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path: root/drivers/clk/meson/s4-pll.c
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Diffstat (limited to 'drivers/clk/meson/s4-pll.c')
-rw-r--r--drivers/clk/meson/s4-pll.c82
1 files changed, 21 insertions, 61 deletions
diff --git a/drivers/clk/meson/s4-pll.c b/drivers/clk/meson/s4-pll.c
index 3d689d2f003e..56ce6f566e53 100644
--- a/drivers/clk/meson/s4-pll.c
+++ b/drivers/clk/meson/s4-pll.c
@@ -281,7 +281,7 @@ static const struct pll_mult_range s4_gp0_pll_mult_range = {
/*
* Internal gp0 pll emulation configuration parameters
*/
-static const struct reg_sequence s4_gp0_init_regs[] = {
+static const struct reg_sequence s4_gp0_pll_init_regs[] = {
{ .reg = ANACTRL_GP0PLL_CTRL1, .def = 0x00000000 },
{ .reg = ANACTRL_GP0PLL_CTRL2, .def = 0x00000000 },
{ .reg = ANACTRL_GP0PLL_CTRL3, .def = 0x48681c00 },
@@ -318,8 +318,8 @@ static struct clk_regmap s4_gp0_pll_dco = {
.width = 1,
},
.range = &s4_gp0_pll_mult_range,
- .init_regs = s4_gp0_init_regs,
- .init_count = ARRAY_SIZE(s4_gp0_init_regs),
+ .init_regs = s4_gp0_pll_init_regs,
+ .init_count = ARRAY_SIZE(s4_gp0_pll_init_regs),
},
.hw.init = &(struct clk_init_data){
.name = "gp0_pll_dco",
@@ -353,7 +353,7 @@ static struct clk_regmap s4_gp0_pll = {
/*
* Internal hifi pll emulation configuration parameters
*/
-static const struct reg_sequence s4_hifi_init_regs[] = {
+static const struct reg_sequence s4_hifi_pll_init_regs[] = {
{ .reg = ANACTRL_HIFIPLL_CTRL2, .def = 0x00000000 },
{ .reg = ANACTRL_HIFIPLL_CTRL3, .def = 0x6a285c00 },
{ .reg = ANACTRL_HIFIPLL_CTRL4, .def = 0x65771290 },
@@ -394,8 +394,8 @@ static struct clk_regmap s4_hifi_pll_dco = {
.width = 1,
},
.range = &s4_gp0_pll_mult_range,
- .init_regs = s4_hifi_init_regs,
- .init_count = ARRAY_SIZE(s4_hifi_init_regs),
+ .init_regs = s4_hifi_pll_init_regs,
+ .init_count = ARRAY_SIZE(s4_hifi_pll_init_regs),
.frac_max = 100000,
.flags = CLK_MESON_PLL_ROUND_CLOSEST,
},
@@ -794,76 +794,36 @@ static struct clk_hw *s4_pll_hw_clks[] = {
[CLKID_MPLL3] = &s4_mpll3.hw,
};
-static const struct reg_sequence s4_init_regs[] = {
+static const struct reg_sequence s4_pll_init_regs[] = {
{ .reg = ANACTRL_MPLL_CTRL0, .def = 0x00000543 },
};
-static const struct regmap_config clkc_regmap_config = {
- .reg_bits = 32,
- .val_bits = 32,
- .reg_stride = 4,
- .max_register = ANACTRL_HDMIPLL_CTRL0,
-};
-
-static struct meson_clk_hw_data s4_pll_clks = {
- .hws = s4_pll_hw_clks,
- .num = ARRAY_SIZE(s4_pll_hw_clks),
+static const struct meson_clkc_data s4_pll_clkc_data = {
+ .hw_clks = {
+ .hws = s4_pll_hw_clks,
+ .num = ARRAY_SIZE(s4_pll_hw_clks),
+ },
+ .init_regs = s4_pll_init_regs,
+ .init_count = ARRAY_SIZE(s4_pll_init_regs),
};
-static int meson_s4_pll_probe(struct platform_device *pdev)
-{
- struct device *dev = &pdev->dev;
- struct regmap *regmap;
- void __iomem *base;
- int ret, i;
-
- base = devm_platform_ioremap_resource(pdev, 0);
- if (IS_ERR(base))
- return dev_err_probe(dev, PTR_ERR(base),
- "can't ioremap resource\n");
-
- regmap = devm_regmap_init_mmio(dev, base, &clkc_regmap_config);
- if (IS_ERR(regmap))
- return dev_err_probe(dev, PTR_ERR(regmap),
- "can't init regmap mmio region\n");
-
- ret = regmap_multi_reg_write(regmap, s4_init_regs, ARRAY_SIZE(s4_init_regs));
- if (ret)
- return dev_err_probe(dev, ret,
- "Failed to init registers\n");
-
- /* Register clocks */
- for (i = 0; i < s4_pll_clks.num; i++) {
- /* array might be sparse */
- if (!s4_pll_clks.hws[i])
- continue;
-
- ret = devm_clk_hw_register(dev, s4_pll_clks.hws[i]);
- if (ret)
- return dev_err_probe(dev, ret,
- "clock[%d] registration failed\n", i);
- }
-
- return devm_of_clk_add_hw_provider(dev, meson_clk_hw_get,
- &s4_pll_clks);
-}
-
-static const struct of_device_id clkc_match_table[] = {
+static const struct of_device_id s4_pll_clkc_match_table[] = {
{
.compatible = "amlogic,s4-pll-clkc",
+ .data = &s4_pll_clkc_data,
},
{}
};
-MODULE_DEVICE_TABLE(of, clkc_match_table);
+MODULE_DEVICE_TABLE(of, s4_pll_clkc_match_table);
-static struct platform_driver s4_driver = {
- .probe = meson_s4_pll_probe,
+static struct platform_driver s4_pll_clkc_driver = {
+ .probe = meson_clkc_mmio_probe,
.driver = {
.name = "s4-pll-clkc",
- .of_match_table = clkc_match_table,
+ .of_match_table = s4_pll_clkc_match_table,
},
};
-module_platform_driver(s4_driver);
+module_platform_driver(s4_pll_clkc_driver);
MODULE_DESCRIPTION("Amlogic S4 PLL Clock Controller driver");
MODULE_AUTHOR("Yu Tu <yu.tu@amlogic.com>");