From: Abel Vesa Date: Wed, 11 Mar 2026 14:46:36 +0000 (+0200) Subject: clk: qcom: Add TCSR clock driver for Eliza X-Git-Tag: ceph-for-7.1-rc4~149^2^3^2~45 X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=c69a586344758f0d9cf0526d2a4b14fb56941b10;p=ceph-client.git clk: qcom: Add TCSR clock driver for Eliza Add the TCSR clock controller that provides the refclks on Eliza platform for PCIe, USB and UFS subsystems. Co-developed-by: Taniya Das Signed-off-by: Taniya Das Reviewed-by: Dmitry Baryshkov Reviewed-by: Konrad Dybcio Signed-off-by: Abel Vesa Link: https://lore.kernel.org/r/20260311-eliza-clocks-v6-6-453c4cf657a2@oss.qualcomm.com Signed-off-by: Bjorn Andersson --- diff --git a/drivers/clk/qcom/Kconfig b/drivers/clk/qcom/Kconfig index dc5d15a3056c..ced60771ec64 100644 --- a/drivers/clk/qcom/Kconfig +++ b/drivers/clk/qcom/Kconfig @@ -28,6 +28,14 @@ config CLK_ELIZA_GCC Say Y if you want to use peripheral devices such as UART, SPI, I2C, USB, UFS, SDCC, etc. +config CLK_ELIZA_TCSRCC + tristate "Eliza TCSR Clock Controller" + depends on ARM64 || COMPILE_TEST + select QCOM_GDSC + help + Support for the TCSR clock controller on Eliza devices. + Say Y if you want to use peripheral devices such as USB/PCIe/UFS. + config CLK_GLYMUR_DISPCC tristate "Glymur Display Clock Controller" depends on ARM64 || COMPILE_TEST diff --git a/drivers/clk/qcom/Makefile b/drivers/clk/qcom/Makefile index 97a0e2cd0631..82c5c2ec968e 100644 --- a/drivers/clk/qcom/Makefile +++ b/drivers/clk/qcom/Makefile @@ -21,6 +21,7 @@ clk-qcom-$(CONFIG_QCOM_GDSC) += gdsc.o obj-$(CONFIG_APQ_GCC_8084) += gcc-apq8084.o obj-$(CONFIG_APQ_MMCC_8084) += mmcc-apq8084.o obj-$(CONFIG_CLK_ELIZA_GCC) += gcc-eliza.o +obj-$(CONFIG_CLK_ELIZA_TCSRCC) += tcsrcc-eliza.o obj-$(CONFIG_CLK_GFM_LPASS_SM8250) += lpass-gfm-sm8250.o obj-$(CONFIG_CLK_GLYMUR_DISPCC) += dispcc-glymur.o obj-$(CONFIG_CLK_GLYMUR_GCC) += gcc-glymur.o diff --git a/drivers/clk/qcom/tcsrcc-eliza.c b/drivers/clk/qcom/tcsrcc-eliza.c new file mode 100644 index 000000000000..ef9b6393f57e --- /dev/null +++ b/drivers/clk/qcom/tcsrcc-eliza.c @@ -0,0 +1,180 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries. + */ + +#include +#include +#include +#include +#include +#include + +#include + +#include "clk-branch.h" +#include "clk-regmap.h" +#include "common.h" + +enum { + DT_BI_TCXO_PAD, +}; + +static struct clk_branch tcsr_hdmi_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_hdmi_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_0_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_pcie_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_pcie_1_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_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_ufs_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_ufs_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_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_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 = 0x10, + .halt_check = BRANCH_HALT_DELAY, + .clkr = { + .enable_reg = 0x10, + .enable_mask = BIT(0), + .hw.init = &(const struct clk_init_data) { + .name = "tcsr_usb3_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_eliza_clocks[] = { + [TCSR_HDMI_CLKREF_EN] = &tcsr_hdmi_clkref_en.clkr, + [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_USB2_CLKREF_EN] = &tcsr_usb2_clkref_en.clkr, + [TCSR_USB3_CLKREF_EN] = &tcsr_usb3_clkref_en.clkr, +}; + +static const struct regmap_config tcsr_cc_eliza_regmap_config = { + .reg_bits = 32, + .reg_stride = 4, + .val_bits = 32, + .max_register = 0x1c, + .fast_io = true, +}; + +static const struct qcom_cc_desc tcsr_cc_eliza_desc = { + .config = &tcsr_cc_eliza_regmap_config, + .clks = tcsr_cc_eliza_clocks, + .num_clks = ARRAY_SIZE(tcsr_cc_eliza_clocks), +}; + +static const struct of_device_id tcsr_cc_eliza_match_table[] = { + { .compatible = "qcom,eliza-tcsr" }, + { } +}; +MODULE_DEVICE_TABLE(of, tcsr_cc_eliza_match_table); + +static int tcsr_cc_eliza_probe(struct platform_device *pdev) +{ + return qcom_cc_probe(pdev, &tcsr_cc_eliza_desc); +} + +static struct platform_driver tcsr_cc_eliza_driver = { + .probe = tcsr_cc_eliza_probe, + .driver = { + .name = "tcsr_cc-eliza", + .of_match_table = tcsr_cc_eliza_match_table, + }, +}; + +static int __init tcsr_cc_eliza_init(void) +{ + return platform_driver_register(&tcsr_cc_eliza_driver); +} +subsys_initcall(tcsr_cc_eliza_init); + +static void __exit tcsr_cc_eliza_exit(void) +{ + platform_driver_unregister(&tcsr_cc_eliza_driver); +} +module_exit(tcsr_cc_eliza_exit); + +MODULE_DESCRIPTION("QTI TCSR_CC Eliza Driver"); +MODULE_LICENSE("GPL");