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[199.106.103.254]) by smtp.gmail.com with ESMTPSA id s7sm29153pgm.8.2019.06.13.07.24.18 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 13 Jun 2019 07:24:19 -0700 (PDT) From: Jeffrey Hugo To: lgirdwood@gmail.com, broonie@kernel.org Cc: agross@kernel.org, bjorn.andersson@linaro.org, robh+dt@kernel.org, mark.rutland@arm.com, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Jorge Ramirez , Jeffrey Hugo Subject: [PATCH v3 6/7] dt-bindings: qcom_spmi: Document pms405 support Date: Thu, 13 Jun 2019 07:24:16 -0700 Message-Id: <20190613142416.8985-1-jeffrey.l.hugo@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190613142157.8674-1-jeffrey.l.hugo@gmail.com> References: <20190613142157.8674-1-jeffrey.l.hugo@gmail.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Jorge Ramirez The PMS405 supports 5 SMPS and 13 LDO regulators. Signed-off-by: Jorge Ramirez-Ortiz Reviewed-by: Rob Herring Signed-off-by: Jeffrey Hugo --- .../regulator/qcom,spmi-regulator.txt | 24 +++++++++++++++++++ 1 file changed, 24 insertions(+) -- 2.17.1 diff --git a/Documentation/devicetree/bindings/regulator/qcom,spmi-regulator.txt b/Documentation/devicetree/bindings/regulator/qcom,spmi-regulator.txt index ba94bc2d407a..19cffb239094 100644 --- a/Documentation/devicetree/bindings/regulator/qcom,spmi-regulator.txt +++ b/Documentation/devicetree/bindings/regulator/qcom,spmi-regulator.txt @@ -10,6 +10,7 @@ Qualcomm SPMI Regulators "qcom,pm8941-regulators" "qcom,pm8994-regulators" "qcom,pmi8994-regulators" + "qcom,pms405-regulators" - interrupts: Usage: optional @@ -111,6 +112,29 @@ Qualcomm SPMI Regulators Definition: Reference to regulator supplying the input pin, as described in the data sheet. +- vdd_s1-supply: +- vdd_s2-supply: +- vdd_s3-supply: +- vdd_s4-supply: +- vdd_s5-supply: +- vdd_l1-supply: +- vdd_l2-supply: +- vdd_l3-supply: +- vdd_l4-supply: +- vdd_l5-supply: +- vdd_l6-supply: +- vdd_l7-supply: +- vdd_l8-supply: +- vdd_l9-supply: +- vdd_l10-supply: +- vdd_l11-supply: +- vdd_l12-supply: +- vdd_l13-supply: + Usage: optional (pms405 only) + Value type: + Definition: Reference to regulator supplying the input pin, as + described in the data sheet. + - qcom,saw-reg: Usage: optional Value type: From patchwork Thu Jun 13 14:24:25 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jeffrey Hugo X-Patchwork-Id: 166662 Delivered-To: patch@linaro.org Received: by 2002:a92:4782:0:0:0:0:0 with SMTP id e2csp870435ilk; Thu, 13 Jun 2019 08:02:54 -0700 (PDT) X-Google-Smtp-Source: APXvYqw6Wnbrn+lj8enNQFIpwJWCB61rfxMm+tNeYCzgmaj4CCUv6c5BoE/hMLbN8LOFPZgFl2aY X-Received: by 2002:a17:90a:258b:: with SMTP id k11mr5845824pje.110.1560438174364; Thu, 13 Jun 2019 08:02:54 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1560438174; cv=none; d=google.com; s=arc-20160816; b=QbHtTjQgWIgBeME/xVIoJ2iHydHd/DzTzs5hPYpiPfIDtYFE/mEwP1LI21czAiPna/ jVlPeVALR/HIEixs2zwypyZIVgSbC8n2CpalrBbcOkCrK+HRY4SyJiAcYhE31ciwuvca hGMXBskYnQvgMKrtFLOJQagPbrZvF8DUr2RulI/ZTwM8fSGOaeMUNKgVF/sCkb1afMF9 DTzjBNxWEETH/GwJvxaS5CI7E9V+wIzLfhwZsnXzZDJN9vA5yieAMSim/gswLB8Xdk7v jrdVOUmsJK2qh6Wl++QKu1YHWOwLFxewIpFWTaqBOs+vT56l5tt9iW0SpDFw2ObUgY9D cPVQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:references:in-reply-to:message-id:date :subject:cc:to:from:dkim-signature; bh=2ro+lP/FA6+DcoZSPcQtKQmHJBN8Sm7FF/ObqevYH60=; b=T1fG+pg65tOsbhHK2glHRvDkW+cDr2Wh+4pEDpazu+N2RZRA9utTW5TwoRAuSXr2KU F/3kcfHjcQ20Ax/2/6r58hhC3XBBDdJ5/WByLVeheVWaRqRulvScmZwswFaB+wte5W/b NjfbXi+VBOm5LvwS/2N0/dOHQLT1KC7KIggVEEajjd94tdkrFJ7/P1atDmH5imri7FEA ZFL4K4eQyUK8o160YtrW+49VYK8VSY74lXUon25ah9zwbFincAFQu7lIWNqImJd+ze7+ S0wSDYjC5iUhIcTA43iHx/ljIC4cbu6jZWUdVU0i6Wce8gpgDiapCEmKsUAurxrf4gHF HPKw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@gmail.com header.s=20161025 header.b=mT5cBduf; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. 