diff options
Diffstat (limited to 'drivers/clk/qcom/apss-ipq-pll.c')
| -rw-r--r-- | drivers/clk/qcom/apss-ipq-pll.c | 115 |
1 files changed, 73 insertions, 42 deletions
diff --git a/drivers/clk/qcom/apss-ipq-pll.c b/drivers/clk/qcom/apss-ipq-pll.c index cf4f0d340cbf..3a8987fe7008 100644 --- a/drivers/clk/qcom/apss-ipq-pll.c +++ b/drivers/clk/qcom/apss-ipq-pll.c @@ -2,85 +2,90 @@ // Copyright (c) 2018, The Linux Foundation. All rights reserved. #include <linux/clk-provider.h> #include <linux/module.h> -#include <linux/of_device.h> +#include <linux/of.h> #include <linux/platform_device.h> #include <linux/regmap.h> #include "clk-alpha-pll.h" -/* - * Even though APSS PLL type is of existing one (like Huayra), its offsets - * are different from the one mentioned in the clk-alpha-pll.c, since the - * PLL is specific to APSS, so lets the define the same. - */ -static const u8 ipq_pll_offsets[][PLL_OFF_MAX_REGS] = { - [CLK_ALPHA_PLL_TYPE_HUAYRA] = { - [PLL_OFF_L_VAL] = 0x08, - [PLL_OFF_ALPHA_VAL] = 0x10, - [PLL_OFF_USER_CTL] = 0x18, - [PLL_OFF_CONFIG_CTL] = 0x20, - [PLL_OFF_CONFIG_CTL_U] = 0x24, - [PLL_OFF_STATUS] = 0x28, - [PLL_OFF_TEST_CTL] = 0x30, - [PLL_OFF_TEST_CTL_U] = 0x34, - }, - [CLK_ALPHA_PLL_TYPE_STROMER_PLUS] = { - [PLL_OFF_L_VAL] = 0x08, - [PLL_OFF_ALPHA_VAL] = 0x10, - [PLL_OFF_ALPHA_VAL_U] = 0x14, - [PLL_OFF_USER_CTL] = 0x18, - [PLL_OFF_USER_CTL_U] = 0x1c, - [PLL_OFF_CONFIG_CTL] = 0x20, - [PLL_OFF_STATUS] = 0x28, - [PLL_OFF_TEST_CTL] = 0x30, - [PLL_OFF_TEST_CTL_U] = 0x34, +static struct clk_alpha_pll ipq_pll_huayra = { + .offset = 0x0, + .regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_HUAYRA_APSS], + .flags = SUPPORTS_DYNAMIC_UPDATE, + .clkr = { + .enable_reg = 0x0, + .enable_mask = BIT(0), + .hw.init = &(const struct clk_init_data) { + .name = "a53pll", + .parent_data = &(const struct clk_parent_data) { + .fw_name = "xo", + }, + .num_parents = 1, + .ops = &clk_alpha_pll_huayra_ops, + }, }, }; -static struct clk_alpha_pll ipq_pll_huayra = { +static struct clk_alpha_pll ipq_pll_stromer = { .offset = 0x0, - .regs = ipq_pll_offsets[CLK_ALPHA_PLL_TYPE_HUAYRA], + .regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_STROMER], .flags = SUPPORTS_DYNAMIC_UPDATE, .clkr = { .enable_reg = 0x0, .enable_mask = BIT(0), - .hw.init = &(struct clk_init_data){ + .hw.init = &(const struct clk_init_data) { .name = "a53pll", .parent_data = &(const struct clk_parent_data) { .fw_name = "xo", }, .num_parents = 1, - .ops = &clk_alpha_pll_huayra_ops, + .ops = &clk_alpha_pll_stromer_ops, }, }, }; static struct clk_alpha_pll ipq_pll_stromer_plus = { .offset = 0x0, - .regs = ipq_pll_offsets[CLK_ALPHA_PLL_TYPE_STROMER_PLUS], + /* + * The register offsets of the Stromer Plus PLL used in IPQ5332 + * are the same as the Stromer PLL's offsets. + */ + .regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_STROMER], .flags = SUPPORTS_DYNAMIC_UPDATE, .clkr = { .enable_reg = 0x0, .enable_mask = BIT(0), - .hw.init = &(struct clk_init_data){ + .hw.init = &(const struct clk_init_data) { .name = "a53pll", .parent_data = &(const struct clk_parent_data) { .fw_name = "xo", }, .num_parents = 1, - .ops = &clk_alpha_pll_stromer_ops, + .ops = &clk_alpha_pll_stromer_plus_ops, }, }, }; +/* 1.008 GHz configuration */ +static const struct alpha_pll_config ipq5018_pll_config = { + .l = 0x2a, + .config_ctl_val = 0x4001075b, + .main_output_mask = BIT(0), + .aux_output_mask = BIT(1), + .early_output_mask = BIT(3), + .status_val = 0x3, + .status_mask = GENMASK(10, 8), + .lock_det = BIT(2), + .test_ctl_hi_val = 0x00400003, +}; + +/* 1.080 GHz configuration */ static const struct alpha_pll_config ipq5332_pll_config = { - .l = 0x3e, + .l = 0x2d, .config_ctl_val = 0x4001075b, - .config_ctl_hi_val = 0x304, .main_output_mask = BIT(0), .aux_output_mask = BIT(1), .early_output_mask = BIT(3), - .alpha_en_mask = BIT(24), .status_val = 0x3, .status_mask = GENMASK(10, 8), .lock_det = BIT(2), @@ -111,36 +116,59 @@ static const struct alpha_pll_config ipq8074_pll_config = { .test_ctl_hi_val = 0x4000, }; +static const struct alpha_pll_config ipq9574_pll_config = { + .l = 0x3b, + .config_ctl_val = 0x200d4828, + .config_ctl_hi_val = 0x6, + .early_output_mask = BIT(3), + .aux2_output_mask = BIT(2), + .aux_output_mask = BIT(1), + .main_output_mask = BIT(0), + .test_ctl_val = 0x0, + .test_ctl_hi_val = 0x4000, +}; + struct apss_pll_data { int pll_type; struct clk_alpha_pll *pll; const struct alpha_pll_config *pll_config; }; -static struct apss_pll_data ipq5332_pll_data = { +static const struct apss_pll_data ipq5018_pll_data = { + .pll_type = CLK_ALPHA_PLL_TYPE_STROMER, + .pll = &ipq_pll_stromer, + .pll_config = &ipq5018_pll_config, +}; + +static const struct apss_pll_data ipq5332_pll_data = { .pll_type = CLK_ALPHA_PLL_TYPE_STROMER_PLUS, .pll = &ipq_pll_stromer_plus, .pll_config = &ipq5332_pll_config, }; -static struct apss_pll_data ipq8074_pll_data = { +static const struct apss_pll_data ipq8074_pll_data = { .pll_type = CLK_ALPHA_PLL_TYPE_HUAYRA, .pll = &ipq_pll_huayra, .pll_config = &ipq8074_pll_config, }; -static struct apss_pll_data ipq6018_pll_data = { +static const struct apss_pll_data ipq6018_pll_data = { .pll_type = CLK_ALPHA_PLL_TYPE_HUAYRA, .pll = &ipq_pll_huayra, .pll_config = &ipq6018_pll_config, }; +static const struct apss_pll_data ipq9574_pll_data = { + .pll_type = CLK_ALPHA_PLL_TYPE_HUAYRA, + .pll = &ipq_pll_huayra, + .pll_config = &ipq9574_pll_config, +}; + static const struct regmap_config ipq_pll_regmap_config = { .reg_bits = 32, .reg_stride = 4, .val_bits = 32, .max_register = 0x40, - .fast_io = true, }; static int apss_ipq_pll_probe(struct platform_device *pdev) @@ -165,7 +193,8 @@ static int apss_ipq_pll_probe(struct platform_device *pdev) if (data->pll_type == CLK_ALPHA_PLL_TYPE_HUAYRA) clk_alpha_pll_configure(data->pll, regmap, data->pll_config); - else if (data->pll_type == CLK_ALPHA_PLL_TYPE_STROMER_PLUS) + else if (data->pll_type == CLK_ALPHA_PLL_TYPE_STROMER || + data->pll_type == CLK_ALPHA_PLL_TYPE_STROMER_PLUS) clk_stromer_pll_configure(data->pll, regmap, data->pll_config); ret = devm_clk_register_regmap(dev, &data->pll->clkr); @@ -177,9 +206,11 @@ static int apss_ipq_pll_probe(struct platform_device *pdev) } static const struct of_device_id apss_ipq_pll_match_table[] = { + { .compatible = "qcom,ipq5018-a53pll", .data = &ipq5018_pll_data }, { .compatible = "qcom,ipq5332-a53pll", .data = &ipq5332_pll_data }, { .compatible = "qcom,ipq6018-a53pll", .data = &ipq6018_pll_data }, { .compatible = "qcom,ipq8074-a53pll", .data = &ipq8074_pll_data }, + { .compatible = "qcom,ipq9574-a73pll", .data = &ipq9574_pll_data }, { } }; MODULE_DEVICE_TABLE(of, apss_ipq_pll_match_table); |