From patchwork Mon May 8 13:10:39 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Arslanbenzer, Zeynep" X-Patchwork-Id: 680153 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 69A98C7EE22 for ; Mon, 8 May 2023 13:16:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233699AbjEHNQD (ORCPT ); Mon, 8 May 2023 09:16:03 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33346 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234124AbjEHNP4 (ORCPT ); Mon, 8 May 2023 09:15:56 -0400 Received: from mx0a-00128a01.pphosted.com (mx0a-00128a01.pphosted.com [148.163.135.77]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AF5182FA3E; Mon, 8 May 2023 06:15:54 -0700 (PDT) Received: from pps.filterd (m0167089.ppops.net [127.0.0.1]) by mx0a-00128a01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 3489YdRE003696; Mon, 8 May 2023 09:15:50 -0400 Received: from nwd2mta4.analog.com ([137.71.173.58]) by mx0a-00128a01.pphosted.com (PPS) with ESMTPS id 3qdkt9b8d4-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 08 May 2023 09:15:50 -0400 Received: from ASHBMBX8.ad.analog.com (ASHBMBX8.ad.analog.com [10.64.17.5]) by nwd2mta4.analog.com (8.14.7/8.14.7) with ESMTP id 348DFn0Z053402 (version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Mon, 8 May 2023 09:15:49 -0400 Received: from ASHBMBX9.ad.analog.com (10.64.17.10) by ASHBMBX8.ad.analog.com (10.64.17.5) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.14; Mon, 8 May 2023 09:15:48 -0400 Received: from zeus.spd.analog.com (10.66.68.11) by ashbmbx9.ad.analog.com (10.64.17.10) with Microsoft SMTP Server id 15.2.986.14 via Frontend Transport; Mon, 8 May 2023 09:15:48 -0400 Received: from IST-LT-42339.ad.analog.com ([10.158.19.231]) by zeus.spd.analog.com (8.15.1/8.15.1) with ESMTP id 348DBdTK009014; Mon, 8 May 2023 09:15:37 -0400 From: Zeynep Arslanbenzer To: , , , , , CC: , , , , Nurettin Bolucu Subject: [PATCH v3 1/7] regulator: max77658: Add ADI MAX77643/54/58/59 Regulator Support Date: Mon, 8 May 2023 16:10:39 +0300 Message-ID: <20230508131045.9399-2-Zeynep.Arslanbenzer@analog.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230508131045.9399-1-Zeynep.Arslanbenzer@analog.com> References: <20230508131045.9399-1-Zeynep.Arslanbenzer@analog.com> MIME-Version: 1.0 X-ADIRuleOP-NewSCL: Rule Triggered X-Proofpoint-GUID: 05JPMQVkTBXiXtcXqht1i4_H5FQhTLy6 X-Proofpoint-ORIG-GUID: 05JPMQVkTBXiXtcXqht1i4_H5FQhTLy6 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.942,Hydra:6.0.573,FMLib:17.11.170.22 definitions=2023-05-08_09,2023-05-05_01,2023-02-09_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 phishscore=0 adultscore=0 mlxlogscore=999 mlxscore=0 priorityscore=1501 lowpriorityscore=0 malwarescore=0 bulkscore=0 clxscore=1015 impostorscore=0 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2303200000 definitions=main-2305080089 Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org Regulator driver for ADI MAX77643/54/58/59. MAX77643/MAX77659 has 1 LDO regulator. MAX77654/MAX77658 has two LDO regulators. Signed-off-by: Nurettin Bolucu Signed-off-by: Zeynep Arslanbenzer --- drivers/regulator/Kconfig | 8 ++ drivers/regulator/Makefile | 1 + drivers/regulator/max77658-regulator.c | 170 +++++++++++++++++++++++++ 3 files changed, 179 insertions(+) create mode 100644 drivers/regulator/max77658-regulator.c diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig index 820c9a0788e5..aba32f8be1a5 100644 --- a/drivers/regulator/Kconfig +++ b/drivers/regulator/Kconfig @@ -573,6 +573,14 @@ config REGULATOR_MAX77650 Semiconductor. This device has a SIMO with three independent power rails and an LDO. +config REGULATOR_MAX77658 + tristate "Analog Devices MAX77643/54/58/59 Regulator" + depends on MFD_MAX77658 + help + Regulator driver for MAX77643/54/58/59 PMIC from Analog Devices. + This driver supports LDO regulators. + Say Y here to enable the regulator driver. + config REGULATOR_MAX8649 tristate "Maxim 8649 voltage regulator" depends on I2C diff --git a/drivers/regulator/Makefile b/drivers/regulator/Makefile index b9f5eb35bf5f..14b5f9fd75bf 100644 --- a/drivers/regulator/Makefile +++ b/drivers/regulator/Makefile @@ -70,6 +70,7 @@ obj-$(CONFIG_REGULATOR_MAX1586) += max1586.o obj-$(CONFIG_REGULATOR_MAX597X) += max597x-regulator.o obj-$(CONFIG_REGULATOR_MAX77620) += max77620-regulator.o obj-$(CONFIG_REGULATOR_MAX77650) += max77650-regulator.o +obj-$(CONFIG_REGULATOR_MAX77658) += max77658-regulator.o obj-$(CONFIG_REGULATOR_MAX8649) += max8649.o obj-$(CONFIG_REGULATOR_MAX8660) += max8660.o obj-$(CONFIG_REGULATOR_MAX8893) += max8893.o diff --git a/drivers/regulator/max77658-regulator.c b/drivers/regulator/max77658-regulator.c new file mode 100644 index 000000000000..f8a98c79d5f0 --- /dev/null +++ b/drivers/regulator/max77658-regulator.c @@ -0,0 +1,170 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Copyright (c) 2023 Analog Devices, Inc. + * ADI regulator driver for the MAX77643/54/58/59 + */ + +#include +#include +#include +#include +#include + +#define MAX77658_REG_MAX 2 +#define MAX77658_LDO_VOLT_REG_MAX 0x7F +#define MAX77658_LDO_VOLT_N_RANGE 0x80 +#define MAX77658_LDO_VOLT_STEP 25000 +#define MAX77658_LDO_VOLT_BASE 500000 +#define MAX77654_LDO_VOLT_BASE 800000 + +#define MAX77658_REG_CNFG_LDO0_A 0x48 +#define MAX77658_REG_CNFG_LDO0_B 0x49 + +#define MAX77654_REG_CNFG_LDO0_A 0x38 +#define MAX77654_REG_CNFG_LDO0_B 0x39 + +#define MAX77658_REG_CNFG_LDO1_A 0x4A +#define MAX77658_REG_CNFG_LDO1_B 0x4B + +#define MAX77654_REG_CNFG_LDO1_A 0x3A +#define MAX77654_REG_CNFG_LDO1_B 0x3B + +#define MAX77658_BITS_CONFIG_LDOX_A_TV_LDO GENMASK(6, 0) +#define MAX77658_BITS_CONFIG_LDOX_B_EN_LDO GENMASK(2, 0) + +/* + * 0.500 to 3.675V (25mV step) + */ +static const struct linear_range MAX77658_LDO_volts[] = { + REGULATOR_LINEAR_RANGE(MAX77658_LDO_VOLT_BASE, 0x00, + MAX77658_LDO_VOLT_REG_MAX, + MAX77658_LDO_VOLT_STEP), +}; + +/* + * 0.800 to 3.975V (25mV step) + */ +static const struct linear_range MAX77654_LDO_volts[] = { + REGULATOR_LINEAR_RANGE(MAX77654_LDO_VOLT_BASE, 0x00, + MAX77658_LDO_VOLT_REG_MAX, + MAX77658_LDO_VOLT_STEP), +}; + +static const struct regulator_ops max77658_LDO_ops = { + .list_voltage = regulator_list_voltage_linear_range, + .map_voltage = regulator_map_voltage_ascend, + .is_enabled = regulator_is_enabled_regmap, + .enable = regulator_enable_regmap, + .disable = regulator_disable_regmap, + .get_voltage_sel = regulator_get_voltage_sel_regmap, + .set_voltage_sel = regulator_set_voltage_sel_regmap, +}; + +#define REGULATOR_DESC_LDO(num, volts, vsel_r, vsel_m, enable_r, enable_m) { \ + .name = "LDO"#num, \ + .id = num, \ + .of_match = of_match_ptr("LDO"#num), \ + .regulators_node = of_match_ptr("regulators"), \ + .ops = &max77658_LDO_ops, \ + .type = REGULATOR_VOLTAGE, \ + .owner = THIS_MODULE, \ + .linear_ranges = volts, \ + .n_linear_ranges = MAX77658_LDO_VOLT_N_RANGE, \ + .vsel_reg = vsel_r, \ + .vsel_mask = vsel_m, \ + .enable_reg = enable_r, \ + .enable_mask = enable_m, \ + .enable_val = 0x06, \ + .disable_val = 0x04, \ +} + +static const struct regulator_desc max77643_ldo_desc[] = { + REGULATOR_DESC_LDO(0, MAX77658_LDO_volts, MAX77654_REG_CNFG_LDO0_A, + MAX77658_BITS_CONFIG_LDOX_A_TV_LDO, + MAX77654_REG_CNFG_LDO0_B, + MAX77658_BITS_CONFIG_LDOX_B_EN_LDO), +}; + +static const struct regulator_desc max77654_ldo_desc[] = { + REGULATOR_DESC_LDO(0, MAX77654_LDO_volts, MAX77654_REG_CNFG_LDO0_A, + MAX77658_BITS_CONFIG_LDOX_A_TV_LDO, + MAX77654_REG_CNFG_LDO0_B, + MAX77658_BITS_CONFIG_LDOX_B_EN_LDO), + REGULATOR_DESC_LDO(1, MAX77654_LDO_volts, MAX77654_REG_CNFG_LDO1_A, + MAX77658_BITS_CONFIG_LDOX_A_TV_LDO, + MAX77654_REG_CNFG_LDO1_B, + MAX77658_BITS_CONFIG_LDOX_B_EN_LDO), +}; + +static const struct regulator_desc max77658_ldo_desc[] = { + REGULATOR_DESC_LDO(0, MAX77658_LDO_volts, MAX77658_REG_CNFG_LDO0_A, + MAX77658_BITS_CONFIG_LDOX_A_TV_LDO, + MAX77658_REG_CNFG_LDO0_B, + MAX77658_BITS_CONFIG_LDOX_B_EN_LDO), + REGULATOR_DESC_LDO(1, MAX77658_LDO_volts, MAX77658_REG_CNFG_LDO1_A, + MAX77658_BITS_CONFIG_LDOX_A_TV_LDO, + MAX77658_REG_CNFG_LDO1_B, + MAX77658_BITS_CONFIG_LDOX_B_EN_LDO), +}; + +static int max77658_regulator_probe(struct platform_device *pdev) +{ + struct max77658_dev *max77658 = dev_get_drvdata(pdev->dev.parent); + const struct regulator_desc *regulators; + struct regulator_config config = {}; + struct regulator_dev *rdev; + int n_regulators = 0; + int i; + + switch (max77658->id) { + case ID_MAX77643: + case ID_MAX77659: + regulators = max77643_ldo_desc; + n_regulators = ARRAY_SIZE(max77643_ldo_desc); + break; + case ID_MAX77654: + regulators = max77654_ldo_desc; + n_regulators = ARRAY_SIZE(max77654_ldo_desc); + break; + case ID_MAX77658: + regulators = max77658_ldo_desc; + n_regulators = ARRAY_SIZE(max77658_ldo_desc); + break; + default: + return -EINVAL; + } + + config.dev = pdev->dev.parent; + + for (i = 0; i < n_regulators; i++) { + rdev = devm_regulator_register(&pdev->dev, ®ulators[i], + &config); + if (IS_ERR(rdev)) { + dev_err(&pdev->dev, "Failed to register %s regulator\n", + regulators[i].name); + return PTR_ERR(rdev); + } + } + + return 0; +} + +static const struct platform_device_id max77658_regulator_id[] = { + { "max77658-regulator" }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(platform, max77658_regulator_id); + +static struct platform_driver max77658_regulator_driver = { + .driver = { + .name = "max77658-regulator", + }, + .probe = max77658_regulator_probe, + .id_table = max77658_regulator_id, +}; + +module_platform_driver(max77658_regulator_driver); + +MODULE_DESCRIPTION("MAX77658 Regulator Driver"); +MODULE_AUTHOR("Nurettin.Bolucu@analog.com, Zeynep.Arslanbenzer@analog.com"); +MODULE_LICENSE("GPL"); From patchwork Mon May 8 13:10:40 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Arslanbenzer, Zeynep" X-Patchwork-Id: 680452 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2EF74C77B7F for ; Mon, 8 May 2023 13:17:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233267AbjEHNRT (ORCPT ); Mon, 8 May 2023 09:17:19 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35240 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232166AbjEHNRS (ORCPT ); Mon, 8 May 2023 09:17:18 -0400 Received: from mx0a-00128a01.pphosted.com (mx0a-00128a01.pphosted.com [148.163.135.77]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 444261248B; Mon, 8 May 2023 06:17:00 -0700 (PDT) Received: from pps.filterd (m0167089.ppops.net [127.0.0.1]) by mx0a-00128a01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 348A9WKT003068; Mon, 8 May 2023 09:16:56 -0400 Received: from nwd2mta3.analog.com ([137.71.173.56]) by mx0a-00128a01.pphosted.com (PPS) with ESMTPS id 3qdkt9b8f5-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 08 May 2023 09:16:56 -0400 Received: from ASHBMBX9.ad.analog.com (ASHBMBX9.ad.analog.com [10.64.17.10]) by nwd2mta3.analog.com (8.14.7/8.14.7) with ESMTP id 348DGtVI020854 (version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Mon, 8 May 2023 09:16:55 -0400 Received: from ASHBMBX9.ad.analog.com (10.64.17.10) by ASHBMBX9.ad.analog.com (10.64.17.10) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.14; Mon, 8 May 2023 09:16:54 -0400 Received: from zeus.spd.analog.com (10.66.68.11) by ashbmbx9.ad.analog.com (10.64.17.10) with Microsoft SMTP Server id 15.2.986.14 via Frontend Transport; Mon, 8 May 2023 09:16:54 -0400 Received: from IST-LT-42339.ad.analog.com ([10.158.19.231]) by zeus.spd.analog.com (8.15.1/8.15.1) with ESMTP id 348DBdTL009014; Mon, 8 May 2023 09:16:42 -0400 From: Zeynep Arslanbenzer To: , , , , , CC: , , , , Nurettin Bolucu Subject: [PATCH v3 2/7] dt-bindings: power: supply: max77658: Add ADI MAX77654/58/59 Charger Date: Mon, 8 May 2023 16:10:40 +0300 Message-ID: <20230508131045.9399-3-Zeynep.Arslanbenzer@analog.