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path: root/drivers/clk/qcom/apss-ipq-pll.c
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Diffstat (limited to 'drivers/clk/qcom/apss-ipq-pll.c')
-rw-r--r--drivers/clk/qcom/apss-ipq-pll.c155
1 files changed, 132 insertions, 23 deletions
diff --git a/drivers/clk/qcom/apss-ipq-pll.c b/drivers/clk/qcom/apss-ipq-pll.c
index a5aea27eb867..3a8987fe7008 100644
--- a/drivers/clk/qcom/apss-ipq-pll.c
+++ b/drivers/clk/qcom/apss-ipq-pll.c
@@ -2,41 +2,96 @@
// 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"
-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,
+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 = {
+static struct clk_alpha_pll ipq_pll_stromer = {
.offset = 0x0,
- .regs = ipq_pll_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_huayra_ops,
+ .ops = &clk_alpha_pll_stromer_ops,
+ },
+ },
+};
+
+static struct clk_alpha_pll ipq_pll_stromer_plus = {
+ .offset = 0x0,
+ /*
+ * 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 = &(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_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 = 0x2d,
+ .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,
+};
+
static const struct alpha_pll_config ipq6018_pll_config = {
.l = 0x37,
.config_ctl_val = 0x240d4828,
@@ -61,17 +116,64 @@ 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 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 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 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)
{
- 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 +187,30 @@ 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 ||
+ 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,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);
generated by cgit (git 2.34.1) at 2025-12-25 22:49:09 +0000