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[199.106.103.254]) by smtp.gmail.com with ESMTPSA id n26sm3750384pfa.83.2019.06.13.07.24.29 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 13 Jun 2019 07:24:30 -0700 (PDT) From: Jeffrey Hugo To: lgirdwood@gmail.com, broonie@kernel.org Cc: agross@kernel.org, bjorn.andersson@linaro.org, robh+dt@kernel.org, mark.rutland@arm.com, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Jorge Ramirez , Jeffrey Hugo Subject: [PATCH v3 7/7] drivers: regulator: qcom: add PMS405 SPMI regulator Date: Thu, 13 Jun 2019 07:24:25 -0700 Message-Id: <20190613142425.9036-1-jeffrey.l.hugo@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190613142157.8674-1-jeffrey.l.hugo@gmail.com> References: <20190613142157.8674-1-jeffrey.l.hugo@gmail.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Jorge Ramirez The PMS405 has 5 HFSMPS and 13 LDO regulators, This commit adds support for one of the 5 HFSMPS regulators (s3) to the spmi regulator driver. The PMIC HFSMPS 430 regulators have 8 mV step size and a voltage control scheme consisting of two 8-bit registers defining a 16-bit voltage set point in units of millivolts S3 controls the cpu voltages (s3 is a buck regulator of type HFS430); it is therefore required so we can enable voltage scaling for safely running cpufreq. Signed-off-by: Jorge Ramirez-Ortiz Signed-off-by: Jeffrey Hugo --- drivers/regulator/qcom_spmi-regulator.c | 41 +++++++++++++++++++++++-- 1 file changed, 38 insertions(+), 3 deletions(-) -- 2.17.1 diff --git a/drivers/regulator/qcom_spmi-regulator.c b/drivers/regulator/qcom_spmi-regulator.c index c7880c1d4bcd..975655e787fe 100644 --- a/drivers/regulator/qcom_spmi-regulator.c +++ b/drivers/regulator/qcom_spmi-regulator.c @@ -105,6 +105,7 @@ enum spmi_regulator_logical_type { SPMI_REGULATOR_LOGICAL_TYPE_ULT_HO_SMPS, SPMI_REGULATOR_LOGICAL_TYPE_ULT_LDO, SPMI_REGULATOR_LOGICAL_TYPE_FTSMPS426, + SPMI_REGULATOR_LOGICAL_TYPE_HFS430, }; enum spmi_regulator_type { @@ -157,6 +158,7 @@ enum spmi_regulator_subtype { SPMI_REGULATOR_SUBTYPE_ULT_HF_CTL2 = 0x0e, SPMI_REGULATOR_SUBTYPE_ULT_HF_CTL3 = 0x0f, SPMI_REGULATOR_SUBTYPE_ULT_HF_CTL4 = 0x10, + SPMI_REGULATOR_SUBTYPE_HFS430 = 0x0a, }; enum spmi_common_regulator_registers { @@ -302,6 +304,8 @@ enum spmi_common_control_register_index { /* Clock rate in kHz of the FTSMPS426 regulator reference clock. */ #define SPMI_FTSMPS426_CLOCK_RATE 4800 +#define SPMI_HFS430_CLOCK_RATE 1600 + /* Minimum voltage stepper delay for each step. */ #define SPMI_FTSMPS426_STEP_DELAY 2 @@ -515,6 +519,10 @@ static struct spmi_voltage_range ult_pldo_ranges[] = { SPMI_VOLTAGE_RANGE(0, 1750000, 1750000, 3337500, 3337500, 12500), }; +static struct spmi_voltage_range hfs430_ranges[] = { + SPMI_VOLTAGE_RANGE(0, 320000, 320000, 2040000, 2040000, 8000), +}; + static DEFINE_SPMI_SET_POINTS(pldo); static DEFINE_SPMI_SET_POINTS(nldo1); static DEFINE_SPMI_SET_POINTS(nldo2); @@ -530,6 +538,7 @@ static DEFINE_SPMI_SET_POINTS(ult_lo_smps); static