From 2c1d6ce4f3da622773a7a6be570e4dfbf2cefbb7 Mon Sep 17 00:00:00 2001 From: Taniya Das Date: Mon, 25 Aug 2025 23:49:10 +0530 Subject: [PATCH] clk: qcom: Add TCSR clock driver for Glymur SoC Add a clock driver for the TCSR clock controller found on Glymur SoC, which provides refclks for PCIE, USB, and UFS subsystems. Reviewed-by: Dmitry Baryshkov Reviewed-by: Abel Vesa Signed-off-by: Taniya Das Link: https://lore.kernel.org/r/20250825-glymur-clock-controller-v5-v5-3-01b8c8681bcd@oss.qualcomm.com Signed-off-by: Bjorn Andersson --- drivers/clk/qcom/Kconfig | 8 + drivers/clk/qcom/Makefile | 1 + drivers/clk/qcom/tcsrcc-glymur.c | 313 +++++++++++++++++++++++++++++++ 3 files changed, 322 insertions(+) create mode 100644 drivers/clk/qcom/tcsrcc-glymur.c diff --git a/drivers/clk/qcom/Kconfig b/drivers/clk/qcom/Kconfig index b1cd2fec226a..384749a30a4a 100644 --- a/drivers/clk/qcom/Kconfig +++ b/drivers/clk/qcom/Kconfig @@ -29,6 +29,14 @@ config CLK_GLYMUR_DISPCC Say Y if you want to support display devices and functionality such as splash screen. +config CLK_GLYMUR_TCSRCC + tristate "GLYMUR TCSR Clock Controller" + depends on ARM64 || COMPILE_TEST + select QCOM_GDSC + help + Support for the TCSR clock controller on GLYMUR devices. + Say Y if you want to use peripheral devices such as USB/PCIe/EDP. + config CLK_X1E80100_CAMCC tristate "X1E80100 Camera Clock Controller" depends on ARM64 || COMPILE_TEST diff --git a/drivers/clk/qcom/Makefile b/drivers/clk/qcom/Makefile index 064b4f2064d6..b0dde56a0dc2 100644 --- a/drivers/clk/qcom/Makefile +++ b/drivers/clk/qcom/Makefile @@ -22,6 +22,7 @@ obj-$(CONFIG_APQ_GCC_8084) += gcc-apq8084.o obj-$(CONFIG_APQ_MMCC_8084) += mmcc-apq8084.o obj-$(CONFIG_CLK_GFM_LPASS_SM8250) += lpass-gfm-sm8250.o obj-$(CONFIG_CLK_GLYMUR_DISPCC) += dispcc-glymur.o +obj-$(CONFIG_CLK_GLYMUR_TCSRCC) += tcsrcc-glymur.o obj-$(CONFIG_CLK_X1E80100_CAMCC) += camcc-x1e80100.o obj-$(CONFIG_CLK_X1E80100_DISPCC) += dispcc-x1e80100.o obj-$(CONFIG_CLK_X1E80100_GCC) += gcc-x1e80100.o diff --git a/drivers/clk/qcom/tcsrcc-glymur.c b/drivers/clk/qcom/tcsrcc-glymur.c new file mode 100644 index 000000000000..c1f8b6d10b7f --- /dev/null +++ b/drivers/clk/qcom/tcsrcc-glymur.c @@ -0,0 +1,313 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (c) 2025, Qualcomm Technologies, Inc. and/or its subsidiaries. + */ + +#include +#include +#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 "gdsc.h" +#include "reset.h" + +enum { + DT_BI_TCXO_PAD, +}; + +static struct clk_branch tcsr_edp_clkref_en = { + .halt_reg = 0x1c, + .halt_check = BRANCH_HALT_DELAY, + .clkr = { + .enable_reg = 0x1c, + .enable_mask = BIT(0), + .hw.init = &(const struct clk_init_data) { + .name = "tcsr_edp_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_1_clkref_en = { + .halt_reg = 0x4, + .halt_check = BRANCH_HALT_DELAY, + .clkr = { + .enable_reg = 0x4, + .enable_mask = BIT(0), + .hw.init = &(const struct clk_init_data) { + .name = "tcsr_pcie_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_pcie_2_clkref_en = { + .halt_reg = 0x8, + .halt_check = BRANCH_HALT_DELAY, + .clkr = { + .enable_reg = 0x8, + .enable_mask = BIT(0), + .hw.init = &(const struct clk_init_data) { + .name = "tcsr_pcie_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_3_clkref_en = { + .halt_reg = 0x10, + .halt_check = BRANCH_HALT_DELAY, + .clkr = { + .enable_reg = 0x10, + .enable_mask = BIT(0), + .hw.init = &(const struct clk_init_data) { + .name = "tcsr_pcie_3_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_4_clkref_en = { + .halt_reg = 0x14, + .halt_check = BRANCH_HALT_DELAY, + .clkr = { + .enable_reg = 0x14, + .enable_mask = BIT(0), + .hw.init = &(const struct clk_init_data) { + .name = "tcsr_pcie_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_usb2_1_clkref_en = { + .halt_reg = 0x28, + .halt_check = BRANCH_HALT_DELAY, + .clkr = { + .enable_reg = 0x28, + .enable_mask = BIT(0), + .hw.init = &(const 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_usb2_2_clkref_en = { + .halt_reg = 0x2c, + .halt_check = BRANCH_HALT_DELAY, + .clkr = { + .enable_reg = 0x2c, + .enable_mask = BIT(0), + .hw.init = &(const 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_usb2_3_clkref_en = { + .halt_reg = 0x30, + .halt_check = BRANCH_HALT_DELAY, + .clkr = { + .enable_reg = 0x30, + .enable_mask = BIT(0), + .hw.init = &(const struct clk_init_data) { + .name = "tcsr_usb2_3_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_4_clkref_en = { + .halt_reg = 0x44, + .halt_check = BRANCH_HALT_DELAY, + .clkr = { + .enable_reg = 0x44, + .enable_mask = BIT(0), + .hw.init = &(const struct clk_init_data) { + .name = "tcsr_usb2_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_usb3_0_clkref_en = { + .halt_reg = 0x20, + .halt_check = BRANCH_HALT_DELAY, + .clkr = { + .enable_reg = 0x20, + .enable_mask = BIT(0), + .hw.init = &(const struct clk_init_data) { + .name = "tcsr_usb3_0_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_1_clkref_en = { + .halt_reg = 0x24, + .halt_check = BRANCH_HALT_DELAY, + .clkr = { + .enable_reg = 0x24, + .enable_mask = BIT(0), + .hw.init = &(const struct clk_init_data) { + .name = "tcsr_usb3_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_1_clkref_en = { + .halt_reg = 0x0, + .halt_check = BRANCH_HALT_DELAY, + .clkr = { + .enable_reg = 0x0, + .enable_mask = BIT(0), + .hw.init = &(const 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 = 0x18, + .halt_check = BRANCH_HALT_DELAY, + .clkr = { + .enable_reg = 0x18, + .enable_mask = BIT(0), + .hw.init = &(const 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_regmap *tcsr_cc_glymur_clocks[] = { + [TCSR_EDP_CLKREF_EN] = &tcsr_edp_clkref_en.clkr, + [TCSR_PCIE_1_CLKREF_EN] = &tcsr_pcie_1_clkref_en.clkr, + [TCSR_PCIE_2_CLKREF_EN] = &tcsr_pcie_2_clkref_en.clkr, + [TCSR_PCIE_3_CLKREF_EN] = &tcsr_pcie_3_clkref_en.clkr, + [TCSR_PCIE_4_CLKREF_EN] = &tcsr_pcie_4_clkref_en.clkr, + [TCSR_USB2_1_CLKREF_EN] = &tcsr_usb2_1_clkref_en.clkr, + [TCSR_USB2_2_CLKREF_EN] = &tcsr_usb2_2_clkref_en.clkr, + [TCSR_USB2_3_CLKREF_EN] = &tcsr_usb2_3_clkref_en.clkr, + [TCSR_USB2_4_CLKREF_EN] = &tcsr_usb2_4_clkref_en.clkr, + [TCSR_USB3_0_CLKREF_EN] = &tcsr_usb3_0_clkref_en.clkr, + [TCSR_USB3_1_CLKREF_EN] = &tcsr_usb3_1_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, +}; + +static const struct regmap_config tcsr_cc_glymur_regmap_config = { + .reg_bits = 32, + .reg_stride = 4, + .val_bits = 32, + .max_register = 0x44, + .fast_io = true, +}; + +static const struct qcom_cc_desc tcsr_cc_glymur_desc = { + .config = &tcsr_cc_glymur_regmap_config, + .clks = tcsr_cc_glymur_clocks, + .num_clks = ARRAY_SIZE(tcsr_cc_glymur_clocks), +}; + +static const struct of_device_id tcsr_cc_glymur_match_table[] = { + { .compatible = "qcom,glymur-tcsr" }, + { } +}; +MODULE_DEVICE_TABLE(of, tcsr_cc_glymur_match_table); + +static int tcsr_cc_glymur_probe(struct platform_device *pdev) +{ + return qcom_cc_probe(pdev, &tcsr_cc_glymur_desc); +} + +static struct platform_driver tcsr_cc_glymur_driver = { + .probe = tcsr_cc_glymur_probe, + .driver = { + .name = "tcsrcc-glymur", + .of_match_table = tcsr_cc_glymur_match_table, + }, +}; + +static int __init tcsr_cc_glymur_init(void) +{ + return platform_driver_register(&tcsr_cc_glymur_driver); +} +subsys_initcall(tcsr_cc_glymur_init); + +static void __exit tcsr_cc_glymur_exit(void) +{ + platform_driver_unregister(&tcsr_cc_glymur_driver); +} +module_exit(tcsr_cc_glymur_exit); + +MODULE_DESCRIPTION("QTI TCSRCC GLYMUR Driver"); +MODULE_LICENSE("GPL"); -- 2.47.3