From patchwork Wed Nov 30 11:28:52 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Abel Vesa X-Patchwork-Id: 629531 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 C3E9EC46467 for ; Wed, 30 Nov 2022 11:30:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232474AbiK3LaA (ORCPT ); Wed, 30 Nov 2022 06:30:00 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51588 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234222AbiK3L3r (ORCPT ); Wed, 30 Nov 2022 06:29:47 -0500 Received: from mail-ej1-x635.google.com (mail-ej1-x635.google.com [IPv6:2a00:1450:4864:20::635]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 99E8826115 for ; Wed, 30 Nov 2022 03:29:29 -0800 (PST) Received: by mail-ej1-x635.google.com with SMTP id ud5so40585692ejc.4 for ; Wed, 30 Nov 2022 03:29:29 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=BDlfvZiCltaFwWrxIrbNKlhGCQpfErljR0Lh1JgpyPI=; b=agqc9Yr77sGb+cXNvT67wBV2QrwQ1szefEVCeSiVF/tiLlaMx3S154ISDUVsE/b3Eg QeEevrDtWTfr8FlFRx6pwinKNcpSLkUR5gIxGFz4d+UPT4GZQDww8ewtgqtq3abeQ2eT CMZ3A+KUnOcpBHh7DqKqtF9gBBo16MFvcxUEziY9hur0aovU1DnCNY2clS5AS8lN1Oc0 OPq6pjLK3kJRWXl18VCGX4nIiCkW0v8+NiQfuupGQUw2erg0Wlq5V5dnnHOf5GGe4rwQ KQU4sLgzh6EpYpwicpDAQvYbhDwBGv9g893aNz8yharXzp+5t56iXVCw66+vX5cTvfg7 A+RQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=BDlfvZiCltaFwWrxIrbNKlhGCQpfErljR0Lh1JgpyPI=; b=FRhu1m4u6YSfysIZunnCVCNYDObGeDDtQ20O+GetuRCewUB5m6l3Y2fMAIVS/tWuCY ejiW6vDVFs/HGTt2BjtwNgsNLfPeuFLMB3AAFCJqTwTjlSr47d4OgNcUE/Q4f52SJ1tg BNzlAlUnIEyBA7ha1mFvkQ9LxjP4xzRNEUB4pm4I/3ejkCy9TRxWzMSVEGdMO5YOAxsO esPCPiwrLKeLpH409uXmQ3rpUhoa3qo9Rhfdukb3Lvj0stdqVAxpzt9MTu1CxC4kpzCc icqAjsw3vbWU3xy0ajMjLo7D3uEXZfF8jKAvz60Sdp+w9ffmkg/jFWuO5kGbme439OFi IjhQ== X-Gm-Message-State: ANoB5pkCE4+cuRLfiGxdsEqEvh6rozzaieYifZCm1Z7Qo7dEnpKxgNye +CObCCoYuEp8Jpz1ynGhFwY4zw== X-Google-Smtp-Source: AA0mqf48KmpnhmwQReTdiO/3TkfX42KLxkoyrr7xr2FdQAQnxDaBKMoTMgohgRtrPYUVr247XCMhPg== X-Received: by 2002:a17:906:a0d7:b0:7b2:7af0:c231 with SMTP id bh23-20020a170906a0d700b007b27af0c231mr9853452ejb.240.1669807768058; Wed, 30 Nov 2022 03:29:28 -0800 (PST) Received: from hackbox.lan ([94.52.112.99]) by smtp.gmail.com with ESMTPSA id x10-20020a1709060a4a00b007c073be0127sm521593ejf.202.2022.11.30.03.29.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 30 Nov 2022 03:29:27 -0800 (PST) From: Abel Vesa To: Andy Gross , Bjorn Andersson , Konrad Dybcio , Mike Turquette , Stephen Boyd , Rob Herring , Krzysztof Kozlowski Cc: Linux Kernel Mailing List , devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-clk@vger.kernel.org Subject: [PATCH v4 9/9] clk: qcom: Add TCSR clock driver for SM8550 Date: Wed, 30 Nov 2022 13:28:52 +0200 Message-Id: <20221130112852.2977816-10-abel.vesa@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20221130112852.2977816-1-abel.vesa@linaro.org> References: <20221130112852.2977816-1-abel.vesa@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org The TCSR clock controller found on SM8550 provides refclks for PCIE, USB and UFS. Add clock driver for it. This patch is based on initial code downstream. Signed-off-by: Abel Vesa