diff options
Diffstat (limited to 'drivers/clk/qcom/tcsrcc-x1e80100.c')
| -rw-r--r-- | drivers/clk/qcom/tcsrcc-x1e80100.c | 285 |
1 files changed, 285 insertions, 0 deletions
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 <linux/clk-provider.h> +#include <linux/mod_devicetable.h> +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/regmap.h> + +#include <dt-bindings/clock/qcom,x1e80100-tcsr.h> + +#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"); |