DEFINE_SPMI_SET_POINTS(ult_ho_smps); static DEFINE_SPMI_SET_POINTS(ult_nldo); static DEFINE_SPMI_SET_POINTS(ult_pldo); +static DEFINE_SPMI_SET_POINTS(hfs430); static inline int spmi_vreg_read(struct spmi_regulator *vreg, u16 addr, u8 *buf, int len) @@ -1397,12 +1406,24 @@ static struct regulator_ops spmi_ftsmps426_ops = { .set_pull_down = spmi_regulator_common_set_pull_down, }; +static struct regulator_ops spmi_hfs430_ops = { + /* always on regulators */ + .set_voltage_sel = spmi_regulator_ftsmps426_set_voltage, + .set_voltage_time_sel = spmi_regulator_set_voltage_time_sel, + .get_voltage = spmi_regulator_ftsmps426_get_voltage, + .map_voltage = spmi_regulator_single_map_voltage, + .list_voltage = spmi_regulator_common_list_voltage, + .set_mode = spmi_regulator_ftsmps426_set_mode, + .get_mode = spmi_regulator_ftsmps426_get_mode, +}; + /* Maximum possible digital major revision value */ #define INF 0xFF static const struct spmi_regulator_mapping supported_regulators[] = { /* type subtype dig_min dig_max ltype ops setpoints hpm_min */ SPMI_VREG(BUCK, GP_CTL, 0, INF, SMPS, smps, smps, 100000), + SPMI_VREG(BUCK, HFS430, 0, INF, HFS430, hfs430, hfs430, 10000), SPMI_VREG(LDO, N300, 0, INF, LDO, ldo, nldo1, 10000), SPMI_VREG(LDO, N600, 0, 0, LDO, ldo, nldo2, 10000), SPMI_VREG(LDO, N1200, 0, 0, LDO, ldo, nldo2, 10000), @@ -1570,7 +1591,8 @@ static int spmi_regulator_init_slew_rate(struct spmi_regulator *vreg) return ret; } -static int spmi_regulator_init_slew_rate_ftsmps426(struct spmi_regulator *vreg) +static int spmi_regulator_init_slew_rate_ftsmps426(struct spmi_regulator *vreg, + int clock_rate) { int ret; u8 reg = 0; @@ -1587,7 +1609,7 @@ static int spmi_regulator_init_slew_rate_ftsmps426(struct spmi_regulator *vreg) delay >>= SPMI_FTSMPS426_STEP_CTRL_DELAY_SHIFT; /* slew_rate has units of uV/us */ - slew_rate = SPMI_FTSMPS426_CLOCK_RATE * range->step_uV; + slew_rate = clock_rate * range->step_uV; slew_rate /= 1000 * (SPMI_FTSMPS426_STEP_DELAY << delay); slew_rate *= SPMI_FTSMPS426_STEP_MARGIN_NUM; slew_rate /= SPMI_FTSMPS426_STEP_MARGIN_DEN; @@ -1739,7 +1761,14 @@ static int spmi_regulator_of_parse(struct device_node *node, return ret; break; case SPMI_REGULATOR_LOGICAL_TYPE_FTSMPS426: - ret = spmi_regulator_init_slew_rate_ftsmps426(vreg); + ret = spmi_regulator_init_slew_rate_ftsmps426(vreg, + SPMI_FTSMPS426_CLOCK_RATE); + if (ret) + return ret; + break; + case SPMI_REGULATOR_LOGICAL_TYPE_HFS430: + ret = spmi_regulator_init_slew_rate_ftsmps426(vreg, + SPMI_HFS430_CLOCK_RATE); if (ret) return ret; break; @@ -1907,6 +1936,11 @@ static const struct spmi_regulator_data pm8005_regulators[] = { { } }; +static const struct spmi_regulator_data pms405_regulators[] = { + { "s3", 0x1a00, }, /* supply name in the dts only */ + { } +}; + static const struct of_device_id qcom_spmi_regulator_match[] = { { .compatible = "qcom,pm8005-regulators", .data = &pm8005_regulators }, { .compatible = "qcom,pm8841-regulators", .data = &pm8841_regulators }, @@ -1914,6 +1948,7 @@ static const struct of_device_id qcom_spmi_regulator_match[] = { { .compatible = "qcom,pm8941-regulators", .data = &pm8941_regulators }, { .compatible = "qcom,pm8994-regulators", .data = &pm8994_regulators }, { .compatible = "qcom,pmi8994-regulators", .data = &pmi8994_regulators }, + { .compatible = "qcom,pms405-regulators", .data = &pms405_regulators }, { } }; MODULE_DEVICE_TABLE(of, qcom_spmi_regulator_match);