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230508131045.9399-1-Zeynep.Arslanbenzer@analog.com> References: <20230508131045.9399-1-Zeynep.Arslanbenzer@analog.com> MIME-Version: 1.0 X-ADIRuleOP-NewSCL: Rule Triggered X-Proofpoint-GUID: LiASkNVV2Wz-5VI9ZaH3p17dv7BtGQsc X-Proofpoint-ORIG-GUID: LiASkNVV2Wz-5VI9ZaH3p17dv7BtGQsc X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.942,Hydra:6.0.573,FMLib:17.11.170.22 definitions=2023-05-08_09,2023-05-05_01,2023-02-09_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 phishscore=0 adultscore=0 mlxlogscore=999 mlxscore=0 priorityscore=1501 lowpriorityscore=0 malwarescore=0 bulkscore=0 clxscore=1015 impostorscore=0 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2303200000 definitions=main-2305080089 Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org Add ADI MAX77654/58/59 power supply devicetree document. Signed-off-by: Nurettin Bolucu Signed-off-by: Zeynep Arslanbenzer --- .../power/supply/adi,max77658-charger.yaml | 53 +++++++++++++++++++ 1 file changed, 53 insertions(+) create mode 100644 Documentation/devicetree/bindings/power/supply/adi,max77658-charger.yaml diff --git a/Documentation/devicetree/bindings/power/supply/adi,max77658-charger.yaml b/Documentation/devicetree/bindings/power/supply/adi,max77658-charger.yaml new file mode 100644 index 000000000000..1b487d82cdbf --- /dev/null +++ b/Documentation/devicetree/bindings/power/supply/adi,max77658-charger.yaml @@ -0,0 +1,53 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/power/supply/adi,max77658-charger.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Battery charger for MAX77658 PMICs family from ADI + +maintainers: + - Nurettin Bolucu + - Zeynep Arslanbenzer + +description: | + This module is part of the MAX77658 MFD device. For more details + see Documentation/devicetree/bindings/mfd/adi,max77658.yaml. + + The charger is represented as a sub-node of the PMIC node on the device tree. + +properties: + compatible: + enum: + - adi,max77654-charger + - adi,max77658-charger + - adi,max77659-charger + + adi,input-current-limit-microamp: + description: Input current limit value. + + monitored-battery: + description: > + This property must be a phandle to a node using the format described + in battery.yaml, with the following properties being required: + - constant-charge-current-max-microamp + +allOf: + - $ref: power-supply.yaml# + - if: + properties: + compatible: + contains: + enum: + - adi,max77659-charger + + then: + properties: + adi,input-current-limit-microamp: false + +required: + - compatible + +additionalProperties: false + +... From patchwork Mon May 8 13:10:41 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Arslanbenzer, Zeynep" X-Patchwork-Id: 680152 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id DB2AFC7EE22 for ; Mon, 8 May 2023 13:17:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233631AbjEHNRo (ORCPT ); Mon, 8 May 2023 09:17:44 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35544 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234049AbjEHNRi (ORCPT ); Mon, 8 May 2023 09:17:38 -0400 Received: from mx0a-00128a01.pphosted.com (mx0a-00128a01.pphosted.com [148.163.135.77]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 004FB1248B; Mon, 8 May 2023 06:17:18 -0700 (PDT) Received: from pps.filterd (m0167088.ppops.net [127.0.0.1]) by mx0a-00128a01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 348C9TC7004293; Mon, 8 May 2023 09:17:14 -0400 Received: from nwd2mta3.analog.com ([137.71.173.56]) by mx0a-00128a01.pphosted.com (PPS) with ESMTPS id 3qf0u68amm-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 08 May 2023 09:17:14 -0400 Received: from ASHBMBX9.ad.analog.com (ASHBMBX9.ad.analog.com [10.64.17.10]) by nwd2mta3.analog.com (8.14.7/8.14.7) with ESMTP id 348DHDh4020890 (version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Mon, 8 May 2023 09:17:13 -0400 Received: from ASHBMBX9.ad.analog.com (10.64.17.10) by ASHBMBX9.ad.analog.com (10.64.17.10) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.14; Mon, 8 May 2023 09:17:12 -0400 Received: from zeus.spd.analog.com (10.66.68.11) by ashbmbx9.ad.analog.com (10.64.17.10) with Microsoft SMTP Server id 15.2.986.14 via Frontend Transport; Mon, 8 May 2023 09:17:11 -0400 Received: from IST-LT-42339.ad.analog.com ([10.158.19.231]) by zeus.spd.analog.com (8.15.1/8.15.1) with ESMTP id 348DBdTM009014; Mon, 8 May 2023 09:17:04 -0400 From: Zeynep Arslanbenzer To: , , , , , CC: , , , , Nurettin Bolucu Subject: [PATCH v3 3/7] power: supply: max77658: Add ADI MAX77654/58/59 Charger Support Date: Mon, 8 May 2023 16:10:41 +0300 Message-ID: <20230508131045.9399-4-Zeynep.Arslanbenzer@analog.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230508131045.9399-1-Zeynep.Arslanbenzer@analog.com> References: <20230508131045.9399-1-Zeynep.Arslanbenzer@analog.com> MIME-Version: 1.0 X-ADIRuleOP-NewSCL: Rule Triggered X-Proofpoint-GUID: KEUSx0NMSu6W5IH5oGkaVohSAu89wPJK X-Proofpoint-ORIG-GUID: KEUSx0NMSu6W5IH5oGkaVohSAu89wPJK X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.942,Hydra:6.0.573,FMLib:17.11.170.22 definitions=2023-05-08_09,2023-05-05_01,2023-02-09_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxscore=0 impostorscore=0 suspectscore=0 malwarescore=0 phishscore=0 mlxlogscore=999 priorityscore=1501 adultscore=0 bulkscore=0 lowpriorityscore=0 clxscore=1015 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2303200000 definitions=main-2305080089 Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org Charger driver for ADI MAX77654/58/59. The MAX77654/58/59 charger is Smart Power Selector Li+/Li-Poly Charger. Signed-off-by: Nurettin Bolucu Signed-off-by: Zeynep Arslanbenzer --- drivers/power/supply/Kconfig | 7 + drivers/power/supply/Makefile | 1 + drivers/power/supply/max77658-charger.c | 844 ++++++++++++++++++++++++ 3 files changed, 852 insertions(+) create mode 100644 drivers/power/supply/max77658-charger.c diff --git a/drivers/power/supply/Kconfig b/drivers/power/supply/Kconfig index 0bbfe6a7ce4d..4b68bbb1e2a8 100644 --- a/drivers/power/supply/Kconfig +++ b/drivers/power/supply/Kconfig @@ -565,6 +565,13 @@ config CHARGER_MAX77650 Say Y to enable support for the battery charger control of MAX77650 PMICs. +config CHARGER_MAX77658 + tristate "Analog Devices MAX77654/58/59 battery charger driver" + depends on MFD_MAX77658 + help + Say Y to enable support for the battery charger control of + MAX77654/58/59 PMIC. + config CHARGER_MAX77693 tristate "Maxim MAX77693 battery charger driver" depends on MFD_MAX77693 diff --git a/drivers/power/supply/Makefile b/drivers/power/supply/Makefile index 0ee8653e882e..af4bd6e5969f 100644 --- a/drivers/power/supply/Makefile +++ b/drivers/power/supply/Makefile @@ -76,6 +76,7 @@ obj-$(CONFIG_CHARGER_LTC4162L) += ltc4162-l-charger.o obj-$(CONFIG_CHARGER_MAX14577) += max14577_charger.o obj-$(CONFIG_CHARGER_DETECTOR_MAX14656) += max14656_charger_detector.o obj-$(CONFIG_CHARGER_MAX77650) += max77650-charger.o +obj-$(CONFIG_CHARGER_MAX77658) += max77658-charger.o obj-$(CONFIG_CHARGER_MAX77693) += max77693_charger.o obj-$(CONFIG_CHARGER_MAX77976) += max77976_charger.o obj-$(CONFIG_CHARGER_MAX8997) += max8997_charger.o diff --git a/drivers/power/supply/max77658-charger.c b/drivers/power/supply/max77658-charger.c new file mode 100644 index 000000000000..de37ebd1a756 --- /dev/null +++ b/drivers/power/supply/max77658-charger.c @@ -0,0 +1,844 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Copyright (c) 2023 Analog Devices, Inc. + * ADI charger driver for the MAX77654/58/59 + */ + +#include +#include +#include +#include +#include +#include +#include +#include + +#define MAX77659_CHG_IRQ_MAX 5 + +/* Default value for fast charge timer, in hours */ +#define MAX77658_FAST_CHG_TIMER_DEFAULT 5 +/* Default value for topoff timer, in minutes */ +#define MAX77658_TOPOFF_TIMER_DEFAULT 30 + +#define MAX77658_CHARGER_CURRENT_MAX 300000 +#define MAX77658_CHARGER_CURRENT_MIN 7500 +#define MAX77658_CHARGER_CURRENT_STEP 7500 +#define MAX77658_CNFG_B_ICHGIN_LIM_MAX 475000 +#define MAX77658_CNFG_B_ICHGIN_LIM_MIN 95000 +#define MAX77658_CNFG_B_ICHGIN_LIM_STEP 95000 +#define MAX77658_CNFG_B_ICHGIN_LIM_REG_MAX 4 +#define MAX77658_TOPOFF_TIMER_STEP 5 + +#define MAX77658_REG_STAT_CHG_A 0x02 +#define MAX77658_REG_STAT_CHG_B 0x03 +#define MAX77658_REG_CNFG_CHG_A 0x20 +#define MAX77658_REG_CNFG_CHG_B 0x21 +#define MAX77658_REG_CNFG_CHG_C 0x22 +#define MAX77658_REG_CNFG_CHG_D 0x23 +#define MAX77658_REG_CNFG_CHG_E 0x24 +#define MAX77658_REG_CNFG_CHG_F 0x25 +#define MAX77658_REG_CNFG_CHG_G 0x26 +#define MAX77658_REG_CNFG_CHG_H 0x27 +#define MAX77658_REG_CNFG_CHG_I 0x28 + +#define MAX77658_BIT_STAT_A_THM_DTLS GENMASK(2, 0) +#define MAX77658_BIT_STAT_A_TJ_REG_STAT BIT(3) +#define MAX77658_BIT_STAT_A_VSYSY_MIN_STAT BIT(4) +#define MAX77658_BIT_STAT_A_ICHGIN_LIM_STAT BIT(5) +#define MAX77658_BIT_STAT_A_VCHGIN_MIN_STAT BIT(6) +#define MAX77658_BIT_STAT_B_CHG BIT(1) +#define MAX77658_BIT_STAT_B_CHGIN_DTSL GENMASK(3, 2) +#define MAX77658_BIT_STAT_B_CHG_DTLS GENMASK(7, 4) +#define MAX77658_BIT_CNFG_B_CHG_EN BIT(0) +#define MAX77658_BIT_CNFG_B_ICHGIN_LIM GENMASK(4, 2) +#define MAX77658_BIT_CNFG_C_TOPOFFTIMER GENMASK(2, 0) +#define MAX77658_BIT_CNFG_E_TFASTCHG GENMASK(1, 0) +#define MAX77658_BIT_CNFG_E_CC GENMASK(7, 2) +#define MAX77658_BIT_CNFG_G_CHG_CV GENMASK(7, 2) + +enum { + MAX77658_CHG_DTLS_OFF, + MAX77658_CHG_DTLS_PREQUAL, + MAX77658_CHG_DTLS_FASTCHARGE_CC, + MAX77658_CHG_DTLS_JEITA_FASTCHARGE_CC, + MAX77658_CHG_DTLS_FASTCHARGE_CV, + MAX77658_CHG_DTLS_JEITA_FASTCHARGE_CV, + MAX77658_CHG_DTLS_TOPOFF, + MAX77658_CHG_DTLS_JEITA_TOPOFF, + MAX77658_CHG_DTLS_DONE, + MAX77658_CHG_DTLS_JEITA_DONE, + MAX77658_CHG_DTLS_OFF_TIMER_FAULT, + MAX77658_CHG_DTLS_OFF_CHARGE_TIMER_FAULT, + MAX77658_CHG_DTLS_OFF_BATTERY_TEMP_FAULT, + MAX77658_CHG_DTLS_RESERVED_13, +}; + +enum { + MAX77658_CHG_IRQ_THM_I, + MAX77658_CHG_IRQ_CHG_I, + MAX77658_CHG_IRQ_CHGIN_I, + MAX77658_CHG_IRQ_TJ_REG_I, + MAX77658_CHG_IRQ_SYS_CTRL_I, + MAX77658_CHG_IRQ_CHGIN_CTRL_I, + MAX77658_CHG_IRQ_SYS_CNFG_I, + MAX77658_CHG_IRQ_MAX, +}; + +struct max77658_charger { + struct device *dev; + struct max77658_dev *max77658; + struct regmap *regmap; + + struct power_supply *psy_chg; + struct power_supply_desc psy_chg_d; + + int irq; + int irq_arr[MAX77658_CHG_IRQ_MAX]; + int irq_mask; + + struct delayed_work irq_work; + + int present; + int health; + int status; + int charge_type; + + unsigned int fast_charge_current_ua; + unsigned int input_current_limit_ua; +}; + +static int max77658_set_input_current_limit(struct max77658_charger *charger, + int input_current) +{ + u8 reg_data = 0; + + input_current = clamp_val(input_current, MAX77658_CNFG_B_ICHGIN_LIM_MIN, + MAX77658_CNFG_B_ICHGIN_LIM_MAX); + if (charger->max77658->id == ID_MAX77658) { + reg_data = MAX77658_CNFG_B_ICHGIN_LIM_REG_MAX + 1 + - DIV_ROUND_UP(input_current, + MAX77658_CNFG_B_ICHGIN_LIM_STEP); + } else { + reg_data = DIV_ROUND_UP(input_current, + MAX77658_CNFG_B_ICHGIN_LIM_STEP) - 1; + } + + reg_data = FIELD_PREP(MAX77658_BIT_CNFG_B_ICHGIN_LIM, reg_data); + return regmap_update_bits(charger->regmap, MAX77658_REG_CNFG_CHG_B, + MAX77658_BIT_CNFG_B_ICHGIN_LIM, reg_data); +} + +static int max77658_get_input_current_limit(struct max77658_charger *charger, + int *get_current) +{ + unsigned int reg_data = 0; + int ret; + + ret = regmap_read(charger->regmap, MAX77658_REG_CNFG_CHG_B, ®_data); + if (ret) + return ret; + + reg_data = FIELD_GET(MAX77658_BIT_CNFG_B_ICHGIN_LIM, reg_data); + + if (charger->max77658->id == ID_MAX77658) { + *get_current = (MAX77658_CNFG_B_ICHGIN_LIM_REG_MAX + 1 + - reg_data) * MAX77658_CNFG_B_ICHGIN_LIM_STEP; + } else { + *get_current = (reg_data + 1) * MAX77658_CNFG_B_ICHGIN_LIM_STEP; + } + + return 0; +} + +static int max77658_set_charge_current(struct max77658_charger *charger, + int fast_charge_current_ua) +{ + unsigned int reg_data; + + fast_charge_current_ua = clamp_val(fast_charge_current_ua, + MAX77658_CHARGER_CURRENT_MIN, + MAX77658_CHARGER_CURRENT_MAX); + reg_data = fast_charge_current_ua / MAX77658_CHARGER_CURRENT_STEP - 1; + reg_data = FIELD_PREP(MAX77658_BIT_CNFG_E_CC, reg_data); + + return regmap_update_bits(charger->regmap, MAX77658_REG_CNFG_CHG_E, + MAX77658_BIT_CNFG_E_CC, reg_data); +} + +static int max77658_get_charge_current(struct max77658_charger *charger, + int *get_current) +{ + unsigned int reg_data, current_val; + int ret; + + ret = regmap_read(charger->regmap, MAX77658_REG_CNFG_CHG_E, ®_data); + if (ret) + return ret; + + reg_data = FIELD_GET(MAX77658_BIT_CNFG_E_CC, reg_data); + current_val = (reg_data + 1) * MAX77658_CHARGER_CURRENT_STEP; + + *get_current = clamp_val(current_val, MAX77658_CHARGER_CURRENT_MIN, + MAX77658_CHARGER_CURRENT_MAX); + + return 0; +} + +static ssize_t max77658_device_attr_store(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count, + int (*fn)(struct max77658_charger *, + unsigned long)) +{ + struct max77658_charger *charger = dev_get_drvdata(dev); + unsigned long val; + int ret; + + ret = kstrtoul(buf, 10, &val); + if (ret) + return ret; + + ret = fn(charger, val); + if (ret) + return ret; + + return count; +} + +static int max77658_set_topoff_timer(struct max77658_charger *charger, + unsigned long minutes) +{ + unsigned int reg_data; + + minutes = clamp_val(minutes, 0, MAX77658_BIT_CNFG_C_TOPOFFTIMER + * MAX77658_TOPOFF_TIMER_STEP); + reg_data = FIELD_PREP(MAX77658_BIT_CNFG_C_TOPOFFTIMER, + minutes / MAX77658_TOPOFF_TIMER_STEP); + + return regmap_update_bits(charger->regmap, MAX77658_REG_CNFG_CHG_C, + MAX77658_BIT_CNFG_C_TOPOFFTIMER, reg_data); +} + +static ssize_t topoff_timer_store(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + return max77658_device_attr_store(dev, attr, buf, count, + max77658_set_topoff_timer); +} + +static ssize_t topoff_timer_show(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct max77658_charger *charger = dev_get_drvdata(dev); + unsigned int reg_data, minutes; + int ret; + + ret = regmap_read(charger->regmap, MAX77658_REG_CNFG_CHG_C, + ®_data); + if (ret) + return ret; + + minutes = FIELD_GET(MAX77658_BIT_STAT_A_THM_DTLS, reg_data) + * MAX77658_TOPOFF_TIMER_STEP; + + return scnprintf(buf, PAGE_SIZE, "%u\n", minutes); +} + +static int max77658_set_fast_charge_timer(struct max77658_charger *charger, + unsigned long hours) +{ + unsigned int val; + + if (hours == 0 || hours > 7) + val = 0x00; + else if (hours < 3) + val = 0x01; + else + val = DIV_ROUND_UP(hours - 1, 2); + + return regmap_update_bits(charger->regmap, MAX77658_REG_CNFG_CHG_E, + MAX77658_BIT_CNFG_E_TFASTCHG, val); +} + +static ssize_t fast_charge_timer_store(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + return max77658_device_attr_store(dev, attr, buf, count, + max77658_set_fast_charge_timer); +} + +static ssize_t fast_charge_timer_show(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct max77658_charger *charger = dev_get_drvdata(dev); + unsigned int reg_data, hours; + int ret; + + ret = regmap_read(charger->regmap, MAX77658_REG_CNFG_CHG_E, + ®_data); + if (ret) + return ret; + + reg_data = FIELD_GET(MAX77658_BIT_CNFG_E_TFASTCHG, reg_data); + + if (reg_data == 0) + hours = 0; + else + hours = reg_data * 2 + 1; + + return scnprintf(buf, PAGE_SIZE, "%u\n", hours); +} + +static DEVICE_ATTR_RW(fast_charge_timer); +static DEVICE_ATTR_RW(topoff_timer); + +static int max77658_charger_initialize(struct max77658_charger *charger) +{ + int ret; + + ret = max77658_set_charge_current(charger, + charger->fast_charge_current_ua); + if (ret) + return dev_err_probe(charger->dev, ret, + "Error in writing register CNFG_CHG_C\n"); + + ret = max77658_set_fast_charge_timer(charger, + MAX77658_FAST_CHG_TIMER_DEFAULT); + if (ret) + return dev_err_probe(charger->dev, ret, + "Error in writing register CNFG_CHG_E\n"); + + ret = max77658_set_topoff_timer(charger, MAX77658_TOPOFF_TIMER_DEFAULT); + if (ret) + return dev_err_probe(charger->dev, ret, + "Error in writing register CNFG_CHG_C\n"); + + if (charger->max77658->id == ID_MAX77659) + return 0; + + return max77658_set_input_current_limit(charger, + charger->input_current_limit_ua); +} + +static void max77658_charger_parse_dt(struct max77658_charger *charger) +{ + int ret; + + ret = device_property_read_u32(charger->dev, + "adi,input-current-limit-microamp", + &charger->input_current_limit_ua); + if (ret) { + dev_dbg(charger->dev, + "Could not read input-current-limit DT property\n"); + charger->input_current_limit_ua = 475000; + } +} + +struct max77658_charger_status_map { + int health; + int status; + int charge_type; +}; + +#define STATUS_MAP(_MAX77658_CHG_DTLS, _health, _status, _charge_type) \ + [MAX77658_CHG_DTLS_##_MAX77658_CHG_DTLS] = {\ + .health = POWER_SUPPLY_HEALTH_##_health,\ + .status = POWER_SUPPLY_STATUS_##_status,\ + .charge_type = POWER_SUPPLY_CHARGE_TYPE_##_charge_type,\ + } + +static struct max77658_charger_status_map max77658_charger_status_map[] = { + /* chg_details_xx, health, status, charge_type */ + STATUS_MAP(OFF, UNKNOWN, NOT_CHARGING, NONE), + STATUS_MAP(PREQUAL, GOOD, CHARGING, TRICKLE), + STATUS_MAP(FASTCHARGE_CC, GOOD, CHARGING, FAST), + STATUS_MAP(JEITA_FASTCHARGE_CC, GOOD, CHARGING, FAST), + STATUS_MAP(FASTCHARGE_CV, GOOD, CHARGING, FAST), + STATUS_MAP(JEITA_FASTCHARGE_CV, GOOD, CHARGING, FAST), + STATUS_MAP(TOPOFF, GOOD, CHARGING, FAST), + STATUS_MAP(JEITA_TOPOFF, GOOD, CHARGING, FAST), + STATUS_MAP(DONE, GOOD, FULL, NONE), + STATUS_MAP(JEITA_DONE, GOOD, FULL, NONE), + STATUS_MAP(OFF_TIMER_FAULT, SAFETY_TIMER_EXPIRE, NOT_CHARGING, NONE), + STATUS_MAP(OFF_CHARGE_TIMER_FAULT, UNKNOWN, NOT_CHARGING, NONE), + STATUS_MAP(OFF_BATTERY_TEMP_FAULT, HOT, NOT_CHARGING, NONE), +}; + +static int max77658_charger_update(struct max77658_charger *charger) +{ + unsigned int stat_chg_b, chg_dtls; + int ret; + + ret = regmap_read(charger->regmap, MAX77658_REG_STAT_CHG_B, + &stat_chg_b); + if (ret) { + charger->health = POWER_SUPPLY_HEALTH_UNKNOWN; + charger->status = POWER_SUPPLY_STATUS_UNKNOWN; + charger->charge_type = POWER_SUPPLY_CHARGE_TYPE_UNKNOWN; + return ret; + } + + charger->present = stat_chg_b & MAX77658_BIT_STAT_B_CHG; + if (!charger->present) { + charger->health = POWER_SUPPLY_HEALTH_UNKNOWN; + charger->status = POWER_SUPPLY_STATUS_DISCHARGING; + charger->charge_type = POWER_SUPPLY_CHARGE_TYPE_UNKNOWN; + return 0; + } + + chg_dtls = FIELD_GET(MAX77658_BIT_STAT_B_CHG_DTLS, stat_chg_b); + + charger->health = max77658_charger_status_map[chg_dtls].health; + charger->status = max77658_charger_status_map[chg_dtls].status; + charger->charge_type = + max77658_charger_status_map[chg_dtls].charge_type; + + return 0; +} + +static enum power_supply_property max77658_charger_props[] = { + POWER_SUPPLY_PROP_ONLINE, + POWER_SUPPLY_PROP_HEALTH, + POWER_SUPPLY_PROP_STATUS, + POWER_SUPPLY_PROP_CHARGE_TYPE, + POWER_SUPPLY_PROP_CURRENT_NOW, + POWER_SUPPLY_PROP_CURRENT_MAX +}; + +static enum power_supply_property max77659_charger_props[] = { + POWER_SUPPLY_PROP_ONLINE, + POWER_SUPPLY_PROP_HEALTH, + POWER_SUPPLY_PROP_STATUS, + POWER_SUPPLY_PROP_CHARGE_TYPE, + POWER_SUPPLY_PROP_CURRENT_NOW +}; + +static int max77658_property_is_writeable(struct power_supply *psy, + enum power_supply_property psp) +{ + switch (psp) { + case POWER_SUPPLY_PROP_ONLINE: + case POWER_SUPPLY_PROP_CURRENT_NOW: + case POWER_SUPPLY_PROP_CURRENT_MAX: + return 1; + default: + return 0; + } +} + +static int max77659_property_is_writeable(struct power_supply *psy, + enum power_supply_property psp) +{ + switch (psp) { + case POWER_SUPPLY_PROP_ONLINE: + case POWER_SUPPLY_PROP_CURRENT_NOW: + return 1; + default: + return 0; + } +} + +static int max77658_charger_get_property(struct power_supply *psy, + enum power_supply_property psp, + union power_supply_propval *val) +{ + struct max77658_charger *charger = power_supply_get_drvdata(psy); + int ret; + + ret = max77658_charger_update(charger); + if (ret) + return ret; + + switch (psp) { + case POWER_SUPPLY_PROP_ONLINE: + val->intval = charger->present; + break; + case POWER_SUPPLY_PROP_HEALTH: + val->intval = charger->health; + break; + case POWER_SUPPLY_PROP_STATUS: + val->intval = charger->status; + break; + case POWER_SUPPLY_PROP_CHARGE_TYPE: + val->intval = charger->charge_type; + break; + case POWER_SUPPLY_PROP_CURRENT_NOW: + ret = max77658_get_charge_current(charger, &val->intval); + break; + case POWER_SUPPLY_PROP_CURRENT_MAX: + if (charger->max77658->id != ID_MAX77659) { + ret = max77658_get_input_current_limit(charger, + &val->intval); + } else { + ret = -EINVAL; + } + break; + default: + ret = -EINVAL; + break; + } + + return ret; +} + +static int max77658_charger_set_property(struct power_supply *psy, + enum power_supply_property psp, + const union power_supply_propval *val) +{ + struct max77658_charger *charger = power_supply_get_drvdata(psy); + int ret; + + switch (psp) { + case POWER_SUPPLY_PROP_ONLINE: + ret = regmap_update_bits(charger->regmap, + MAX77658_REG_CNFG_CHG_B, + MAX77658_BIT_CNFG_B_CHG_EN, + !!val->intval); + if (ret) + return ret; + + ret = + max77658_set_charge_current(charger, + charger->fast_charge_current_ua); + break; + case POWER_SUPPLY_PROP_CURRENT_NOW: + /* val->intval - uA */ + ret = max77658_set_charge_current(charger, val->intval); + if (ret) + return ret; + + charger->fast_charge_current_ua = val->intval; + break; + case POWER_SUPPLY_PROP_CURRENT_MAX: + if (charger->max77658->id == ID_MAX77659) { + ret = -EINVAL; + break; + } + ret = max77658_set_input_current_limit(charger, val->intval); + if (ret) + return ret; + + charger->input_current_limit_ua = val->intval; + break; + default: + ret = -EINVAL; + break; + } + + return ret; +} + +static void max77658_charger_irq_handler(struct max77658_charger *charger, + int irq) +{ + int chg_present, vchgin, ichgin; + unsigned int val, stat_chg_b; + int ret; + + switch (irq) { + case MAX77658_CHG_IRQ_THM_I: + ret = regmap_read(charger->regmap, MAX77658_REG_STAT_CHG_A, + &val); + if (ret) { + dev_err(charger->dev, "Failed to read STAT_CHG_A\n"); + return; + } + + val = FIELD_GET(MAX77658_BIT_STAT_A_THM_DTLS, val); + dev_dbg(charger->dev, "CHG_INT_THM: thm_dtls = %02Xh\n", val); + break; + + case MAX77658_CHG_IRQ_CHG_I: + ret = regmap_read(charger->regmap, MAX77658_REG_STAT_CHG_B, + &val); + if (ret) { + dev_err(charger->dev, "Failed to read STAT_CHG_B\n"); + return; + } + + val = FIELD_GET(MAX77658_BIT_STAT_B_CHG_DTLS, val); + dev_dbg(charger->dev, + "CHG_INT_CHG: MAX77658_CHG_DTLS = %02Xh\n", val); + break; + + case MAX77658_CHG_IRQ_CHGIN_I: + ret = regmap_read(charger->regmap, + MAX77658_REG_STAT_CHG_B, &val); + if (ret) { + dev_err(charger->dev, "Failed to read STAT_CHG_B\n"); + return; + } + + val = FIELD_GET(MAX77658_BIT_STAT_B_CHG_DTLS, val); + dev_dbg(charger->dev, + "CHG_INT_CHG: MAX77658_CHG_DTLS = %02Xh\n", val); + + ret = regmap_read(charger->regmap, MAX77658_REG_STAT_CHG_B, + &stat_chg_b); + if (ret) { + dev_err(charger->dev, "Failed to read STAT_CHG_B\n"); + return; + } + + chg_present = stat_chg_b & MAX77658_BIT_STAT_B_CHG; + + regmap_update_bits(charger->regmap, MAX77658_REG_CNFG_CHG_B, + MAX77658_BIT_CNFG_B_CHG_EN, !!chg_present); + if (chg_present) + break; + + max77658_set_charge_current(charger, + charger->fast_charge_current_ua); + break; + + case MAX77658_CHG_IRQ_TJ_REG_I: + ret = regmap_read(charger->regmap, MAX77658_REG_STAT_CHG_A, + &val); + if (ret) { + dev_err(charger->dev, "Failed to read STAT_CHG_A\n"); + return; + } + + val = FIELD_GET(MAX77658_BIT_STAT_A_TJ_REG_STAT, val); + dev_dbg(charger->dev, + "CHG_INT_TJ_REG: tj_reg_stat = %02Xh\n", val); + dev_dbg(charger->dev, + "CHG_INT_TJ_REG: Die temperature %s Tj-reg\n", + val ? "has exceeded" : "has not exceeded"); + break; + + case MAX77658_CHG_IRQ_SYS_CTRL_I: + ret = regmap_read(charger->regmap, MAX77658_REG_STAT_CHG_A, + &val); + if (ret) { + dev_err(charger->dev, "Failed to read STAT_CHG_A\n"); + return; + } + + val = FIELD_GET(MAX77658_BIT_STAT_A_VSYSY_MIN_STAT, val); + dev_dbg(charger->dev, + "CHG_INT_SYS_CTRL: The minimum system voltage regulation loop %s\n", + val ? "has engaged" : "has not engaged"); + break; + + case MAX77658_CHG_IRQ_CHGIN_CTRL_I: + ret = regmap_read(charger->regmap, MAX77658_REG_STAT_CHG_A, + &val); + if (ret) { + dev_dbg(charger->dev, "Failed to read STAT_CHG_A\n"); + return; + } + + vchgin = FIELD_GET(MAX77658_BIT_STAT_A_VCHGIN_MIN_STAT, val); + dev_dbg(charger->dev, "CHG_INT_CHGIN: VCHGIN_MIN_STAT %s\n", + vchgin ? "has changed" : "has not changed"); + + ichgin = FIELD_GET(MAX77658_BIT_STAT_A_ICHGIN_LIM_STAT, val); + dev_dbg(charger->dev, "CHG_INT_CHGIN: ICHGIN_LIM_STAT %s\n", + ichgin ? "has changed" : "has not changed"); + break; + + case MAX77658_CHG_IRQ_SYS_CNFG_I: + ret = regmap_read(charger->regmap, MAX77658_REG_CNFG_CHG_G, + &val); + if (ret) { + dev_dbg(charger->dev, "Failed to read CNFG_CHG_G\n"); + return; + } + + val = FIELD_GET(MAX77658_BIT_CNFG_G_CHG_CV, val); + dev_dbg(charger->dev, "CHG_INT_SYS_CNFG: CHG_VC = %02Xh\n", + val); + break; + + default: + break; + } + + power_supply_changed(charger->psy_chg); +} + +static irqreturn_t max77658_charger_isr(int irq, void *data) +{ + struct max77658_charger *charger = data; + + charger->irq = irq; + max77658_charger_update(charger); + max77658_charger_irq_handler(charger, + charger->irq - charger->irq_arr[0]); + + return IRQ_HANDLED; +} + +static const char * const max77658_irq_descs[] = { + "charger-thm", + "charger-chg", + "charger-chgin", + "charger-tj-reg", + "charger-sys-ctrl", + "charger-chgin-ctrl", + "charger-sys-cnfg", +}; + +static int max77658_charger_probe(struct platform_device *pdev) +{ + struct max77658_dev *max77658 = dev_get_drvdata(pdev->dev.parent); + struct power_supply_config charger_cfg = {}; + struct power_supply_battery_info *info; + struct max77658_charger *charger; + struct device *dev = &pdev->dev; + int i, n_irq, ret; + + charger = devm_kzalloc(dev, sizeof(*charger), GFP_KERNEL); + if (!charger) + return -ENOMEM; + + platform_set_drvdata(pdev, charger); + + charger->dev = dev; + charger->max77658 = max77658; + charger->regmap = dev_get_regmap(charger->dev->parent, NULL); + + charger->psy_chg_d.get_property = max77658_charger_get_property; + charger->psy_chg_d.set_property = max77658_charger_set_property; + charger->psy_chg_d.type = POWER_SUPPLY_TYPE_USB; + charger_cfg.of_node = dev->of_node; + charger_cfg.drv_data = charger; + + switch (max77658->id) { + case ID_MAX77654: + charger->psy_chg_d.properties = max77658_charger_props; + charger->psy_chg_d.num_properties = + ARRAY_SIZE(max77658_charger_props); + charger->psy_chg_d.name = "max77654-charger"; + charger->psy_chg_d.property_is_writeable = + max77658_property_is_writeable; + n_irq = MAX77658_CHG_IRQ_MAX; + break; + case ID_MAX77658: + charger->psy_chg_d.properties = max77658_charger_props; + charger->psy_chg_d.num_properties = + ARRAY_SIZE(max77658_charger_props); + charger->psy_chg_d.name = "max77658-charger"; + charger->psy_chg_d.property_is_writeable = + max77658_property_is_writeable; + n_irq = MAX77658_CHG_IRQ_MAX; + break; + case ID_MAX77659: + charger->psy_chg_d.properties = max77659_charger_props; + charger->psy_chg_d.num_properties = + ARRAY_SIZE(max77659_charger_props); + charger->psy_chg_d.name = "max77659-charger"; + charger->psy_chg_d.property_is_writeable = + max77659_property_is_writeable; + n_irq = MAX77659_CHG_IRQ_MAX; + break; + default: + return -EINVAL; + } + + charger->psy_chg = devm_power_supply_register(dev, &charger->psy_chg_d, + &charger_cfg); + if (IS_ERR(charger->psy_chg)) + return dev_err_probe(dev, PTR_ERR(charger->psy_chg), + "Failed to register power supply\n"); + + charger->psy_chg->of_node = of_get_child_by_name(dev->parent->of_node, + "charger"); + + if (!charger->psy_chg->of_node) + dev_err(charger->dev, + "of_get_child_by_name\n"); + + ret = power_supply_get_battery_info(charger->psy_chg, &info); + if (ret) { + dev_err(charger->dev, "Unable to get charger info\n"); + charger->fast_charge_current_ua = 15000; + } else { + charger->fast_charge_current_ua = + info->constant_charge_current_max_ua; + } + + if (charger->max77658->id != ID_MAX77659) + max77658_charger_parse_dt(charger); + + ret = max77658_charger_initialize(charger); + if (ret) + return dev_err_probe(dev, ret, + "Failed to initialize charger\n"); + + for (i = 0; i < n_irq; i++) { + charger->irq_arr[i] = + regmap_irq_get_virq(max77658->irqc_chg, i); + + if (charger->irq_arr[i] < 0) + return dev_err_probe(dev, -EINVAL, + "Invalid IRQ for MAX77658_CHG_IRQ %d\n", + i); + + ret = devm_request_threaded_irq(dev, charger->irq_arr[i], + NULL, max77658_charger_isr, + IRQF_TRIGGER_FALLING, + max77658_irq_descs[i], charger); + if (ret) + return dev_err_probe(dev, ret, + "Failed to request irq: %d\n", + charger->irq_arr[i]); + } + + ret = device_create_file(dev, &dev_attr_fast_charge_timer); + if (ret) + return dev_err_probe(dev, ret, + "Failed to create fast charge timer sysfs entry\n"); + + ret = device_create_file(dev, &dev_attr_topoff_timer); + if (ret) + return dev_err_probe(dev, ret, + "Failed to create topoff timer sysfs entry\n"); + + return 0; +} + +static int max77658_charger_remove(struct platform_device *pdev) +{ + device_remove_file(&pdev->dev, &dev_attr_topoff_timer); + device_remove_file(&pdev->dev, &dev_attr_fast_charge_timer); + + return 0; +} + +static const struct of_device_id max77658_charger_of_id[] = { + { .compatible = "adi,max77654-charger" }, + { .compatible = "adi,max77658-charger" }, + { .compatible = "adi,max77659-charger" }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, max77658_charger_of_id); + +static const struct platform_device_id max77658_charger_id[] = { + { "max77654-charger" }, + { "max77658-charger" }, + { "max77659-charger" }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(platform, max77658_charger_id); + +static struct platform_driver max77658_charger_driver = { + .driver = { + .name = "max77658-charger", + .of_match_table = max77658_charger_of_id, + }, + .probe = max77658_charger_probe, + .remove = max77658_charger_remove, + .id_table = max77658_charger_id, +}; + +module_platform_driver(max77658_charger_driver); + +MODULE_DESCRIPTION("MAX77658 Charger Driver"); +MODULE_AUTHOR("Nurettin.Bolucu@analog.com, Zeynep.Arslanbenzer@analog.com"); +MODULE_LICENSE("GPL"); From patchwork Mon May 8 13:10:42 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Arslanbenzer, Zeynep" X-Patchwork-Id: 680451 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 429A5C7EE22 for ; Mon, 8 May 2023 13:17:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233714AbjEHNR5 (ORCPT ); Mon, 8 May 2023 09:17:57 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35790 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234117AbjEHNRo (ORCPT ); Mon, 8 May 2023 09:17:44 -0400 Received: from mx0a-00128a01.pphosted.com (mx0a-00128a01.pphosted.com [148.163.135.77]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3D24A3385B; Mon, 8 May 2023 06:17:33 -0700 (PDT) Received: from pps.filterd (m0167089.ppops.net [127.0.0.1]) by mx0a-00128a01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 3489YdRR003696; Mon, 8 May 2023 09:17:29 -0400 Received: from nwd2mta4.analog.com ([137.71.173.58]) by mx0a-00128a01.pphosted.com (PPS) with ESMTPS id 3qdkt9b8fy-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 08 May 2023 09:17:29 -0400 Received: from ASHBMBX8.ad.analog.com (ASHBMBX8.ad.analog.com [10.64.17.5]) by nwd2mta4.analog.com (8.14.7/8.14.7) with ESMTP id 348DHSEv053535 (version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Mon, 8 May 2023 09:17:28 -0400 Received: from ASHBMBX9.ad.analog.com (10.64.17.10) by ASHBMBX8.ad.analog.com (10.64.17.5) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.14; Mon, 8 May 2023 09:17:27 -0400 Received: from zeus.spd.analog.com (10.66.68.11) by ashbmbx9.ad.analog.com (10.64.17.10) with Microsoft SMTP Server id 15.2.986.14 via Frontend Transport; Mon, 8 May 2023 09:17:26 -0400 Received: from IST-LT-42339.ad.analog.com ([10.158.19.231]) by zeus.spd.analog.com (8.15.1/8.15.1) with ESMTP id 348DBdTN009014; Mon, 8 May 2023 09:17:19 -0400 From: Zeynep Arslanbenzer To: , , , , , CC: , , , , Nurettin Bolucu Subject: [PATCH v3 4/7] dt-bindings: power: supply: max77658: Add ADI MAX77658 Battery Date: Mon, 8 May 2023 16:10:42 +0300 Message-ID: <20230508131045.9399-5-Zeynep.Arslanbenzer@analog.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230508131045.9399-1-Zeynep.Arslanbenzer@analog.com> References: <20230508131045.9399-1-Zeynep.Arslanbenzer@analog.com> MIME-Version: 1.0 X-ADIRuleOP-NewSCL: Rule Triggered X-Proofpoint-GUID: q9sPVxQLpFTuar5azyiU4YiIgiEQJjCb X-Proofpoint-ORIG-GUID: q9sPVxQLpFTuar5azyiU4YiIgiEQJjCb X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.942,Hydra:6.0.573,FMLib:17.11.170.22 definitions=2023-05-08_09,2023-05-05_01,2023-02-09_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 phishscore=0 adultscore=0 mlxlogscore=999 mlxscore=0 priorityscore=1501 lowpriorityscore=0 malwarescore=0 bulkscore=0 clxscore=1015 impostorscore=0 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2303200000 definitions=main-2305080089 Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org Add ADI MAX77658 power supply devicetree document. Signed-off-by: Nurettin Bolucu Signed-off-by: Zeynep Arslanbenzer --- .../power/supply/adi,max77658-battery.yaml | 47 +++++++++++++++++++ 1 file changed, 47 insertions(+) create mode 100644 Documentation/devicetree/bindings/power/supply/adi,max77658-battery.yaml diff --git a/Documentation/devicetree/bindings/power/supply/adi,max77658-battery.yaml b/Documentation/devicetree/bindings/power/supply/adi,max77658-battery.yaml new file mode 100644 index 000000000000..112296d2b1f4 --- /dev/null +++ b/Documentation/devicetree/bindings/power/supply/adi,max77658-battery.yaml @@ -0,0 +1,47 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/power/supply/adi,max77658-battery.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Battery for MAX77658 PMICs family from ADI + +maintainers: + - Nurettin Bolucu + - Zeynep Arslanbenzer + +description: | + This module is part of the MAX77658 MFD device. For more details + see Documentation/devicetree/bindings/mfd/adi,max77658.yaml. + + The fuel gauge is represented as a sub-node of the PMIC node on the device tree. + +properties: + compatible: + const: adi,max77658-battery + + adi,valrt-min-microvolt: + description: alert when battery voltage is lower than this value + + adi,valrt-max-microvolt: + description: alert when battery voltage is higher than this value + + adi,ialrt-min-microamp: + description: alert when battery current is lower than this value + + adi,ialrt-max-microamp: + description: alert when battery current is higher than this value + + monitored-battery: + description: > + This property must be a phandle to a node using the format described + in battery.yaml, with the following properties being required: + - alert-celsius + +required: + - compatible + - monitored-battery + +additionalProperties: false + +... From patchwork Mon May 8 13:10:43 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Arslanbenzer, Zeynep" X-Patchwork-Id: 680151 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3B0B2C7EE22 for ; Mon, 8 May 2023 13:18:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234092AbjEHNSW (ORCPT ); Mon, 8 May 2023 09:18:22 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36404 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232429AbjEHNSF (ORCPT ); Mon, 8 May 2023 09:18:05 -0400 Received: from mx0a-00128a01.pphosted.com (mx0a-00128a01.pphosted.com [148.163.135.77]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 18FB933853; Mon, 8 May 2023 06:17:46 -0700 (PDT) Received: from pps.filterd (m0167088.ppops.net [127.0.0.1]) by mx0a-00128a01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 348C9OHl004263; Mon, 8 May 2023 09:17:41 -0400 Received: from nwd2mta3.analog.com ([137.71.173.56]) by mx0a-00128a01.pphosted.com (PPS) with ESMTPS id 3qf0u68an5-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 08 May 2023 09:17:41 -0400 Received: from ASHBMBX9.ad.analog.com (ASHBMBX9.ad.analog.com [10.64.17.10]) by nwd2mta3.analog.com (8.14.7/8.14.7) with ESMTP id 348DHe8c020935 (version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Mon, 8 May 2023 09:17:40 -0400 Received: from ASHBCASHYB4.ad.analog.com (10.64.17.132) by ASHBMBX9.ad.analog.com (10.64.17.10) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.14; Mon, 8 May 2023 09:17:39 -0400 Received: from ASHBMBX9.ad.analog.com (10.64.17.10) by ASHBCASHYB4.ad.analog.com (10.64.17.132) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.14; Mon, 8 May 2023 09:17:39 -0400 Received: from zeus.spd.analog.com (10.66.68.11) by ashbmbx9.ad.analog.com (10.64.17.10) with Microsoft SMTP Server id 15.2.986.14 via Frontend Transport; Mon, 8 May 2023 09:17:39 -0400 Received: from IST-LT-42339.ad.analog.com ([10.158.19.231]) by zeus.spd.analog.com (8.15.1/8.15.1) with ESMTP id 348DBdTO009014; Mon, 8 May 2023 09:17:30 -0400 From: Zeynep Arslanbenzer To: , , , , , CC: , , , , Nurettin Bolucu Subject: [PATCH v3 5/7] power: supply: max77658: Add ADI MAX77658 Battery Support Date: Mon, 8 May 2023 16:10:43 +0300 Message-ID: <20230508131045.9399-6-Zeynep.Arslanbenzer@analog.