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path: root/drivers/clk/meson/a1-pll.c
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Diffstat (limited to 'drivers/clk/meson/a1-pll.c')
-rw-r--r--drivers/clk/meson/a1-pll.c154
1 files changed, 60 insertions, 94 deletions
diff --git a/drivers/clk/meson/a1-pll.c b/drivers/clk/meson/a1-pll.c
index 90b0aeeb049c..1f82e9c7c14e 100644
--- a/drivers/clk/meson/a1-pll.c
+++ b/drivers/clk/meson/a1-pll.c
@@ -10,13 +10,23 @@
#include <linux/clk-provider.h>
#include <linux/mod_devicetable.h>
#include <linux/platform_device.h>
-#include "a1-pll.h"
+#include "clk-pll.h"
#include "clk-regmap.h"
#include "meson-clkc-utils.h"
+#define ANACTRL_FIXPLL_CTRL0 0x0
+#define ANACTRL_FIXPLL_CTRL1 0x4
+#define ANACTRL_FIXPLL_STS 0x14
+#define ANACTRL_HIFIPLL_CTRL0 0xc0
+#define ANACTRL_HIFIPLL_CTRL1 0xc4
+#define ANACTRL_HIFIPLL_CTRL2 0xc8
+#define ANACTRL_HIFIPLL_CTRL3 0xcc
+#define ANACTRL_HIFIPLL_CTRL4 0xd0
+#define ANACTRL_HIFIPLL_STS 0xd4
+
#include <dt-bindings/clock/amlogic,a1-pll-clkc.h>
-static struct clk_regmap fixed_pll_dco = {
+static struct clk_regmap a1_fixed_pll_dco = {
.data = &(struct meson_clk_pll_data){
.en = {
.reg_off = ANACTRL_FIXPLL_CTRL0,
@@ -59,7 +69,7 @@ static struct clk_regmap fixed_pll_dco = {
},
};
-static struct clk_regmap fixed_pll = {
+static struct clk_regmap a1_fixed_pll = {
.data = &(struct clk_regmap_gate_data){
.offset = ANACTRL_FIXPLL_CTRL0,
.bit_idx = 20,
@@ -68,18 +78,18 @@ static struct clk_regmap fixed_pll = {
.name = "fixed_pll",
.ops = &clk_regmap_gate_ops,
.parent_hws = (const struct clk_hw *[]) {
- &fixed_pll_dco.hw
+ &a1_fixed_pll_dco.hw
},
.num_parents = 1,
},
};
-static const struct pll_mult_range hifi_pll_mult_range = {
+static const struct pll_mult_range a1_hifi_pll_range = {
.min = 32,
.max = 64,
};
-static const struct reg_sequence hifi_init_regs[] = {
+static const struct reg_sequence a1_hifi_pll_init_regs[] = {
{ .reg = ANACTRL_HIFIPLL_CTRL1, .def = 0x01800000 },
{ .reg = ANACTRL_HIFIPLL_CTRL2, .def = 0x00001100 },
{ .reg = ANACTRL_HIFIPLL_CTRL3, .def = 0x100a1100 },
@@ -87,7 +97,7 @@ static const struct reg_sequence hifi_init_regs[] = {
{ .reg = ANACTRL_HIFIPLL_CTRL0, .def = 0x01f18000 },
};
-static struct clk_regmap hifi_pll = {
+static struct clk_regmap a1_hifi_pll = {
.data = &(struct meson_clk_pll_data){
.en = {
.reg_off = ANACTRL_HIFIPLL_CTRL0,
@@ -124,9 +134,9 @@ static struct clk_regmap hifi_pll = {
.shift = 6,
.width = 1,
},
- .range = &hifi_pll_mult_range,
- .init_regs = hifi_init_regs,
- .init_count = ARRAY_SIZE(hifi_init_regs),
+ .range = &a1_hifi_pll_range,
+ .init_regs = a1_hifi_pll_init_regs,
+ .init_count = ARRAY_SIZE(a1_hifi_pll_init_regs),
},
.hw.init = &(struct clk_init_data){
.name = "hifi_pll",
@@ -138,20 +148,20 @@ static struct clk_regmap hifi_pll = {
},
};
-static struct clk_fixed_factor fclk_div2_div = {
+static struct clk_fixed_factor a1_fclk_div2_div = {
.mult = 1,
.div = 2,
.hw.init = &(struct clk_init_data){
.name = "fclk_div2_div",
.ops = &clk_fixed_factor_ops,
.parent_hws = (const struct clk_hw *[]) {
