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Sun, 28 Jan 2024 14:52:53 -0800 (PST) Received: from [127.0.1.1] ([79.115.23.25]) by smtp.gmail.com with ESMTPSA id k11-20020a1709061c0b00b00a30cd599285sm3259996ejg.223.2024.01.28.14.52.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 28 Jan 2024 14:52:52 -0800 (PST) From: Abel Vesa Date: Mon, 29 Jan 2024 00:52:22 +0200 Subject: [PATCH v3 09/10] clk: qcom: Add TCSR clock driver for x1e80100 Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240129-x1e80100-clock-controllers-v3-9-d96dacfed104@linaro.org> References: <20240129-x1e80100-clock-controllers-v3-0-d96dacfed104@linaro.org> In-Reply-To: <20240129-x1e80100-clock-controllers-v3-0-d96dacfed104@linaro.org> To: Andy Gross , Bjorn Andersson , Konrad Dybcio , Michael Turquette , Stephen Boyd , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Philipp Zabel , Neil Armstrong , Vladimir Zapolskiy , Dmitry Baryshkov Cc: linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-clk@vger.kernel.org, devicetree@vger.kernel.org, Abel Vesa X-Mailer: b4 0.12.4 X-Developer-Signature: v=1; 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a=openpgp; fpr=6AFF162D57F4223A8770EF5AF7BF214136F41FAE The TCSR clock controller found on X1E80100 provides refclks for PCIE, USB and UFS. Add clock driver for it. Signed-off-by: Abel Vesa Reviewed-by: Konrad Dybcio --- drivers/clk/qcom/Kconfig | 8 ++ drivers/clk/qcom/Makefile | 1 + drivers/clk/qcom/tcsrcc-x1e80100.c | 285 +++++++++++++++++++++++++++++++++++++ 3 files changed, 294 insertions(+) diff --git a/drivers/clk/qcom/Kconfig b/drivers/clk/qcom/Kconfig index d66934ca5e94..0633728c870c 100644 --- a/drivers/clk/qcom/Kconfig +++ b/drivers/clk/qcom/Kconfig @@ -49,6 +49,14 @@ config CLK_X1E80100_GPUCC Say Y if you want to support graphics controller devices and functionality such as 3D graphics. +config CLK_X1E80100_TCSRCC + tristate "X1E80100 TCSR Clock Controller" + depends on ARM64 || COMPILE_TEST + select QCOM_GDSC + help + Support for the TCSR clock controller on X1E80100 devices. + Say Y if you want to use peripheral devices such as SD/UFS. + config QCOM_A53PLL tristate "MSM8916 A53 PLL" help diff --git a/drivers/clk/qcom/Makefile b/drivers/clk/qcom/Makefile index a037a29e9d61..750b084553c6 100644 --- a/drivers/clk/qcom/Makefile +++ b/drivers/clk/qcom/Makefile @@ -24,6 +24,7 @@ obj-$(CONFIG_CLK_GFM_LPASS_SM8250) += lpass-gfm-sm8250.o obj-$(CONFIG_CLK_X1E80100_DISPCC) += dispcc-x1e80100.o obj-$(CONFIG_CLK_X1E80100_GCC) += gcc-x1e80100.o obj-$(CONFIG_CLK_X1E80100_GPUCC) += gpucc-x1e80100.o +obj-$(CONFIG_CLK_X1E80100_TCSRCC) += tcsrcc-x1e80100.o obj-$(CONFIG_IPQ_APSS_PLL) += apss-ipq-pll.o obj-$(CONFIG_IPQ_APSS_6018) += apss-ipq6018.o obj-$(CONFIG_IPQ_GCC_4019) += gcc-ipq4019.o diff --git a/drivers/clk/qcom/tcsrcc-x1e80100.c b/drivers/clk/qcom/tcsrcc-x1e80100.c new file mode 100644 index 000000000000..ff61769a0807 --- /dev/null +++ b/drivers/clk/qcom/tcsrcc-x1e80100.c @@ -0,0 +1,285 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (c) 2022, Qualcomm Innovation Center, Inc. All rights reserved. + * Copyright (c) 2023, Linaro Limited + */ + +#include +#include +#include +#include +#include + +#include + +#include "clk-branch.h" +#include "clk-regmap.h" +#include "common.h" +#include "reset.h" + +enum { + DT_BI_TCXO_PAD, +}; + +static struct clk_branch tcsr_edp_clkref_en = { + .halt_reg = 0x15130, + .halt_check = BRANCH_HALT_DELAY, + .clkr = { + .enable_reg = 0x15130, + .enable_mask = BIT(0), + .hw.init = &(const struct clk_init_data) { + .name = "tcsr_edp_clkref_en", + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch tcsr_pcie_2l_4_clkref_en = { + .halt_reg = 0x15100, + .halt_check = BRANCH_HALT_DELAY, + .clkr = { + .enable_reg = 0x15100, + .enable_mask = BIT(0), + .hw.init = &(struct clk_init_data){ + .name = "tcsr_pcie_2l_4_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_pcie_2l_5_clkref_en = { + .halt_reg = 0x15104, + .halt_check = BRANCH_HALT_DELAY, + .clkr = { + .enable_reg = 0x15104, + .enable_mask = BIT(0), + .hw.init = &(struct clk_init_data){ + .name = "tcsr_pcie_2l_5_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_pcie_8l_clkref_en = { + .halt_reg = 0x15108, + .halt_check = BRANCH_HALT_DELAY, + .clkr = { + .enable_reg = 0x15108, + .enable_mask = BIT(0), + .hw.init = &(struct clk_init_data){ + .name = "tcsr_pcie_8l_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_mp0_clkref_en = { + .halt_reg = 0x1510c, + .halt_check = BRANCH_HALT_DELAY, + .clkr = { + .enable_reg = 0x1510c, + .enable_mask = BIT(0), + .hw.init = &(struct clk_init_data){ + .name = "tcsr_usb3_mp0_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_mp1_clkref_en = { + .halt_reg = 0x15110, + .halt_check = BRANCH_HALT_DELAY, + .clkr = { + .enable_reg = 0x15110, + .enable_mask = BIT(0), + .hw.init = &(struct clk_init_data){ + .name = "tcsr_usb3_mp1_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_usb2_1_clkref_en = { + .halt_reg = 0x15114, + .halt_check = BRANCH_HALT_DELAY, + .clkr = { + .enable_reg = 0x15114, + .enable_mask = BIT(0), + .hw.init = &(struct clk_init_data){ + .name = "tcsr_usb2_1_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_ufs_phy_clkref_en = { + .halt_reg = 0x15118, + .halt_check = BRANCH_HALT_DELAY, + .clkr = { + .enable_reg = 0x15118, + .enable_mask = BIT(0), + .hw.init = &(struct clk_init_data){ + .name = "tcsr_ufs_phy_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_usb4_1_clkref_en = { + .halt_reg = 0x15120, + .halt_check = BRANCH_HALT_DELAY, + .clkr = { + .enable_reg = 0x15120, + .enable_mask = BIT(0), + .hw.init = &(struct clk_init_data){ + .name = "tcsr_usb4_1_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_usb4_2_clkref_en = { + .halt_reg = 0x15124, + .halt_check = BRANCH_HALT_DELAY, + .clkr = { + .enable_reg = 0x15124, + .enable_mask = BIT(0), + .hw.init = &(struct clk_init_data){ + .name = "tcsr_usb4_2_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_usb2_2_clkref_en = { + .halt_reg = 0x15128, + .halt_check = BRANCH_HALT_DELAY, + .clkr = { + .enable_reg = 0x15128, + .enable_mask = BIT(0), + .hw.init = &(struct clk_init_data){ + .name = "tcsr_usb2_2_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_pcie_4l_clkref_en = { + .halt_reg = 0x1512c, + .halt_check = BRANCH_HALT_DELAY, + .clkr = { + .enable_reg = 0x1512c, + .enable_mask = BIT(0), + .hw.init = &(struct clk_init_data){ + .name = "tcsr_pcie_4l_clkref_en", + .parent_data = &(const struct clk_parent_data){ + .index = DT_BI_TCXO_PAD, + }, + .num_parents = 1, + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_regmap *tcsr_cc_x1e80100_clocks[] = { + [TCSR_EDP_CLKREF_EN] = &tcsr_edp_clkref_en.clkr, + [TCSR_PCIE_2L_4_CLKREF_EN] = &tcsr_pcie_2l_4_clkref_en.clkr, + [TCSR_PCIE_2L_5_CLKREF_EN] = &tcsr_pcie_2l_5_clkref_en.clkr, + [TCSR_PCIE_8L_CLKREF_EN] = &tcsr_pcie_8l_clkref_en.clkr, + [TCSR_USB3_MP0_CLKREF_EN] = &tcsr_usb3_mp0_clkref_en.clkr, + [TCSR_USB3_MP1_CLKREF_EN] = &tcsr_usb3_mp1_clkref_en.clkr, + [TCSR_USB2_1_CLKREF_EN] = &tcsr_usb2_1_clkref_en.clkr, + [TCSR_UFS_PHY_CLKREF_EN] = &tcsr_ufs_phy_clkref_en.clkr, + [TCSR_USB4_1_CLKREF_EN] = &tcsr_usb4_1_clkref_en.clkr, + [TCSR_USB4_2_CLKREF_EN] = &tcsr_usb4_2_clkref_en.clkr, + [TCSR_USB2_2_CLKREF_EN] = &tcsr_usb2_2_clkref_en.clkr, + [TCSR_PCIE_4L_CLKREF_EN] = &tcsr_pcie_4l_clkref_en.clkr, +}; + +static const struct regmap_config tcsr_cc_x1e80100_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_x1e80100_desc = { + .config = &tcsr_cc_x1e80100_regmap_config, + .clks = tcsr_cc_x1e80100_clocks, + .num_clks = ARRAY_SIZE(tcsr_cc_x1e80100_clocks), +}; + +static const struct of_device_id tcsr_cc_x1e80100_match_table[] = { + { .compatible = "qcom,x1e80100-tcsr" }, + { } +}; +MODULE_DEVICE_TABLE(of, tcsr_cc_x1e80100_match_table); + +static int tcsr_cc_x1e80100_probe(struct platform_device *pdev) +{ + return qcom_cc_probe(pdev, &tcsr_cc_x1e80100_desc); +} + +static struct platform_driver tcsr_cc_x1e80100_driver = { + .probe = tcsr_cc_x1e80100_probe, + .driver = { + .name = "tcsrcc-x1e80100", + .of_match_table = tcsr_cc_x1e80100_match_table, + }, +}; + +static int __init tcsr_cc_x1e80100_init(void) +{ + return platform_driver_register(&tcsr_cc_x1e80100_driver); +} +subsys_initcall(tcsr_cc_x1e80100_init); + +static void __exit tcsr_cc_x1e80100_exit(void) +{ + platform_driver_unregister(&tcsr_cc_x1e80100_driver); +} +module_exit(tcsr_cc_x1e80100_exit); + +MODULE_DESCRIPTION("QTI TCSR Clock Controller X1E80100 Driver"); +MODULE_LICENSE("GPL");