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230508131045.9399-1-Zeynep.Arslanbenzer@analog.com> References: <20230508131045.9399-1-Zeynep.Arslanbenzer@analog.com> MIME-Version: 1.0 X-ADIRuleOP-NewSCL: Rule Triggered X-Proofpoint-GUID: lbA-qnMhFdrZbzO01lJxC1Hs0yOs4kRx X-Proofpoint-ORIG-GUID: lbA-qnMhFdrZbzO01lJxC1Hs0yOs4kRx X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.942,Hydra:6.0.573,FMLib:17.11.170.22 definitions=2023-05-08_09,2023-05-05_01,2023-02-09_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxscore=0 impostorscore=0 suspectscore=0 malwarescore=0 phishscore=0 mlxlogscore=999 priorityscore=1501 adultscore=0 bulkscore=0 lowpriorityscore=0 clxscore=1015 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2303200000 definitions=main-2305080089 Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org Battery driver for ADI MAX77658. The MAX77658 is an ultra-low power fuel gauge which implements the Maxim ModelGauge m5 EZ algorithm. Signed-off-by: Nurettin Bolucu Signed-off-by: Zeynep Arslanbenzer --- drivers/power/supply/Kconfig | 7 + drivers/power/supply/Makefile | 1 + drivers/power/supply/max77658-battery.c | 633 ++++++++++++++++++++++++ 3 files changed, 641 insertions(+) create mode 100644 drivers/power/supply/max77658-battery.c diff --git a/drivers/power/supply/Kconfig b/drivers/power/supply/Kconfig index 4b68bbb1e2a8..f9556f4b9e35 100644 --- a/drivers/power/supply/Kconfig +++ b/drivers/power/supply/Kconfig @@ -572,6 +572,13 @@ config CHARGER_MAX77658 Say Y to enable support for the battery charger control of MAX77654/58/59 PMIC. +config BATTERY_MAX77658 + tristate "Analog Devices MAX77658 battery driver" + depends on MFD_MAX77658 + help + Say Y to enable support for the battery control of + MAX77658 PMIC. + config CHARGER_MAX77693 tristate "Maxim MAX77693 battery charger driver" depends on MFD_MAX77693 diff --git a/drivers/power/supply/Makefile b/drivers/power/supply/Makefile index af4bd6e5969f..e5a425d333a7 100644 --- a/drivers/power/supply/Makefile +++ b/drivers/power/supply/Makefile @@ -77,6 +77,7 @@ obj-$(CONFIG_CHARGER_MAX14577) += max14577_charger.o obj-$(CONFIG_CHARGER_DETECTOR_MAX14656) += max14656_charger_detector.o obj-$(CONFIG_CHARGER_MAX77650) += max77650-charger.o obj-$(CONFIG_CHARGER_MAX77658) += max77658-charger.o +obj-$(CONFIG_BATTERY_MAX77658) += max77658-battery.o obj-$(CONFIG_CHARGER_MAX77693) += max77693_charger.o obj-$(CONFIG_CHARGER_MAX77976) += max77976_charger.o obj-$(CONFIG_CHARGER_MAX8997) += max8997_charger.o diff --git a/drivers/power/supply/max77658-battery.c b/drivers/power/supply/max77658-battery.c new file mode 100644 index 000000000000..4948ef227db1 --- /dev/null +++ b/drivers/power/supply/max77658-battery.c @@ -0,0 +1,633 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Copyright (c) 2023 Analog Devices, Inc. + * ADI battery driver for the MAX77658 + */ + +#include +#include +#include +#include +#include +#include +#include +#include + +/* Default value for SALRT min threshold, in percent */ +#define MAX77658_SALRT_MIN_DEFAULT 1 +/* Default value for SALRT max threshold, in percent */ +#define MAX77658_SALRT_MAX_DEFAULT 99 + +#define MAX77658_IALRTTH_RESOLUTION 8567 +#define MAX77658_CURRENT_RESOLUTION 33487 +#define MAX77658_VOLTAGE_RESOLUTION 78125 +#define MAX77658_FG_DELAY 1000 +#define MAX77658_BATTERY_FULL 100 +#define MAX77658_BATTERY_LOW 40 +#define MAX77658_BATTERY_CRITICAL 10 +#define MAX77658_MAXMINVOLT_STEP 20000 +#define MAX77658_VALRTTH_STEP 20000 +#define MAX77658_VEMPTY_VE_STEP 10000 +#define MAX77658_POWER_STEP 17100 + +#define MAX77658_REG_STATUS 0x00 +#define MAX77658_REG_VALRTTH 0x01 +#define MAX77658_REG_TALRTTH 0x02 +#define MAX77658_REG_SALRTTH 0x03 +#define MAX77658_REG_CONFIG 0x1D +#define MAX77658_REG_DEVNAME 0x21 +#define MAX77658_REG_VEMPTY 0x3A +#define MAX77658_REG_AVGPOWER 0xB3 +#define MAX77658_REG_IALRTTH 0xB4 +#define MAX77658_REG_CONFIG2 0xBB +#define MAX77658_REG_TEMP 0x08 +#define MAX77658_REG_VCELL 0x09 +#define MAX77658_REG_CURRENT 0x0A +#define MAX77658_REG_AVGCURRENT 0x0B +#define MAX77658_REG_AVGVCELL 0x19 +#define MAX77658_REG_MAXMINTEMP 0x1A +#define MAX77658_REG_MAXMINVOLT 0x1B +#define MAX77658_REG_MAXMINCURR 0x1C +#define MAX77658_REG_REPSOC 0x06 +#define MAX77658_REG_TTE 0x11 +#define MAX77658_REG_TTF 0x20 + +#define MAX77658_BIT_STATUS_BR BIT(15) +#define MAX77658_BIT_STATUS_SMX BIT(14) +#define MAX77658_BIT_STATUS_TMX BIT(13) +#define MAX77658_BIT_STATUS_VMX BIT(12) +#define MAX77658_BIT_STATUS_BI BIT(11) +#define MAX77658_BIT_STATUS_SMN BIT(10) +#define MAX77658_BIT_STATUS_TMN BIT(9) +#define MAX77658_BIT_STATUS_VMN BIT(8) +#define MAX77658_BIT_STATUS_POR BIT(2) +#define MAX77658_BIT_CONFIG_AEN BIT(2) +#define MAX77658_BIT_SALRTTH_SMIN GENMASK(7, 0) +#define MAX77658_BIT_SALRTTH_SMAX GENMASK(15, 8) +#define MAX77658_BIT_TALRTTH_TMIN GENMASK(7, 0) +#define MAX77658_BIT_TALRTTH_TMAX GENMASK(15, 8) +#define MAX77658_BIT_IALRTTH_IMIN GENMASK(7, 0) +#define MAX77658_BIT_IALRTTH_IMAX GENMASK(15, 8) +#define MAX77658_BIT_MAXMINTEMP_MIN GENMASK(7, 0) +#define MAX77658_BIT_MAXMINTEMP_MAX GENMASK(15, 8) +#define MAX77658_BIT_MAXMINVOLT_MIN GENMASK(7, 0) +#define MAX77658_BIT_MAXMINVOLT_MAX GENMASK(15, 8) +#define MAX77658_BIT_VEMPTY_VE GENMASK(15, 7) + +struct max77658_fg { + struct device *dev; + struct max77658_dev *max77658; + struct regmap *regmap; + + struct delayed_work work; + struct power_supply *battery; + struct power_supply_desc psy_batt_d; + + int vcell; + int soc; + int health; + int capacity_level; + + int lasttime_vcell; + int lasttime_soc; + + int volt_min_uv; + int volt_max_uv; + int temp_alert_min; + int temp_alert_max; + int curr_max_ma; + int curr_min_ma; +}; + +static int max77658_fg_get_soc(struct max77658_fg *max77658_fg) +{ + unsigned int soc; + int ret; + + ret = regmap_read(max77658_fg->regmap, MAX77658_REG_REPSOC, &soc); + if (ret < 0) { + dev_dbg(max77658_fg->dev, "Error in reading register REPSOC\n"); + return ret; + } + + max77658_fg->soc = (u16)(soc >> 8); + + if (max77658_fg->soc > MAX77658_BATTERY_FULL) { + max77658_fg->soc = MAX77658_BATTERY_FULL; + max77658_fg->capacity_level = POWER_SUPPLY_CAPACITY_LEVEL_FULL; + max77658_fg->health = POWER_SUPPLY_HEALTH_GOOD; + } else if (max77658_fg->soc < MAX77658_BATTERY_CRITICAL) { + max77658_fg->health = POWER_SUPPLY_HEALTH_DEAD; + max77658_fg->capacity_level = + POWER_SUPPLY_CAPACITY_LEVEL_CRITICAL; + } else if (max77658_fg->soc < MAX77658_BATTERY_LOW) { + max77658_fg->health = POWER_SUPPLY_HEALTH_DEAD; + max77658_fg->capacity_level = POWER_SUPPLY_CAPACITY_LEVEL_LOW; + } else { + max77658_fg->health = POWER_SUPPLY_HEALTH_GOOD; + max77658_fg->capacity_level = + POWER_SUPPLY_CAPACITY_LEVEL_NORMAL; + } + + return 0; +} + +static void max77658_stop_work(void *data) +{ + struct max77658_fg *max77658_fg = data; + + cancel_delayed_work_sync(&max77658_fg->work); +} + +static u16 max77658_raw_voltage_to_uv(unsigned int val) +{ + return (u16)val * MAX77658_VOLTAGE_RESOLUTION; +} + +static void max77658_fg_work(struct work_struct *work) +{ + struct max77658_fg *max77658_fg; + unsigned int val; + int ret; + + max77658_fg = container_of(work, struct max77658_fg, work.work); + + ret = regmap_read(max77658_fg->regmap, MAX77658_REG_VCELL, &val); + if (ret < 0) + dev_err(max77658_fg->dev, "Error in reading register\n"); + else + max77658_fg->vcell = max77658_raw_voltage_to_uv(val); + + ret = max77658_fg_get_soc(max77658_fg); + if (ret < 0) + goto out; + + if (max77658_fg->vcell != max77658_fg->lasttime_vcell || + max77658_fg->soc != max77658_fg->lasttime_soc) { + max77658_fg->lasttime_vcell = max77658_fg->vcell; + max77658_fg->lasttime_soc = max77658_fg->soc; + + power_supply_changed(max77658_fg->battery); + } + +out: + schedule_delayed_work(&max77658_fg->work, MAX77658_FG_DELAY); +} + +static enum power_supply_property max77658_fg_battery_props[] = { + POWER_SUPPLY_PROP_CAPACITY, + POWER_SUPPLY_PROP_HEALTH, + POWER_SUPPLY_PROP_CAPACITY_LEVEL, + POWER_SUPPLY_PROP_VOLTAGE_NOW, + POWER_SUPPLY_PROP_VOLTAGE_AVG, + POWER_SUPPLY_PROP_VOLTAGE_MAX, + POWER_SUPPLY_PROP_VOLTAGE_MIN, + POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN, + POWER_SUPPLY_PROP_CAPACITY_ALERT_MIN, + POWER_SUPPLY_PROP_CAPACITY_ALERT_MAX, + POWER_SUPPLY_PROP_TEMP, + POWER_SUPPLY_PROP_TEMP_ALERT_MIN, + POWER_SUPPLY_PROP_TEMP_ALERT_MAX, + POWER_SUPPLY_PROP_CURRENT_NOW, + POWER_SUPPLY_PROP_CURRENT_MAX, + POWER_SUPPLY_PROP_CURRENT_AVG, + POWER_SUPPLY_PROP_TIME_TO_EMPTY_AVG, + POWER_SUPPLY_PROP_TIME_TO_FULL_AVG, + POWER_SUPPLY_PROP_TEMP_MAX, + POWER_SUPPLY_PROP_TEMP_MIN, + POWER_SUPPLY_PROP_POWER_AVG +}; + +static int max77658_property_is_writeable(struct power_supply *psy, + enum power_supply_property psp) +{ + switch (psp) { + case POWER_SUPPLY_PROP_TEMP_ALERT_MIN: + case POWER_SUPPLY_PROP_TEMP_ALERT_MAX: + case POWER_SUPPLY_PROP_CAPACITY_ALERT_MIN: + case POWER_SUPPLY_PROP_CAPACITY_ALERT_MAX: + case POWER_SUPPLY_PROP_TEMP_MAX: + case POWER_SUPPLY_PROP_TEMP_MIN: + return 1; + default: + return 0; + } + + return 0; +} + +static u16 max77658_raw_current_to_ua(unsigned int val) +{ + return sign_extend32(val, 15) * MAX77658_CURRENT_RESOLUTION / 1000000; +} + +static int max77658_fg_get_property(struct power_supply *psy, + enum power_supply_property psp, + union power_supply_propval *val) +{ + struct max77658_fg *max77658_fg = power_supply_get_drvdata(psy); + unsigned int reg_val; + u8 field_val; + int ret = 0; + + switch (psp) { + case POWER_SUPPLY_PROP_CAPACITY: + val->intval = max77658_fg->soc; + break; + case POWER_SUPPLY_PROP_HEALTH: + val->intval = max77658_fg->health; + break; + case POWER_SUPPLY_PROP_CAPACITY_LEVEL: + val->intval = max77658_fg->capacity_level; + break; + case POWER_SUPPLY_PROP_VOLTAGE_NOW: + val->intval = max77658_fg->vcell; + break; + case POWER_SUPPLY_PROP_VOLTAGE_AVG: + ret = regmap_read(max77658_fg->regmap, MAX77658_REG_AVGVCELL, + ®_val); + if (ret) + return ret; + + val->intval = max77658_raw_voltage_to_uv(reg_val); + break; + case POWER_SUPPLY_PROP_VOLTAGE_MAX: + ret = regmap_read(max77658_fg->regmap, MAX77658_REG_MAXMINVOLT, + ®_val); + if (ret) + return ret; + + val->intval = FIELD_GET(MAX77658_BIT_MAXMINVOLT_MAX, reg_val) + * MAX77658_MAXMINVOLT_STEP; + break; + case POWER_SUPPLY_PROP_VOLTAGE_MIN: + ret = regmap_read(max77658_fg->regmap, MAX77658_REG_MAXMINVOLT, + ®_val); + if (ret) + return ret; + + val->intval = FIELD_GET(MAX77658_BIT_MAXMINVOLT_MIN, reg_val) + * MAX77658_MAXMINVOLT_STEP; + break; + case POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN: + ret = regmap_read(max77658_fg->regmap, MAX77658_REG_VEMPTY, + ®_val); + if (ret) + return ret; + + val->intval = FIELD_GET(MAX77658_BIT_VEMPTY_VE, reg_val) + * MAX77658_VEMPTY_VE_STEP; + break; + case POWER_SUPPLY_PROP_CAPACITY_ALERT_MIN: + ret = regmap_read(max77658_fg->regmap, MAX77658_REG_SALRTTH, + ®_val); + if (ret) + return ret; + + val->intval = FIELD_GET(MAX77658_BIT_SALRTTH_SMIN, reg_val); + break; + case POWER_SUPPLY_PROP_CAPACITY_ALERT_MAX: + ret = regmap_read(max77658_fg->regmap, MAX77658_REG_SALRTTH, + ®_val); + if (ret) + return ret; + + val->intval = FIELD_GET(MAX77658_BIT_SALRTTH_SMAX, reg_val); + break; + case POWER_SUPPLY_PROP_TEMP: + ret = regmap_read(max77658_fg->regmap, MAX77658_REG_TEMP, + ®_val); + if (ret) + return ret; + + val->intval = sign_extend32(reg_val, 15); + val->intval = val->intval >> 8; + break; + case POWER_SUPPLY_PROP_TEMP_ALERT_MIN: + ret = regmap_read(max77658_fg->regmap, MAX77658_REG_TALRTTH, + ®_val); + if (ret) + return ret; + + val->intval = sign_extend32(reg_val & 0xff, 7); + break; + case POWER_SUPPLY_PROP_TEMP_ALERT_MAX: + ret = regmap_read(max77658_fg->regmap, MAX77658_REG_TALRTTH, + ®_val); + if (ret) + return ret; + + val->intval = sign_extend32(reg_val >> 8, 7); + break; + case POWER_SUPPLY_PROP_CURRENT_NOW: + ret = regmap_read(max77658_fg->regmap, MAX77658_REG_CURRENT, + ®_val); + if (ret) + return ret; + + val->intval = max77658_raw_current_to_ua(reg_val); + break; + case POWER_SUPPLY_PROP_CURRENT_AVG: + ret = regmap_read(max77658_fg->regmap, MAX77658_REG_AVGCURRENT, + ®_val); + if (ret) + return ret; + + val->intval = max77658_raw_current_to_ua(reg_val); + break; + case POWER_SUPPLY_PROP_TIME_TO_EMPTY_AVG: + ret = regmap_read(max77658_fg->regmap, MAX77658_REG_TTE, + ®_val); + if (ret) + return ret; + + val->intval = (reg_val * 45) >> 3; + break; + case POWER_SUPPLY_PROP_TIME_TO_FULL_AVG: + ret = regmap_read(max77658_fg->regmap, MAX77658_REG_TTF, + ®_val); + if (ret) + return ret; + + val->intval = (reg_val * 45) >> 3; + break; + case POWER_SUPPLY_PROP_TEMP_MIN: + ret = regmap_read(max77658_fg->regmap, MAX77658_REG_MAXMINTEMP, + ®_val); + if (ret) + return ret; + + field_val = FIELD_GET(MAX77658_BIT_MAXMINTEMP_MIN, reg_val); + val->intval = sign_extend32(field_val, 7); + break; + case POWER_SUPPLY_PROP_TEMP_MAX: + ret = regmap_read(max77658_fg->regmap, MAX77658_REG_MAXMINTEMP, + ®_val); + if (ret) + return ret; + + field_val = FIELD_GET(MAX77658_BIT_MAXMINTEMP_MAX, reg_val); + val->intval = sign_extend32(field_val, 7); + + break; + case POWER_SUPPLY_PROP_POWER_AVG: + ret = regmap_read(max77658_fg->regmap, MAX77658_REG_AVGPOWER, + ®_val); + if (ret) + return ret; + + val->intval = reg_val * MAX77658_POWER_STEP; + break; + case POWER_SUPPLY_PROP_CURRENT_MAX: + ret = regmap_read(max77658_fg->regmap, MAX77658_REG_MAXMINCURR, + ®_val); + if (ret) + return ret; + + val->intval = FIELD_GET(MAX77658_BIT_MAXMINTEMP_MAX, reg_val) + * MAX77658_IALRTTH_RESOLUTION; + break; + default: + ret = -EINVAL; + } + + return ret; +} + +static int max77658_fg_set_property(struct power_supply *psy, + enum power_supply_property psp, + const union power_supply_propval *val) +{ + struct max77658_fg *max77658_fg = power_supply_get_drvdata(psy); + int ret = 0; + + switch (psp) { + case POWER_SUPPLY_PROP_TEMP_ALERT_MIN: + ret = regmap_update_bits(max77658_fg->regmap, + MAX77658_REG_TALRTTH, + MAX77658_BIT_TALRTTH_TMIN, + val->intval); + break; + case POWER_SUPPLY_PROP_TEMP_ALERT_MAX: + ret = regmap_update_bits(max77658_fg->regmap, + MAX77658_REG_TALRTTH, + MAX77658_BIT_TALRTTH_TMAX, + val->intval); + break; + case POWER_SUPPLY_PROP_CAPACITY_ALERT_MIN: + ret = regmap_update_bits(max77658_fg->regmap, + MAX77658_REG_SALRTTH, + MAX77658_BIT_SALRTTH_SMIN, + val->intval); + break; + case POWER_SUPPLY_PROP_CAPACITY_ALERT_MAX: + ret = regmap_update_bits(max77658_fg->regmap, + MAX77658_REG_SALRTTH, + MAX77658_BIT_SALRTTH_SMAX, + val->intval); + break; + case POWER_SUPPLY_PROP_TEMP_MIN: + ret = regmap_update_bits(max77658_fg->regmap, + MAX77658_REG_MAXMINTEMP, + MAX77658_BIT_MAXMINTEMP_MIN, + val->intval); + break; + case POWER_SUPPLY_PROP_TEMP_MAX: + ret = regmap_update_bits(max77658_fg->regmap, + MAX77658_REG_MAXMINTEMP, + MAX77658_BIT_MAXMINTEMP_MAX, + val->intval); + break; + default: + ret = -EINVAL; + } + + return ret; +} + +static int max77658_set_alert_thresholds(struct max77658_fg *max77658_fg) +{ + unsigned int val; + int ret; + + val = (max77658_fg->volt_min_uv / MAX77658_VALRTTH_STEP); + val |= ((max77658_fg->volt_max_uv / MAX77658_VALRTTH_STEP) << 8); + ret = regmap_write(max77658_fg->regmap, MAX77658_REG_VALRTTH, val); + if (ret) + return dev_err_probe(max77658_fg->dev, ret, + "Error in writing register VALRTTH\n"); + + val = FIELD_PREP(MAX77658_BIT_TALRTTH_TMAX, max77658_fg->temp_alert_max) + | FIELD_PREP(MAX77658_BIT_TALRTTH_TMIN, max77658_fg->temp_alert_min); + ret = regmap_write(max77658_fg->regmap, MAX77658_REG_TALRTTH, val); + if (ret) + return dev_err_probe(max77658_fg->dev, ret, + "Error in writing register TALRTTH\n"); + + val = FIELD_PREP(MAX77658_BIT_SALRTTH_SMAX, MAX77658_SALRT_MAX_DEFAULT) + | FIELD_PREP(MAX77658_BIT_SALRTTH_SMIN, MAX77658_SALRT_MIN_DEFAULT); + ret = regmap_write(max77658_fg->regmap, MAX77658_REG_SALRTTH, val); + if (ret) + return dev_err_probe(max77658_fg->dev, ret, + "Error in writing register SALRTTH\n"); + + val = FIELD_PREP(MAX77658_BIT_IALRTTH_IMAX, + max77658_fg->curr_max_ma / MAX77658_IALRTTH_RESOLUTION) + | FIELD_PREP(MAX77658_BIT_IALRTTH_IMIN, + (max77658_fg->curr_min_ma / MAX77658_IALRTTH_RESOLUTION)); + + return regmap_write(max77658_fg->regmap, MAX77658_REG_IALRTTH, val); +} + +static int max77658_fg_initialize(struct max77658_fg *max77658_fg) +{ + unsigned int reg; + int ret; + + ret = max77658_set_alert_thresholds(max77658_fg); + if (ret) + return dev_err_probe(max77658_fg->dev, ret, + "Error in setting alert thresholds\n"); + + ret = regmap_read(max77658_fg->regmap, MAX77658_REG_STATUS, ®); + if (ret) + return dev_err_probe(max77658_fg->dev, ret, + "Error in reading register STATUS\n"); + + ret = regmap_write(max77658_fg->regmap, MAX77658_REG_STATUS, + reg & ~MAX77658_BIT_STATUS_POR); + if (ret) + return dev_err_probe(max77658_fg->dev, ret, + "Error in writing register STATUS\n"); + + schedule_delayed_work(&max77658_fg->work, MAX77658_FG_DELAY); + return 0; +} + +static void max77658_fg_parse_dt(struct max77658_fg *max77658_fg) +{ + struct device *dev = max77658_fg->dev; + int ret; + + ret = device_property_read_u32(dev, "adi,valrt-min-microvolt", + &max77658_fg->volt_min_uv); + if (ret) { + dev_dbg(dev, + "Could not read adi,valrt-min-microvolt DT property\n"); + max77658_fg->volt_min_uv = 0; + } + + ret = device_property_read_u32(dev, "adi,valrt-max-microvolt", + &max77658_fg->volt_max_uv); + if (ret) { + dev_dbg(dev, + "Could not read adi,valrt-max-microvolt DT property\n"); + max77658_fg->volt_max_uv = 5100000; + } + + ret = device_property_read_u32(dev, "adi,ialrt-min-microamp", + &max77658_fg->curr_min_ma); + if (ret) { + dev_dbg(dev, + "Could not read adi,ialrt-min-microamp DT property\n"); + max77658_fg->curr_min_ma = MAX77658_IALRTTH_RESOLUTION * (-128); + } + + ret = device_property_read_u32(dev, "adi,ialrt-max-microamp", + &max77658_fg->curr_max_ma); + if (ret) { + dev_dbg(dev, + "Could not read adi,ialrt-max-microamp DT property\n"); + max77658_fg->curr_max_ma = MAX77658_IALRTTH_RESOLUTION * 127; + } +} + +static int max77658_fg_probe(struct platform_device *pdev) +{ + struct max77658_dev *max77658 = dev_get_drvdata(pdev->dev.parent); + struct power_supply_battery_info *info; + struct power_supply_config fg_cfg = {}; + struct device *dev = &pdev->dev; + struct max77658_fg *fg; + int ret = 0; + + fg = devm_kzalloc(&pdev->dev, sizeof(*fg), GFP_KERNEL); + if (!fg) + return -ENOMEM; + + fg->dev = &pdev->dev; + fg->regmap = max77658->regmap_fg; + + fg->psy_batt_d.name = "max77658-battery"; + fg->psy_batt_d.type = POWER_SUPPLY_TYPE_BATTERY; + fg->psy_batt_d.get_property = max77658_fg_get_property; + fg->psy_batt_d.set_property = max77658_fg_set_property; + fg->psy_batt_d.properties = max77658_fg_battery_props; + fg->psy_batt_d.property_is_writeable = max77658_property_is_writeable; + fg->psy_batt_d.num_properties = ARRAY_SIZE(max77658_fg_battery_props); + fg_cfg.drv_data = fg; + + INIT_DELAYED_WORK(&fg->work, max77658_fg_work); + ret = devm_add_action(&pdev->dev, max77658_stop_work, fg); + if (ret) + return dev_err_probe(&pdev->dev, ret, + "Error in setting delayed work\n"); + + fg->battery = devm_power_supply_register(dev, &fg->psy_batt_d, + &fg_cfg); + if (IS_ERR(fg->battery)) + return dev_err_probe(&pdev->dev, PTR_ERR(fg->battery), + "Failed to register battery\n"); + + fg->battery->of_node = of_get_child_by_name(dev->parent->of_node, + "fuel-gauge"); + + if (!fg->battery->of_node) + dev_err(dev, + "of_get_child_by_name\n"); + + ret = power_supply_get_battery_info(fg->battery, &info); + if (ret) { + dev_err(fg->dev, "Unable to get battery info\n"); + fg->temp_alert_min = info->temp_alert_min; + fg->temp_alert_max = info->temp_alert_max; + } else { + fg->temp_alert_min = -128; + fg->temp_alert_max = 127; + } + + max77658_fg_parse_dt(fg); + + ret = max77658_fg_initialize(fg); + if (ret) + return dev_err_probe(dev, ret, + "Error in initializing fuel gauge\n"); + return 0; +} + +static const struct of_device_id max77658_battery_of_id[] = { + { .compatible = "adi,max77658-battery" }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, max77658_battery_of_id); + +static const struct platform_device_id max77658_fg_id[] = { + { "max77658-battery", 0 }, + { }, +}; +MODULE_DEVICE_TABLE(platform, max77658_fg_id); + +static struct platform_driver max77658_fg_driver = { + .driver = { + .name = "max77658-battery", + .of_match_table = max77658_battery_of_id, + }, + .probe = max77658_fg_probe, + .id_table = max77658_fg_id, +}; + +module_platform_driver(max77658_fg_driver); + +MODULE_DESCRIPTION("MAX77658 Fuel Gauge Driver"); +MODULE_AUTHOR("Nurettin.Bolucu@analog.com, Zeynep.Arslanbenzer@analog.com"); +MODULE_LICENSE("GPL"); From patchwork Mon May 8 13:10:44 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Arslanbenzer, Zeynep" X-Patchwork-Id: 680450 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id A4465C7EE2D for ; Mon, 8 May 2023 13:18:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232924AbjEHNS1 (ORCPT ); Mon, 8 May 2023 09:18:27 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36574 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229794AbjEHNSM (ORCPT ); Mon, 8 May 2023 09:18:12 -0400 Received: from mx0a-00128a01.pphosted.com (mx0a-00128a01.pphosted.com [148.163.135.77]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CC08D37C5A; Mon, 8 May 2023 06:17:57 -0700 (PDT) Received: from pps.filterd (m0167089.ppops.net [127.0.0.1]) by mx0a-00128a01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 348D7gfQ003273; Mon, 8 May 2023 09:17:54 -0400 Received: from nwd2mta3.analog.com ([137.71.173.56]) by mx0a-00128a01.pphosted.com (PPS) with ESMTPS id 3qdkt9b8gc-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 08 May 2023 09:17:53 -0400 Received: from ASHBMBX9.ad.analog.com (ASHBMBX9.ad.analog.com [10.64.17.10]) by nwd2mta3.analog.com (8.14.7/8.14.7) with ESMTP id 348DHqHu020954 (version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Mon, 8 May 2023 09:17:52 -0400 Received: from ASHBCASHYB5.ad.analog.com (10.64.17.133) by ASHBMBX9.ad.analog.com (10.64.17.10) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.14; Mon, 8 May 2023 09:17:51 -0400 Received: from ASHBMBX9.ad.analog.com (10.64.17.10) by ASHBCASHYB5.ad.analog.com (10.64.17.133) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.14; Mon, 8 May 2023 09:17:51 -0400 Received: from zeus.spd.analog.com (10.66.68.11) by ashbmbx9.ad.analog.com (10.64.17.10) with Microsoft SMTP Server id 15.2.986.14 via Frontend Transport; Mon, 8 May 2023 09:17:51 -0400 Received: from IST-LT-42339.ad.analog.com ([10.158.19.231]) by zeus.spd.analog.com (8.15.1/8.15.1) with ESMTP id 348DBdTP009014; Mon, 8 May 2023 09:17:42 -0400 From: Zeynep Arslanbenzer To: , , , , , CC: , , , , Nurettin Bolucu Subject: [PATCH v3 6/7] dt-bindings: mfd: max77658: Add ADI MAX77658 Date: Mon, 8 May 2023 16:10:44 +0300 Message-ID: <20230508131045.9399-7-Zeynep.Arslanbenzer@analog.