diff options
Diffstat (limited to 'drivers/clk/qcom/apss-ipq-pll.c')
| -rw-r--r-- | drivers/clk/qcom/apss-ipq-pll.c | 116 |
1 files changed, 97 insertions, 19 deletions
diff --git a/drivers/clk/qcom/apss-ipq-pll.c b/drivers/clk/qcom/apss-ipq-pll.c index a5aea27eb867..cf4f0d340cbf 100644 --- a/drivers/clk/qcom/apss-ipq-pll.c +++ b/drivers/clk/qcom/apss-ipq-pll.c @@ -8,20 +8,38 @@ #include "clk-alpha-pll.h" -static const u8 ipq_pll_offsets[] = { - [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, +/* + * 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 = { +static struct clk_alpha_pll ipq_pll_huayra = { .offset = 0x0, - .regs = ipq_pll_offsets, + .regs = ipq_pll_offsets[CLK_ALPHA_PLL_TYPE_HUAYRA], .flags = SUPPORTS_DYNAMIC_UPDATE, .clkr = { .enable_reg = 0x0, @@ -37,6 +55,38 @@ static struct clk_alpha_pll ipq_pll = { }, }; +static struct clk_alpha_pll ipq_pll_stromer_plus = { + .offset = 0x0, + .regs = ipq_pll_offsets[CLK_ALPHA_PLL_TYPE_STROMER_PLUS], + .flags = SUPPORTS_DYNAMIC_UPDATE, + .clkr = { + .enable_reg = 0x0, + .enable_mask = BIT(0), + .hw.init = &(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, + }, + }, +}; + +static const struct alpha_pll_config ipq5332_pll_config = { + .l = 0x3e, + .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), + .test_ctl_hi_val = 0x00400003, +}; + static const struct alpha_pll_config ipq6018_pll_config = { .l = 0x37, .config_ctl_val = 0x240d4828, @@ -61,6 +111,30 @@ static const struct alpha_pll_config ipq8074_pll_config = { .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 = { + .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 = { + .pll_type = CLK_ALPHA_PLL_TYPE_HUAYRA, + .pll = &ipq_pll_huayra, + .pll_config = &ipq8074_pll_config, +}; + +static 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 regmap_config ipq_pll_regmap_config = { .reg_bits = 32, .reg_stride = 4, @@ -71,7 +145,7 @@ static const struct regmap_config ipq_pll_regmap_config = { static int apss_ipq_pll_probe(struct platform_device *pdev) { - const struct alpha_pll_config *ipq_pll_config; + const struct apss_pll_data *data; struct device *dev = &pdev->dev; struct regmap *regmap; void __iomem *base; @@ -85,23 +159,27 @@ static int apss_ipq_pll_probe(struct platform_device *pdev) if (IS_ERR(regmap)) return PTR_ERR(regmap); - ipq_pll_config = of_device_get_match_data(&pdev->dev); - if (!ipq_pll_config) + data = of_device_get_match_data(&pdev->dev); + if (!data) return -ENODEV; - clk_alpha_pll_configure(&ipq_pll, regmap, ipq_pll_config); + 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) + clk_stromer_pll_configure(data->pll, regmap, data->pll_config); - ret = devm_clk_register_regmap(dev, &ipq_pll.clkr); + ret = devm_clk_register_regmap(dev, &data->pll->clkr); if (ret) return ret; return devm_of_clk_add_hw_provider(dev, of_clk_hw_simple_get, - &ipq_pll.clkr.hw); + &data->pll->clkr.hw); } static const struct of_device_id apss_ipq_pll_match_table[] = { - { .compatible = "qcom,ipq6018-a53pll", .data = &ipq6018_pll_config }, - { .compatible = "qcom,ipq8074-a53pll", .data = &ipq8074_pll_config }, + { .compatible = "qcom,ipq5332-a53pll", .data = &ipq5332_pll_data }, + { .compatible = "qcom,ipq6018-a53pll", .data = &ipq6018_pll_data }, + { .compatible = "qcom,ipq8074-a53pll", .data = &ipq8074_pll_data }, { } }; MODULE_DEVICE_TABLE(of, apss_ipq_pll_match_table); |