- &fixed_pll.hw
+ &a1_fixed_pll.hw
},
.num_parents = 1,
},
};
-static struct clk_regmap fclk_div2 = {
+static struct clk_regmap a1_fclk_div2 = {
.data = &(struct clk_regmap_gate_data){
.offset = ANACTRL_FIXPLL_CTRL0,
.bit_idx = 21,
@@ -160,7 +170,7 @@ static struct clk_regmap fclk_div2 = {
.name = "fclk_div2",
.ops = &clk_regmap_gate_ops,
.parent_hws = (const struct clk_hw *[]) {
- &fclk_div2_div.hw
+ &a1_fclk_div2_div.hw
},
.num_parents = 1,
/*
@@ -176,20 +186,20 @@ static struct clk_regmap fclk_div2 = {
},
};
-static struct clk_fixed_factor fclk_div3_div = {
+static struct clk_fixed_factor a1_fclk_div3_div = {
.mult = 1,
.div = 3,
.hw.init = &(struct clk_init_data){
.name = "fclk_div3_div",
.ops = &clk_fixed_factor_ops,
.parent_hws = (const struct clk_hw *[]) {
- &fixed_pll.hw
+ &a1_fixed_pll.hw
},
.num_parents = 1,
},
};
-static struct clk_regmap fclk_div3 = {
+static struct clk_regmap a1_fclk_div3 = {
.data = &(struct clk_regmap_gate_data){
.offset = ANACTRL_FIXPLL_CTRL0,
.bit_idx = 22,
@@ -198,7 +208,7 @@ static struct clk_regmap fclk_div3 = {
.name = "fclk_div3",
.ops = &clk_regmap_gate_ops,
.parent_hws = (const struct clk_hw *[]) {
- &fclk_div3_div.hw
+ &a1_fclk_div3_div.hw
},
.num_parents = 1,
/*
@@ -209,20 +219,20 @@ static struct clk_regmap fclk_div3 = {
},
};
-static struct clk_fixed_factor fclk_div5_div = {
+static struct clk_fixed_factor a1_fclk_div5_div = {
.mult = 1,
.div = 5,
.hw.init = &(struct clk_init_data){
.name = "fclk_div5_div",
.ops = &clk_fixed_factor_ops,
.parent_hws = (const struct clk_hw *[]) {
- &fixed_pll.hw
+ &a1_fixed_pll.hw
},
.num_parents = 1,
},
};
-static struct clk_regmap fclk_div5 = {
+static struct clk_regmap a1_fclk_div5 = {
.data = &(struct clk_regmap_gate_data){
.offset = ANACTRL_FIXPLL_CTRL0,
.bit_idx = 23,
@@ -231,7 +241,7 @@ static struct clk_regmap fclk_div5 = {
.name = "fclk_div5",
.ops = &clk_regmap_gate_ops,
.parent_hws = (const struct clk_hw *[]) {
- &fclk_div5_div.hw
+ &a1_fclk_div5_div.hw
},
.num_parents = 1,
/*
@@ -242,20 +252,20 @@ static struct clk_regmap fclk_div5 = {
},
};
-static struct clk_fixed_factor fclk_div7_div = {
+static struct clk_fixed_factor a1_fclk_div7_div = {
.mult = 1,
.div = 7,
.hw.init = &(struct clk_init_data){
.name = "fclk_div7_div",
.ops = &clk_fixed_factor_ops,
.parent_hws = (const struct clk_hw *[]) {
- &fixed_pll.hw
+ &a1_fixed_pll.hw
},
.num_parents = 1,
},
};
-static struct clk_regmap fclk_div7 = {
+static struct clk_regmap a1_fclk_div7 = {
.data = &(struct clk_regmap_gate_data){
.offset = ANACTRL_FIXPLL_CTRL0,
.bit_idx = 24,
@@ -264,7 +274,7 @@ static struct clk_regmap fclk_div7 = {
.name = "fclk_div7",
.ops = &clk_regmap_gate_ops,
.parent_hws = (const struct clk_hw *[]) {
- &fclk_div7_div.hw
+ &a1_fclk_div7_div.hw
},
.num_parents = 1,
},
@@ -272,90 +282,46 @@ static struct clk_regmap fclk_div7 = {
/* Array of all clocks registered by this provider */
static struct clk_hw *a1_pll_hw_clks[] = {
- [CLKID_FIXED_PLL_DCO] = &fixed_pll_dco.hw,
- [CLKID_FIXED_PLL] = &fixed_pll.hw,
- [CLKID_FCLK_DIV2_DIV] = &fclk_div2_div.hw,