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230508131045.9399-1-Zeynep.Arslanbenzer@analog.com> References: <20230508131045.9399-1-Zeynep.Arslanbenzer@analog.com> MIME-Version: 1.0 X-ADIRuleOP-NewSCL: Rule Triggered X-Proofpoint-GUID: gHDDIHAC7h25mEwbONxIzD9oF9Q9bD9J X-Proofpoint-ORIG-GUID: gHDDIHAC7h25mEwbONxIzD9oF9Q9bD9J X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.942,Hydra:6.0.573,FMLib:17.11.170.22 definitions=2023-05-08_09,2023-05-05_01,2023-02-09_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 phishscore=0 adultscore=0 mlxlogscore=999 mlxscore=0 priorityscore=1501 lowpriorityscore=0 malwarescore=0 bulkscore=0 clxscore=1015 impostorscore=0 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2303200000 definitions=main-2305080089 Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org Add ADI MAX77658 devicetree document. Signed-off-by: Nurettin Bolucu Signed-off-by: Zeynep Arslanbenzer --- .../devicetree/bindings/mfd/adi,max77658.yaml | 160 ++++++++++++++++++ 1 file changed, 160 insertions(+) create mode 100644 Documentation/devicetree/bindings/mfd/adi,max77658.yaml diff --git a/Documentation/devicetree/bindings/mfd/adi,max77658.yaml b/Documentation/devicetree/bindings/mfd/adi,max77658.yaml new file mode 100644 index 000000000000..4d6d87cd4b52 --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/adi,max77658.yaml @@ -0,0 +1,160 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mfd/adi,max77658.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: MAX77643/54/58/59 PMIC from ADI + +maintainers: + - Nurettin Bolucu + - Zeynep Arslanbenzer + +description: | + MAX77643, MAX77654, MAX77658 and MAX77659 devices are a family of ADI PMICs + providing battery charging and power supply solutions for + low-power applications. + + MAX77643 is a Power Management IC with 1 LDO regulator. + + MAX77654 is a Power Management IC with 2 LDO regulators and 1 charger. + + MAX77658 is a Power Management IC with 2 LDO regulators, 1 charger + and 1 fuel gauge. + + MAX77659 is a Power Management IC with 1 LDO regulator and 1 charger. + +properties: + compatible: + enum: + - adi,max77643 + - adi,max77654 + - adi,max77658 + - adi,max77659 + + reg: + items: + - enum: [0x40, 0x48] + + interrupts: + maxItems: 1 + + charger: + $ref: /schemas/power/supply/adi,max77658-charger.yaml + + fuel-gauge: + $ref: /schemas/power/supply/adi,max77658-battery.yaml + + regulators: + type: object + + description: + The regulators is represented as a sub-node of the PMIC node on the device tree. + + patternProperties: + "^LDO[01]$": + type: object + $ref: /schemas/regulator/regulator.yaml + additionalProperties: false + description: + LDO regulator + + properties: + regulator-always-on: true + regulator-boot-on: true + + additionalProperties: false + +allOf: + - if: + properties: + compatible: + contains: + enum: + - adi,max77643 + - adi,max77654 + - adi,max77658 + + then: + properties: + reg: + items: + - const: 0x48 + + else: + properties: + reg: + items: + - const: 0x40 + +required: + - compatible + - reg + - interrupts + +additionalProperties: false + +examples: + - | + battery: battery-cell { + compatible = "simple-battery"; + alert-celsius = <0 100>; + constant-charge-current-max-microamp = <15000>; + }; + #include + i2c { + #address-cells = <1>; + #size-cells = <0>; + pmic@48 { + compatible = "adi,max77658"; + reg = <0x48>; + interrupt-parent = <&gpio>; + interrupts = <16 IRQ_TYPE_EDGE_FALLING>; + charger { + compatible = "adi,max77658-charger"; + monitored-battery = <&battery>; + adi,input-current-limit-microamp = <475000>; + }; + regulators { + LDO0 { + regulator-boot-on; + regulator-always-on; + }; + LDO1 { + regulator-boot-on; + regulator-always-on; + }; + }; + fuel-gauge { + compatible = "adi,max77658-battery"; + monitored-battery = <&battery>; + adi,valrt-min-microvolt = <0>; + adi,valrt-max-microvolt = <5100000>; + adi,ialrt-min-microamp = <(-5000)>; + adi,ialrt-max-microamp = <5000>; + }; + }; + }; + + - | + #include + i2c { + #address-cells = <1>; + #size-cells = <0>; + pmic@40 { + compatible = "adi,max77659"; + reg = <0x40>; + interrupt-parent = <&gpio>; + interrupts = <16 IRQ_TYPE_EDGE_FALLING>; + charger { + compatible = "adi,max77659-charger"; + monitored-battery = <&battery>; + }; + regulators { + LDO0 { + regulator-boot-on; + regulator-always-on; + }; + }; + }; + }; From patchwork Mon May 8 13:10:45 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Arslanbenzer, Zeynep" X-Patchwork-Id: 680150 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 77006C7EE22 for ; Mon, 8 May 2023 13:18:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234159AbjEHNSz (ORCPT ); Mon, 8 May 2023 09:18:55 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36056 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232161AbjEHNSo (ORCPT ); Mon, 8 May 2023 09:18:44 -0400 Received: from mx0a-00128a01.pphosted.com (mx0a-00128a01.pphosted.com [148.163.135.77]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 521B030AF0; Mon, 8 May 2023 06:18:16 -0700 (PDT) Received: from pps.filterd (m0167088.ppops.net [127.0.0.1]) by mx0a-00128a01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 348C9S7W004289; Mon, 8 May 2023 09:18:08 -0400 Received: from nwd2mta3.analog.com ([137.71.173.56]) by mx0a-00128a01.pphosted.com (PPS) with ESMTPS id 3qf0u68anq-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 08 May 2023 09:18:07 -0400 Received: from ASHBMBX9.ad.analog.com (ASHBMBX9.ad.analog.com [10.64.17.10]) by nwd2mta3.analog.com (8.14.7/8.14.7) with ESMTP id 348DI6dM020971 (version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Mon, 8 May 2023 09:18:06 -0400 Received: from ASHBMBX9.ad.analog.com (10.64.17.10) by ASHBMBX9.ad.analog.com (10.64.17.10) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.14; Mon, 8 May 2023 09:18:05 -0400 Received: from zeus.spd.analog.com (10.66.68.11) by ashbmbx9.ad.analog.com (10.64.17.10) with Microsoft SMTP Server id 15.2.986.14 via Frontend Transport; Mon, 8 May 2023 09:18:05 -0400 Received: from IST-LT-42339.ad.analog.com ([10.158.19.231]) by zeus.spd.analog.com (8.15.1/8.15.1) with ESMTP id 348DBdTQ009014; Mon, 8 May 2023 09:17:55 -0400 From: Zeynep Arslanbenzer To: , , , , , CC: , , , , Nurettin Bolucu Subject: [PATCH v3 7/7] mfd: max77658: Add ADI MAX77643/54/58/59 MFD Support Date: Mon, 8 May 2023 16:10:45 +0300 Message-ID: <20230508131045.9399-8-Zeynep.Arslanbenzer@analog.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230508131045.9399-1-Zeynep.Arslanbenzer@analog.com> References: <20230508131045.9399-1-Zeynep.Arslanbenzer@analog.com> MIME-Version: 1.0 X-ADIRuleOP-NewSCL: Rule Triggered X-Proofpoint-GUID: TWN6JE6mWSojmHNnWgAOARUCMfJ_6n_8 X-Proofpoint-ORIG-GUID: TWN6JE6mWSojmHNnWgAOARUCMfJ_6n_8 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.942,Hydra:6.0.573,FMLib:17.11.170.22 definitions=2023-05-08_09,2023-05-05_01,2023-02-09_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxscore=0 impostorscore=0 suspectscore=0 malwarescore=0 phishscore=0 mlxlogscore=999 priorityscore=1501 adultscore=0 bulkscore=0 lowpriorityscore=0 clxscore=1015 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2303200000 definitions=main-2305080089 Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org MFD driver for MAX77643/54/58/59 to enable its sub devices. The MAX77643 is a multi-function devices. It includes regulator. The MAX77654 is a multi-function devices. It includes regulator and charger. The MAX77658 is a multi-function devices. It includes regulator, charger and battery. The MAX77659 is a multi-function devices. It includes regulator and charger. Signed-off-by: Nurettin Bolucu Signed-off-by: Zeynep Arslanbenzer --- drivers/mfd/Kconfig | 13 ++ drivers/mfd/Makefile | 1 + drivers/mfd/max77658.c | 426 +++++++++++++++++++++++++++++++++++ include/linux/mfd/max77658.h | 80 +++++++ 4 files changed, 520 insertions(+) create mode 100644 drivers/mfd/max77658.c create mode 100644 include/linux/mfd/max77658.h diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig index 8b93856de432..aa1630a6d33a 100644 --- a/drivers/mfd/Kconfig +++ b/drivers/mfd/Kconfig @@ -821,6 +821,19 @@ config MFD_MAX77650 the following functionalities of the device: GPIO, regulator, charger, LED, onkey. +config MFD_MAX77658 + tristate "Analog Devices MAX77643/54/58/59 PMIC Support" + depends on I2C + depends on OF + select MFD_CORE + select REGMAP_I2C + select REGMAP_IRQ + help + Say Y here to add support for Analog Devices MAX77643/54/58/59 + Power Management ICs. This is the core driver for interacting + with the device. Additional drivers must be enabled in order to use the + regulator, charger, and battery functionalities of the device. + config MFD_MAX77686 tristate "Maxim Semiconductor MAX77686/802 PMIC Support" depends on I2C diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile index 7ed3ef4a698c..f52aff45878f 100644 --- a/drivers/mfd/Makefile +++ b/drivers/mfd/Makefile @@ -163,6 +163,7 @@ obj-$(CONFIG_MFD_DA9150) += da9150-core.o obj-$(CONFIG_MFD_MAX14577) += max14577.o obj-$(CONFIG_MFD_MAX77620) += max77620.o obj-$(CONFIG_MFD_MAX77650) += max77650.o +obj-$(CONFIG_MFD_MAX77658) += max77658.o obj-$(CONFIG_MFD_MAX77686) += max77686.o obj-$(CONFIG_MFD_MAX77693) += max77693.o obj-$(CONFIG_MFD_MAX77714) += max77714.o diff --git a/drivers/mfd/max77658.c b/drivers/mfd/max77658.c new file mode 100644 index 000000000000..2eab1133cdc8 --- /dev/null +++ b/drivers/mfd/max77658.c @@ -0,0 +1,426 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Copyright (c) 2023 Analog Devices, Inc. + * ADI driver for the MAX77643/54/58/59 + */ + +#include +#include +#include +#include +#include +#include + +#define I2C_ADDR_FUEL_GAUGE (0x6C >> 1) + +static const struct regmap_config max77658_regmap_config = { + .reg_bits = 8, + .val_bits = 8, +}; + +static const struct regmap_config max77658_regmap_config_fg = { + .reg_bits = 8, + .val_bits = 16, + .cache_type = REGCACHE_NONE, + .val_format_endian = REGMAP_ENDIAN_LITTLE, +}; + +static const struct regmap_irq max77643_glbl0_irqs[] = { + { .mask = MAX77658_BIT_INT_GLBL0_GPIO0_F, }, + { .mask = MAX77658_BIT_INT_GLBL0_GPIO0_R, }, + { .mask = MAX77658_BIT_INT_GLBL0_EN_F, }, + { .mask = MAX77658_BIT_INT_GLBL0_EN_R, }, + { .mask = MAX77658_BIT_INT_GLBL0_TJAL1_R, }, + { .mask = MAX77658_BIT_INT_GLBL0_TJAL2_R, }, + { .mask = MAX77643_BIT_INT_GLBL0_DOD0_R, }, +}; + +static const struct regmap_irq_chip max77643_glbl0_irq_chip = { + .name = "max77643_glbl0", + .status_base = MAX77658_REG_INT_GLBL0, + .mask_base = MAX77643_REG_INTM_GLBL0, + .num_regs = 1, + .irqs = max77643_glbl0_irqs, + .num_irqs = ARRAY_SIZE(max77643_glbl0_irqs), +}; + +static const struct regmap_irq max77658_glbl0_irqs[] = { + { .mask = MAX77658_BIT_INT_GLBL0_GPIO0_F, }, + { .mask = MAX77658_BIT_INT_GLBL0_GPIO0_R, }, + { .mask = MAX77658_BIT_INT_GLBL0_EN_F, }, + { .mask = MAX77658_BIT_INT_GLBL0_EN_R, }, + { .mask = MAX77658_BIT_INT_GLBL0_TJAL1_R, }, + { .mask = MAX77658_BIT_INT_GLBL0_TJAL2_R, }, + { .mask = MAX77658_BIT_INT_GLBL0_DOD1_R, }, + { .mask = MAX77658_BIT_INT_GLBL0_DOD0_R, }, +}; + +static const struct regmap_irq_chip max77654_glbl0_irq_chip = { + .name = "max77654_glbl0", + .status_base = MAX77658_REG_INT_GLBL0, + .mask_base = MAX77654_REG_INTM_GLBL0, + .num_regs = 1, + .irqs = max77658_glbl0_irqs, + .num_irqs = ARRAY_SIZE(max77658_glbl0_irqs), +}; + +static const struct regmap_irq_chip max77658_glbl0_irq_chip = { + .name = "max77658_glbl0", + .status_base = MAX77658_REG_INT_GLBL0, + .mask_base = MAX77658_REG_INTM_GLBL0, + .num_regs = 1, + .irqs = max77658_glbl0_irqs, + .num_irqs = ARRAY_SIZE(max77658_glbl0_irqs), +}; + +static const struct regmap_irq max77659_glbl0_irqs[] = { + { .mask = MAX77658_BIT_INT_GLBL0_GPIO0_F, }, + { .mask = MAX77658_BIT_INT_GLBL0_GPIO0_R, }, + { .mask = MAX77658_BIT_INT_GLBL0_EN_F, }, + { .mask = MAX77658_BIT_INT_GLBL0_EN_R, }, + { .mask = MAX77658_BIT_INT_GLBL0_TJAL1_R, }, + { .mask = MAX77658_BIT_INT_GLBL0_TJAL2_R, }, + { .mask = MAX77658_BIT_INT_GLBL0_DOD0_R, }, +}; + +static const struct regmap_irq_chip max77659_glbl0_irq_chip = { + .name = "max77659_glbl0", + .status_base = MAX77658_REG_INT_GLBL0, + .mask_base = MAX77654_REG_INTM_GLBL0, + .num_regs = 1, + .irqs = max77659_glbl0_irqs, + .num_irqs = ARRAY_SIZE(max77659_glbl0_irqs), +}; + +static const struct regmap_irq max77643_glbl1_irqs[] = { + { .mask = MAX77658_BIT_INT_GLBL1_GPI1_F, }, + { .mask = MAX77658_BIT_INT_GLBL1_GPI1_R, }, + { .mask = MAX77658_BIT_INT_GLBL1_SBB0_F, }, + { .mask = MAX77658_BIT_INT_GLBL1_SBB1_F, }, + { .mask = MAX77658_BIT_INT_GLBL1_SBB2_F, }, + { .mask = MAX77658_BIT_INT_GLBL1_LDO0_F, }, +}; + +static const struct regmap_irq_chip max77643_glbl1_irq_chip = { + .name = "max77643_glbl1", + .status_base = MAX77658_REG_INT_GLBL1, + .mask_base = MAX77643_REG_INTM_GLBL1, + .num_regs = 1, + .irqs = max77643_glbl1_irqs, + .num_irqs = ARRAY_SIZE(max77643_glbl1_irqs), +}; + +static const struct regmap_irq max77654_glbl1_irqs[] = { + { .mask = MAX77658_BIT_INT_GLBL1_GPI1_F, }, + { .mask = MAX77658_BIT_INT_GLBL1_GPI1_R, }, + { .mask = MAX77654_BIT_INT_GLBL1_GPI2_F, }, + { .mask = MAX77654_BIT_INT_GLBL1_GPI2_R, }, + { .mask = MAX77654_BIT_INT_GLBL1_SBB_TO, }, + { .mask = MAX77658_BIT_INT_GLBL1_LDO0_F, }, + { .mask = MAX77658_BIT_INT_GLBL1_LDO1_F, }, +}; + +static const struct regmap_irq_chip max77654_glbl1_irq_chip = { + .name = "max77654_glbl1", + .status_base = MAX77658_REG_INT_GLBL1, + .mask_base = MAX77654_REG_INTM_GLBL1, + .num_regs = 1, + .irqs = max77654_glbl1_irqs, + .num_irqs = ARRAY_SIZE(max77654_glbl1_irqs), +}; + +static const struct regmap_irq max77658_glbl1_irqs[] = { + { .mask = MAX77658_BIT_INT_GLBL1_GPI1_F, }, + { .mask = MAX77658_BIT_INT_GLBL1_GPI1_R, }, + { .mask = MAX77658_BIT_INT_GLBL1_SBB0_F, }, + { .mask = MAX77658_BIT_INT_GLBL1_SBB1_F, }, + { .mask = MAX77658_BIT_INT_GLBL1_SBB2_F, }, + { .mask = MAX77658_BIT_INT_GLBL1_LDO0_F, }, + { .mask = MAX77658_BIT_INT_GLBL1_LDO1_F, }, +}; + +static const struct regmap_irq_chip max77658_glbl1_irq_chip = { + .name = "max77658_glbl1", + .status_base = MAX77658_REG_INT_GLBL1, + .mask_base = MAX77658_REG_INTM_GLBL1, + .num_regs = 1, + .irqs = max77658_glbl1_irqs, + .num_irqs = ARRAY_SIZE(max77658_glbl1_irqs), +}; + +static const struct regmap_irq max77659_glbl1_irqs[] = { + { .mask = MAX77658_BIT_INT_GLBL1_GPI1_F, }, + { .mask = MAX77658_BIT_INT_GLBL1_GPI1_R, }, + { .mask = MAX77659_BIT_INT_GLBL1_SBB_TO, }, + { .mask = MAX77658_BIT_INT_GLBL1_LDO0_F, }, +}; + +static const struct regmap_irq_chip max77659_glbl1_irq_chip = { + .name = "max77659_glbl1", + .status_base = MAX77658_REG_INT_GLBL1, + .mask_base = MAX77658_REG_INTM_GLBL1, + .num_regs = 1, + .irqs = max77659_glbl1_irqs, + .num_irqs = ARRAY_SIZE(max77659_glbl1_irqs), +}; + +static const struct regmap_irq max77658_chg_irqs[] = { + { .mask = MAX77658_BIT_INT_THM, }, + { .mask = MAX77658_BIT_INT_CHG, }, + { .mask = MAX77658_BIT_INT_CHGIN, }, + { .mask = MAX77658_BIT_INT_TJ_REG, }, + { .mask = MAX77658_BIT_INT_CHGIN_CTRL, }, + { .mask = MAX77658_BIT_INT_SYS_CTRL, }, + { .mask = MAX77658_BIT_INT_SYS_CNFG, }, +}; + +static const struct regmap_irq_chip max77654_chg_irq_chip = { + .name = "max77654_chg", + .status_base = MAX77658_REG_INT_CHG, + .mask_base = MAX77658_REG_INTM_CHG, + .num_regs = 1, + .irqs = max77658_chg_irqs, + .num_irqs = ARRAY_SIZE(max77658_chg_irqs), +}; + +static const struct regmap_irq_chip max77658_chg_irq_chip = { + .name = "max77658_chg", + .status_base = MAX77658_REG_INT_CHG, + .mask_base = MAX77658_REG_INTM_CHG, + .num_regs = 1, + .irqs = max77658_chg_irqs, + .num_irqs = ARRAY_SIZE(max77658_chg_irqs), +}; + +static const struct regmap_irq max77659_chg_irqs[] = { + { .mask = MAX77658_BIT_INT_THM, }, + { .mask = MAX77658_BIT_INT_CHG, }, + { .mask = MAX77658_BIT_INT_CHGIN, }, + { .mask = MAX77658_BIT_INT_TJ_REG, }, + { .mask = MAX77659_BIT_INT_SYS_CTRL, }, +}; + +static const struct regmap_irq_chip max77659_chg_irq_chip = { + .name = "max77659_chg", + .status_base = MAX77658_REG_INT_CHG, + .mask_base = MAX77658_REG_INTM_CHG, + .num_regs = 1, + .irqs = max77659_chg_irqs, + .num_irqs = ARRAY_SIZE(max77659_chg_irqs), +}; + +static const struct mfd_cell max77643_devs[] = { + MFD_CELL_NAME("max77658-regulator"), +}; + +static const struct mfd_cell max77654_devs[] = { + MFD_CELL_NAME("max77658-regulator"), + MFD_CELL_OF("max77654-charger", NULL, NULL, 0, 0, + "adi,max77654-charger"), +}; + +static const struct mfd_cell max77658_devs[] = { + MFD_CELL_NAME("max77658-regulator"), + MFD_CELL_OF("max77658-charger", NULL, NULL, 0, 0, + "adi,max77658-charger"), + MFD_CELL_OF("max77658-battery", NULL, NULL, 0, 0, + "adi,max77658-battery"), +}; + +static const struct mfd_cell max77659_devs[] = { + MFD_CELL_NAME("max77658-regulator"), + MFD_CELL_OF("max77659-charger", NULL, NULL, 0, 0, + "adi,max77659-charger"), +}; + +static int max77658_pmic_irq_init(struct device *dev) +{ + const struct regmap_irq_chip *glbl0_chip, *glbl1_chip, *chg_chip; + struct max77658_dev *max77658 = dev_get_drvdata(dev); + int ret, i; + + switch (max77658->id) { + case ID_MAX77643: + glbl0_chip = &max77643_glbl0_irq_chip; + glbl1_chip = &max77643_glbl1_irq_chip; + break; + case ID_MAX77654: + glbl0_chip = &max77654_glbl0_irq_chip; + glbl1_chip = &max77654_glbl1_irq_chip; + chg_chip = &max77654_chg_irq_chip; + break; + case ID_MAX77658: + glbl0_chip = &max77658_glbl0_irq_chip; + glbl1_chip = &max77658_glbl1_irq_chip; + chg_chip = &max77658_chg_irq_chip; + break; + case ID_MAX77659: + glbl0_chip = &max77659_glbl0_irq_chip; + glbl1_chip = &max77659_glbl1_irq_chip; + chg_chip = &max77659_chg_irq_chip; + break; + default: + return -EINVAL; + } + + for (i = 0; i < glbl0_chip->num_regs; i++) { + ret = regmap_update_bits(max77658->regmap, + glbl0_chip->mask_base, + (1 << glbl0_chip->irqs[i].reg_offset), + 1); + if (ret) + return dev_err_probe(dev, ret, + "Unable to write Global0 Interrupt Masking register\n"); + } + + for (i = 0; i < glbl1_chip->num_regs; i++) { + ret = regmap_update_bits(max77658->regmap, + glbl1_chip->mask_base, + (1 << glbl1_chip->irqs[i].reg_offset), + 1); + if (ret) + return dev_err_probe(dev, ret, + "Unable to write Global1 Interrupt Masking register\n"); + } + + if (max77658->id != ID_MAX77643) { + for (i = 0; i < chg_chip->num_regs; i++) { + ret = regmap_update_bits(max77658->regmap, + chg_chip->mask_base, + (1 << + chg_chip->irqs[i].reg_offset), + 1); + if (ret) + return dev_err_probe(dev, ret, + "Unable to write Charger Interrupt Masking register\n"); + } + + ret = devm_regmap_add_irq_chip(dev, max77658->regmap, + max77658->irq, + IRQF_ONESHOT | IRQF_SHARED, 0, + chg_chip, &max77658->irqc_chg); + if (ret) + return dev_err_probe(dev, ret, + "Failed to add charger IRQ chip\n"); + } + + ret = devm_regmap_add_irq_chip(dev, max77658->regmap, max77658->irq, + IRQF_ONESHOT | IRQF_SHARED, 0, + glbl0_chip, &max77658->irqc_glbl0); + if (ret) + return dev_err_probe(dev, ret, + "Failed to add global0 IRQ chip\n"); + + return devm_regmap_add_irq_chip(dev, max77658->regmap, max77658->irq, + IRQF_ONESHOT | IRQF_SHARED, 0, + glbl1_chip, &max77658->irqc_glbl1); +} + +static int max77658_i2c_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + struct device *dev = &client->dev; + struct max77658_dev *max77658; + const struct mfd_cell *cells; + struct i2c_client *fuel; + int ret, n_devs; + + max77658 = devm_kzalloc(dev, sizeof(*max77658), GFP_KERNEL); + if (!max77658) + return -ENOMEM; + + i2c_set_clientdata(client, max77658); + max77658->irq = client->irq; + + max77658->id = (enum max77658_ids)device_get_match_data(dev); + if (!max77658->id) + max77658->id = (enum max77658_ids)id->driver_data; + + if (!max77658->id) + return -EINVAL; + + max77658->regmap = devm_regmap_init_i2c(client, + &max77658_regmap_config); + if (IS_ERR(max77658->regmap)) + return dev_err_probe(dev, PTR_ERR(max77658->regmap), + "Failed to initialize regmap\n"); + + fuel = i2c_new_dummy_device(client->adapter, I2C_ADDR_FUEL_GAUGE); + if (IS_ERR(fuel)) + return dev_err_probe(dev, PTR_ERR(fuel), + "Failed to create I2C device[0x%Xh]\n", + I2C_ADDR_FUEL_GAUGE); + + i2c_set_clientdata(fuel, max77658); + + max77658->regmap_fg = devm_regmap_init_i2c(fuel, + &max77658_regmap_config_fg); + if (IS_ERR(max77658->regmap_fg)) + return dev_err_probe(dev, + PTR_ERR(max77658->regmap_fg), + "Failed to initialize I2C device[0x%Xh]\n", + I2C_ADDR_FUEL_GAUGE); + + ret = max77658_pmic_irq_init(dev); + if (ret < 0) + return dev_err_probe(dev, ret, "Failed to initialize IRQ\n"); + + switch (max77658->id) { + case ID_MAX77643: + cells = max77643_devs; + n_devs = ARRAY_SIZE(max77643_devs); + break; + case ID_MAX77654: + cells = max77654_devs; + n_devs = ARRAY_SIZE(max77654_devs); + break; + case ID_MAX77658: + cells = max77658_devs; + n_devs = ARRAY_SIZE(max77658_devs); + break; + case ID_MAX77659: + cells = max77659_devs; + n_devs = ARRAY_SIZE(max77659_devs); + break; + default: + return -EINVAL; + } + + ret = devm_mfd_add_devices(dev, -1, cells, n_devs, NULL, 0, NULL); + if (ret) + return dev_err_probe(dev, ret, "Failed to add sub-devices\n"); + + return device_init_wakeup(dev, true); +} + +static const struct of_device_id max77658_of_id[] = { + { .compatible = "adi,max77643", .data = (void *)ID_MAX77643 }, + { .compatible = "adi,max77654", .data = (void *)ID_MAX77654 }, + { .compatible = "adi,max77658", .data = (void *)ID_MAX77658 }, + { .compatible = "adi,max77659", .data = (void *)ID_MAX77659 }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, max77658_of_id); + +static const struct i2c_device_id max77658_i2c_id[] = { + { "max77643", ID_MAX77643 }, + { "max77654", ID_MAX77654 }, + { "max77658", ID_MAX77658 }, + { "max77659", ID_MAX77659 }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(i2c, max77658_i2c_id); + +static struct i2c_driver max77658_driver = { + .driver = { + .name = "max77658", + .of_match_table = max77658_of_id, + }, + .probe = max77658_i2c_probe, + .id_table = max77658_i2c_id, +}; +module_i2c_driver(max77658_driver); + +MODULE_DESCRIPTION("MAX77658 MFD Driver"); +MODULE_AUTHOR("Nurettin.Bolucu@analog.com, Zeynep.Arslanbenzer@analog.com"); +MODULE_LICENSE("GPL"); diff --git a/include/linux/mfd/max77658.h b/include/linux/mfd/max77658.h new file mode 100644 index 000000000000..a7860f76c61f --- /dev/null +++ b/include/linux/mfd/max77658.h @@ -0,0 +1,80 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ + +#ifndef __MFD_MAX77658_H__ +#define __MFD_MAX77658_H__ + +#include + +#define MAX77658_REG_INT_GLBL0 0x00 +#define MAX77658_REG_INT_CHG 0x01 +#define MAX77658_REG_INT_GLBL1 0x04 +#define MAX77658_REG_INTM_CHG 0x07 +#define MAX77658_REG_INTM_GLBL0 0x08 +#define MAX77658_REG_INTM_GLBL1 0x09 + +#define MAX77654_REG_INTM_GLBL1 0x08 +#define MAX77654_REG_INTM_GLBL0 0x09 + +#define MAX77643_REG_INT_GLBL1 0x01 +#define MAX77643_REG_INTM_GLBL0 0x04 +#define MAX77643_REG_INTM_GLBL1 0x05 + +#define MAX77658_BIT_INT_GLBL0_GPIO0_F BIT(0) +#define MAX77658_BIT_INT_GLBL0_GPIO0_R BIT(1) +#define MAX77658_BIT_INT_GLBL0_EN_F BIT(2) +#define MAX77658_BIT_INT_GLBL0_EN_R BIT(3) +#define MAX77658_BIT_INT_GLBL0_TJAL1_R BIT(4) +#define MAX77658_BIT_INT_GLBL0_TJAL2_R BIT(5) +#define MAX77658_BIT_INT_GLBL0_DOD1_R BIT(6) +#define MAX77658_BIT_INT_GLBL0_DOD0_R BIT(7) + +#define MAX77643_BIT_INT_GLBL0_DOD0_R BIT(6) + +#define MAX77658_BIT_INT_GLBL1_GPI1_F BIT(0) +#define MAX77658_BIT_INT_GLBL1_GPI1_R BIT(1) +#define MAX77658_BIT_INT_GLBL1_SBB0_F BIT(2) +#define MAX77658_BIT_INT_GLBL1_SBB1_F BIT(3) +#define MAX77658_BIT_INT_GLBL1_SBB2_F BIT(4) +#define MAX77658_BIT_INT_GLBL1_LDO0_F BIT(5) +#define MAX77658_BIT_INT_GLBL1_LDO1_F BIT(6) + +#define MAX77659_BIT_INT_GLBL1_SBB_TO BIT(4) + +#define MAX77654_BIT_INT_GLBL1_GPI2_F BIT(2) +#define MAX77654_BIT_INT_GLBL1_GPI2_R BIT(3) +#define MAX77654_BIT_INT_GLBL1_SBB_TO BIT(4) + +#define MAX77658_BIT_INT_THM BIT(0) +#define MAX77658_BIT_INT_CHG BIT(1) +#define MAX77658_BIT_INT_CHGIN BIT(2) +#define MAX77658_BIT_INT_TJ_REG BIT(3) +#define MAX77658_BIT_INT_CHGIN_CTRL BIT(4) +#define MAX77658_BIT_INT_SYS_CTRL BIT(5) +#define MAX77658_BIT_INT_SYS_CNFG BIT(6) + +#define MAX77659_BIT_INT_SYS_CTRL BIT(4) + +enum max77658_ids { + ID_MAX77643 = 1, + ID_MAX77654, + ID_MAX77658, + ID_MAX77659 +}; + +struct device; +struct regmap; +struct regmap_irq_chip_data; + +struct max77658_dev { + enum max77658_ids id; + + int irq; + struct regmap_irq_chip_data *irqc_glbl0; + struct regmap_irq_chip_data *irqc_glbl1; + struct regmap_irq_chip_data *irqc_chg; + + struct regmap *regmap; + struct regmap *regmap_fg; +}; + +#endif /* __MFD_MAX77658_H__ */