diff --git a/drivers/clk/qcom/Kconfig b/drivers/clk/qcom/Kconfig index 9573e88d1f25..c3e7cf53e799 100644 --- a/drivers/clk/qcom/Kconfig +++ b/drivers/clk/qcom/Kconfig @@ -296,6 +296,13 @@ config QCOM_CLK_RPMH Say Y if you want to support the clocks exposed by RPMh on platforms such as SDM845. +config CLK_HAWI_TCSRCC + tristate "Hawi TCSR Clock Controller" + depends on ARM64 || COMPILE_TEST + help + Support for the TCSR clock controller on Hawi devices. + Say Y if you want to use peripheral devices such as PCIe, USB, UFS. + config APQ_GCC_8084 tristate "APQ8084 Global Clock Controller" depends on ARM || COMPILE_TEST diff --git a/drivers/clk/qcom/Makefile b/drivers/clk/qcom/Makefile index 46c997fa59ca..a46d3ac97d09 100644 --- a/drivers/clk/qcom/Makefile +++ b/drivers/clk/qcom/Makefile @@ -29,6 +29,7 @@ obj-$(CONFIG_CLK_GLYMUR_GCC) += gcc-glymur.o obj-$(CONFIG_CLK_GLYMUR_GPUCC) += gpucc-glymur.o gxclkctl-kaanapali.o obj-$(CONFIG_CLK_GLYMUR_TCSRCC) += tcsrcc-glymur.o obj-$(CONFIG_CLK_GLYMUR_VIDEOCC) += videocc-glymur.o +obj-$(CONFIG_CLK_HAWI_TCSRCC) += tcsrcc-hawi.o obj-$(CONFIG_CLK_KAANAPALI_CAMCC) += cambistmclkcc-kaanapali.o camcc-kaanapali.o obj-$(CONFIG_CLK_KAANAPALI_DISPCC) += dispcc-kaanapali.o obj-$(CONFIG_CLK_KAANAPALI_GCC) += gcc-kaanapali.o diff --git a/drivers/clk/qcom/tcsrcc-hawi.c b/drivers/clk/qcom/tcsrcc-hawi.c new file mode 100644 index 000000000000..c942b0c8e09f --- /dev/null +++ b/drivers/clk/qcom/tcsrcc-hawi.c @@ -0,0 +1,158 @@ +// 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-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_PAD, +}; + +static struct clk_branch tcsr_pcie_0_clkref_en = { + .halt_reg = 0x4c, + .halt_check = BRANCH_HALT_DELAY, + .clkr = { + .enable_reg = 0x4c, + .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 = 0x0, + .halt_check = BRANCH_HALT_DELAY, + .clkr = { + .enable_reg = 0x0, + .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 = 0x10, + .halt_check = BRANCH_HALT_DELAY, + .clkr = { + .enable_reg = 0x10, + .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 = 0x18, + .halt_check = BRANCH_HALT_DELAY, + .clkr = { + .enable_reg = 0x18, + .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 = 0x8, + .halt_check = BRANCH_HALT_DELAY, + .clkr = { + .enable_reg = 0x8, + .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_hawi_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_USB2_CLKREF_EN] = &tcsr_usb2_clkref_en.clkr, + [TCSR_USB3_CLKREF_EN] = &tcsr_usb3_clkref_en.clkr, +}; + +static const struct regmap_config tcsr_cc_hawi_regmap_config = { + .reg_bits = 32, + .reg_stride = 4, + .val_bits = 32, + .max_register = 0x4c, + .fast_io = true, +}; + +static const struct qcom_cc_desc tcsr_cc_hawi_desc = { + .config = &tcsr_cc_hawi_regmap_config, + .clks = tcsr_cc_hawi_clocks, + .num_clks = ARRAY_SIZE(tcsr_cc_hawi_clocks), +}; + +static const struct of_device_id tcsr_cc_hawi_match_table[] = { + { .compatible = "qcom,hawi-tcsrcc" }, + { } +}; +MODULE_DEVICE_TABLE(of, tcsr_cc_hawi_match_table); + +static int tcsr_cc_hawi_probe(struct platform_device *pdev) +{ + return qcom_cc_probe(pdev, &tcsr_cc_hawi_desc); +} + +static struct platform_driver tcsr_cc_hawi_driver = { + .probe = tcsr_cc_hawi_probe, + .driver = { + .name = "tcsrcc-hawi", + .of_match_table = tcsr_cc_hawi_match_table, + }, +}; + +module_platform_driver(tcsr_cc_hawi_driver); + +MODULE_DESCRIPTION("QTI TCSRCC HAWI Driver"); +MODULE_LICENSE("GPL");