Reviewed-by: Konrad Dybcio --- drivers/clk/qcom/Kconfig | 7 ++ drivers/clk/qcom/Makefile | 1 + drivers/clk/qcom/tcsrcc-sm8550.c | 193 +++++++++++++++++++++++++++++++ 3 files changed, 201 insertions(+) create mode 100644 drivers/clk/qcom/tcsrcc-sm8550.c diff --git a/drivers/clk/qcom/Kconfig b/drivers/clk/qcom/Kconfig index e2cfa9c74bcf..67ce8c4d3ff9 100644 --- a/drivers/clk/qcom/Kconfig +++ b/drivers/clk/qcom/Kconfig @@ -779,6 +779,13 @@ config SM_GPUCC_8350 Say Y if you want to support graphics controller devices and functionality such as 3D graphics. +config SM_TCSRCC_8550 + tristate "SM8550 TCSR Clock Controller" + select QCOM_GDSC + help + Support for the TCSR clock controller on SM8550 devices. + Say Y if you want to use peripheral devices such as SD/UFS. + config SM_VIDEOCC_8150 tristate "SM8150 Video Clock Controller" select SM_GCC_8150 diff --git a/drivers/clk/qcom/Makefile b/drivers/clk/qcom/Makefile index 06ae671bdea6..29469f1290e6 100644 --- a/drivers/clk/qcom/Makefile +++ b/drivers/clk/qcom/Makefile @@ -110,6 +110,7 @@ obj-$(CONFIG_SM_GPUCC_6350) += gpucc-sm6350.o obj-$(CONFIG_SM_GPUCC_8150) += gpucc-sm8150.o obj-$(CONFIG_SM_GPUCC_8250) += gpucc-sm8250.o obj-$(CONFIG_SM_GPUCC_8350) += gpucc-sm8350.o +obj-$(CONFIG_SM_TCSRCC_8550) += tcsrcc-sm8550.o obj-$(CONFIG_SM_VIDEOCC_8150) += videocc-sm8150.o obj-$(CONFIG_SM_VIDEOCC_8250) += videocc-sm8250.o obj-$(CONFIG_SPMI_PMIC_CLKDIV) += clk-spmi-pmic-div.o diff --git a/drivers/clk/qcom/tcsrcc-sm8550.c b/drivers/clk/qcom/tcsrcc-sm8550.c new file mode 100644 index 000000000000..a1395d01a536 --- /dev/null +++ b/drivers/clk/qcom/tcsrcc-sm8550.c @@ -0,0 +1,193 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (c) 2021, The Linux Foundation. All rights reserved. + * Copyright (c) 2022, Qualcomm Innovation Center, Inc. All rights reserved. + * Copyright (c) 2022, Linaro Limited + */ + +#include +#include +#include +#include + +#include + +#include "clk-alpha-pll.h" +#include "clk-branch.h" +#include "clk-pll.h" +#include "clk-rcg.h" +#include "clk-regmap.h" +#include "clk-regmap-divider.h" +#include "clk-regmap-mux.h" +#include "common.h" +#include "reset.h" + +enum { + DT_BI_TCXO, + DT_BI_TCXO_PAD, +}; + +static struct clk_branch tcsr_pcie_0_clkref_en = { + .halt_reg = 0x15100, + .halt_check = BRANCH_HALT_SKIP, + .clkr = { + .enable_reg = 0x15100, + .enable_mask = BIT(0), + .hw.init = &(struct clk_init_data){ + .name = "tcsr_pcie_0_clkref_en", + .parent_data = &(const struct clk_parent_data){ + .index = DT_BI_TCXO, + }, + .num_parents = 1, + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch tcsr_pcie_1_clkref_en = { + .halt_reg = 0x15114, + .halt_check = BRANCH_HALT_SKIP, + .clkr = { + .enable_reg = 0x15114, + .enable_mask = BIT(0), + .hw.init = &(struct clk_init_data){ + .name = "tcsr_pcie_1_clkref_en", + .parent_data = &(const struct clk_parent_data){ + .index = DT_BI_TCXO, + }, + .num_parents = 1, + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch tcsr_ufs_clkref_en = { + .halt_reg = 0x15110, + .halt_check = BRANCH_HALT_SKIP, + .clkr = { + .enable_reg = 0x15110, + .enable_mask = BIT(0), + .hw.init = &(struct clk_init_data){ + .name = "tcsr_ufs_clkref_en", + .parent_data = &(const struct clk_parent_data){ + .index = DT_BI_TCXO, + }, + .num_parents = 1, + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch tcsr_ufs_pad_clkref_en = { + .halt_reg = 0x15104, + .halt_check = BRANCH_HALT_SKIP, + .clkr = { + .enable_reg = 0x15104, + .enable_mask = BIT(0), + .hw.init = &(struct clk_init_data){ + .name = "tcsr_ufs_pad_clkref_en", + .parent_data = &(const struct clk_parent_data){ + .index = DT_BI_TCXO, + }, + .num_parents = 1, + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch tcsr_usb2_clkref_en = { + .halt_reg = 0x15118, + .halt_check = BRANCH_HALT_SKIP, + .clkr = { + .enable_reg = 0x15118, + .enable_mask = BIT(0), + .hw.init = &(struct clk_init_data){ + .name = "tcsr_usb2_clkref_en", + .parent_data = &(const struct clk_parent_data){ + .index = DT_BI_TCXO_PAD, + }, + .num_parents = 1, + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch tcsr_usb3_clkref_en = { + .halt_reg = 0x15108, + .halt_check = BRANCH_HALT_SKIP, + .clkr = { + .enable_reg = 0x15108, + .enable_mask = BIT(0), + .hw.init = &(struct clk_init_data){ + .name = "tcsr_usb3_clkref_en", + .parent_data = &(const struct clk_parent_data){ + .index = DT_BI_TCXO, + }, + .num_parents = 1, + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_regmap *tcsr_cc_sm8550_clocks[] = { + [TCSR_PCIE_0_CLKREF_EN] = &tcsr_pcie_0_clkref_en.clkr, + [TCSR_PCIE_1_CLKREF_EN] = &tcsr_pcie_1_clkref_en.clkr, + [TCSR_UFS_CLKREF_EN] = &tcsr_ufs_clkref_en.clkr, + [TCSR_UFS_PAD_CLKREF_EN] = &tcsr_ufs_pad_clkref_en.clkr, + [TCSR_USB2_CLKREF_EN] = &tcsr_usb2_clkref_en.clkr, + [TCSR_USB3_CLKREF_EN] = &tcsr_usb3_clkref_en.clkr, +}; + +static const struct regmap_config tcsr_cc_sm8550_regmap_config = { + .reg_bits = 32, + .reg_stride = 4, + .val_bits = 32, + .max_register = 0x2f000, + .fast_io = true, +}; + +static const struct qcom_cc_desc tcsr_cc_sm8550_desc = { + .config = &tcsr_cc_sm8550_regmap_config, + .clks = tcsr_cc_sm8550_clocks, + .num_clks = ARRAY_SIZE(tcsr_cc_sm8550_clocks), +}; + +static const struct of_device_id tcsr_cc_sm8550_match_table[] = { + { .compatible = "qcom,sm8550-tcsrcc" }, + { } +}; +MODULE_DEVICE_TABLE(of, tcsr_cc_sm8550_match_table); + +static int tcsr_cc_sm8550_probe(struct platform_device *pdev) +{ + struct regmap *regmap; + + regmap = qcom_cc_map(pdev, &tcsr_cc_sm8550_desc); + if (IS_ERR(regmap)) + return PTR_ERR(regmap); + + return qcom_cc_really_probe(pdev, &tcsr_cc_sm8550_desc, regmap); +} + +static struct platform_driver tcsr_cc_sm8550_driver = { + .probe = tcsr_cc_sm8550_probe, + .driver = { + .name = "tcsr_cc-sm8550", + .of_match_table = tcsr_cc_sm8550_match_table, + }, +}; + +static int __init tcsr_cc_sm8550_init(void) +{ + return platform_driver_register(&tcsr_cc_sm8550_driver); +} +subsys_initcall(tcsr_cc_sm8550_init); + +static void __exit tcsr_cc_sm8550_exit(void) +{ + platform_driver_unregister(&tcsr_cc_sm8550_driver); +} +module_exit(tcsr_cc_sm8550_exit); + +MODULE_DESCRIPTION("QTI TCSRCC SM8550 Driver"); +MODULE_LICENSE("GPL");