- [CLKID_FCLK_DIV3_DIV] = &fclk_div3_div.hw,
- [CLKID_FCLK_DIV5_DIV] = &fclk_div5_div.hw,
- [CLKID_FCLK_DIV7_DIV] = &fclk_div7_div.hw,
- [CLKID_FCLK_DIV2] = &fclk_div2.hw,
- [CLKID_FCLK_DIV3] = &fclk_div3.hw,
- [CLKID_FCLK_DIV5] = &fclk_div5.hw,
- [CLKID_FCLK_DIV7] = &fclk_div7.hw,
- [CLKID_HIFI_PLL] = &hifi_pll.hw,
-};
-
-static struct clk_regmap *const a1_pll_regmaps[] = {
- &fixed_pll_dco,
- &fixed_pll,
- &fclk_div2,
- &fclk_div3,
- &fclk_div5,
- &fclk_div7,
- &hifi_pll,
-};
-
-static struct regmap_config a1_pll_regmap_cfg = {
- .reg_bits = 32,
- .val_bits = 32,
- .reg_stride = 4,
- .max_register = ANACTRL_HIFIPLL_STS,
+ [CLKID_FIXED_PLL_DCO] = &a1_fixed_pll_dco.hw,
+ [CLKID_FIXED_PLL] = &a1_fixed_pll.hw,
+ [CLKID_FCLK_DIV2_DIV] = &a1_fclk_div2_div.hw,
+ [CLKID_FCLK_DIV3_DIV] = &a1_fclk_div3_div.hw,
+ [CLKID_FCLK_DIV5_DIV] = &a1_fclk_div5_div.hw,
+ [CLKID_FCLK_DIV7_DIV] = &a1_fclk_div7_div.hw,
+ [CLKID_FCLK_DIV2] = &a1_fclk_div2.hw,
+ [CLKID_FCLK_DIV3] = &a1_fclk_div3.hw,
+ [CLKID_FCLK_DIV5] = &a1_fclk_div5.hw,
+ [CLKID_FCLK_DIV7] = &a1_fclk_div7.hw,
+ [CLKID_HIFI_PLL] = &a1_hifi_pll.hw,
};
-static struct meson_clk_hw_data a1_pll_clks = {
- .hws = a1_pll_hw_clks,
- .num = ARRAY_SIZE(a1_pll_hw_clks),
+static const struct meson_clkc_data a1_pll_clkc_data = {
+ .hw_clks = {
+ .hws = a1_pll_hw_clks,
+ .num = ARRAY_SIZE(a1_pll_hw_clks),
+ },
};
-static int meson_a1_pll_probe(struct platform_device *pdev)
-{
- struct device *dev = &pdev->dev;
- void __iomem *base;
- struct regmap *map;
- int clkid, i, err;
-
- base = devm_platform_ioremap_resource(pdev, 0);
- if (IS_ERR(base))
- return dev_err_probe(dev, PTR_ERR(base),
- "can't ioremap resource\n");
-
- map = devm_regmap_init_mmio(dev, base, &a1_pll_regmap_cfg);
- if (IS_ERR(map))
- return dev_err_probe(dev, PTR_ERR(map),
- "can't init regmap mmio region\n");
-
- /* Populate regmap for the regmap backed clocks */
- for (i = 0; i < ARRAY_SIZE(a1_pll_regmaps); i++)
- a1_pll_regmaps[i]->map = map;
-
- /* Register clocks */
- for (clkid = 0; clkid < a1_pll_clks.num; clkid++) {
- err = devm_clk_hw_register(dev, a1_pll_clks.hws[clkid]);
- if (err)
- return dev_err_probe(dev, err,
- "clock[%d] registration failed\n",
- clkid);
- }
-
- return devm_of_clk_add_hw_provider(dev, meson_clk_hw_get,
- &a1_pll_clks);
-}
-
static const struct of_device_id a1_pll_clkc_match_table[] = {
- { .compatible = "amlogic,a1-pll-clkc", },
+ {
+ .compatible = "amlogic,a1-pll-clkc",
+ .data = &a1_pll_clkc_data,
+ },
{}
};
MODULE_DEVICE_TABLE(of, a1_pll_clkc_match_table);
static struct platform_driver a1_pll_clkc_driver = {
- .probe = meson_a1_pll_probe,
+ .probe = meson_clkc_mmio_probe,
.driver = {
.name = "a1-pll-clkc",
.of_match_table = a1_pll_clkc_match_table,
},
};
-
module_platform_driver(a1_pll_clkc_driver);
+
+MODULE_DESCRIPTION("Amlogic A1 PLL Clock Controller driver");
MODULE_AUTHOR("Jian Hu <jian.hu@amlogic.com>");
MODULE_AUTHOR("Dmitry Rokosov <ddrokosov@sberdevices.ru>");
MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS("CLK_MESON");
generated by cgit (git 2.34.1) at 2025-12-25 18:50:32 +0000