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Signed-off-by: David Yang --- drivers/clk/hisilicon/clk-hi3620.c | 189 +++++++++++++++-------------- 1 file changed, 96 insertions(+), 93 deletions(-) diff --git a/drivers/clk/hisilicon/clk-hi3620.c b/drivers/clk/hisilicon/clk-hi3620.c index a3d04c7c3da8..a08778de8dc2 100644 --- a/drivers/clk/hisilicon/clk-hi3620.c +++ b/drivers/clk/hisilicon/clk-hi3620.c @@ -12,6 +12,7 @@ #include #include #include +#include #include #include #include @@ -22,48 +23,48 @@ #include "clk.h" /* clock parent list */ -static const char *const timer0_mux_p[] __initconst = { "osc32k", "timerclk01", }; -static const char *const timer1_mux_p[] __initconst = { "osc32k", "timerclk01", }; -static const char *const timer2_mux_p[] __initconst = { "osc32k", "timerclk23", }; -static const char *const timer3_mux_p[] __initconst = { "osc32k", "timerclk23", }; -static const char *const timer4_mux_p[] __initconst = { "osc32k", "timerclk45", }; -static const char *const timer5_mux_p[] __initconst = { "osc32k", "timerclk45", }; -static const char *const timer6_mux_p[] __initconst = { "osc32k", "timerclk67", }; -static const char *const timer7_mux_p[] __initconst = { "osc32k", "timerclk67", }; -static const char *const timer8_mux_p[] __initconst = { "osc32k", "timerclk89", }; -static const char *const timer9_mux_p[] __initconst = { "osc32k", "timerclk89", }; -static const char *const uart0_mux_p[] __initconst = { "osc26m", "pclk", }; -static const char *const uart1_mux_p[] __initconst = { "osc26m", "pclk", }; -static const char *const uart2_mux_p[] __initconst = { "osc26m", "pclk", }; -static const char *const uart3_mux_p[] __initconst = { "osc26m", "pclk", }; -static const char *const uart4_mux_p[] __initconst = { "osc26m", "pclk", }; -static const char *const spi0_mux_p[] __initconst = { "osc26m", "rclk_cfgaxi", }; -static const char *const spi1_mux_p[] __initconst = { "osc26m", "rclk_cfgaxi", }; -static const char *const spi2_mux_p[] __initconst = { "osc26m", "rclk_cfgaxi", }; +static const char *const timer0_mux_p[] = { "osc32k", "timerclk01", }; +static const char *const timer1_mux_p[] = { "osc32k", "timerclk01", }; +static const char *const timer2_mux_p[] = { "osc32k", "timerclk23", }; +static const char *const timer3_mux_p[] = { "osc32k", "timerclk23", }; +static const char *const timer4_mux_p[] = { "osc32k", "timerclk45", }; +static const char *const timer5_mux_p[] = { "osc32k", "timerclk45", }; +static const char *const timer6_mux_p[] = { "osc32k", "timerclk67", }; +static const char *const timer7_mux_p[] = { "osc32k", "timerclk67", }; +static const char *const timer8_mux_p[] = { "osc32k", "timerclk89", }; +static const char *const timer9_mux_p[] = { "osc32k", "timerclk89", }; +static const char *const uart0_mux_p[] = { "osc26m", "pclk", }; +static const char *const uart1_mux_p[] = { "osc26m", "pclk", }; +static const char *const uart2_mux_p[] = { "osc26m", "pclk", }; +static const char *const uart3_mux_p[] = { "osc26m", "pclk", }; +static const char *const uart4_mux_p[] = { "osc26m", "pclk", }; +static const char *const spi0_mux_p[] = { "osc26m", "rclk_cfgaxi", }; +static const char *const spi1_mux_p[] = { "osc26m", "rclk_cfgaxi", }; +static const char *const spi2_mux_p[] = { "osc26m", "rclk_cfgaxi", }; /* share axi parent */ -static const char *const saxi_mux_p[] __initconst = { "armpll3", "armpll2", }; -static const char *const pwm0_mux_p[] __initconst = { "osc32k", "osc26m", }; -static const char *const pwm1_mux_p[] __initconst = { "osc32k", "osc26m", }; -static const char *const sd_mux_p[] __initconst = { "armpll2", "armpll3", }; -static const char *const mmc1_mux_p[] __initconst = { "armpll2", "armpll3", }; -static const char *const mmc1_mux2_p[] __initconst = { "osc26m", "mmc1_div", }; -static const char *const g2d_mux_p[] __initconst = { "armpll2", "armpll3", }; -static const char *const venc_mux_p[] __initconst = { "armpll2", "armpll3", }; -static const char *const vdec_mux_p[] __initconst = { "armpll2", "armpll3", }; -static const char *const vpp_mux_p[] __initconst = { "armpll2", "armpll3", }; -static const char *const edc0_mux_p[] __initconst = { "armpll2", "armpll3", }; -static const char *const ldi0_mux_p[] __initconst = { "armpll2", "armpll4", +static const char *const saxi_mux_p[] = { "armpll3", "armpll2", }; +static const char *const pwm0_mux_p[] = { "osc32k", "osc26m", }; +static const char *const pwm1_mux_p[] = { "osc32k", "osc26m", }; +static const char *const sd_mux_p[] = { "armpll2", "armpll3", }; +static const char *const mmc1_mux_p[] = { "armpll2", "armpll3", }; +static const char *const mmc1_mux2_p[] = { "osc26m", "mmc1_div", }; +static const char *const g2d_mux_p[] = { "armpll2", "armpll3", }; +static const char *const venc_mux_p[] = { "armpll2", "armpll3", }; +static const char *const vdec_mux_p[] = { "armpll2", "armpll3", }; +static const char *const vpp_mux_p[] = { "armpll2", "armpll3", }; +static const char *const edc0_mux_p[] = { "armpll2", "armpll3", }; +static const char *const ldi0_mux_p[] = { "armpll2", "armpll4", "armpll3", "armpll5", }; -static const char *const edc1_mux_p[] __initconst = { "armpll2", "armpll3", }; -static const char *const ldi1_mux_p[] __initconst = { "armpll2", "armpll4", +static const char *const edc1_mux_p[] = { "armpll2", "armpll3", }; +static const char *const ldi1_mux_p[] = { "armpll2", "armpll4", "armpll3", "armpll5", }; -static const char *const rclk_hsic_p[] __initconst = { "armpll3", "armpll2", }; -static const char *const mmc2_mux_p[] __initconst = { "armpll2", "armpll3", }; -static const char *const mmc3_mux_p[] __initconst = { "armpll2", "armpll3", }; +static const char *const rclk_hsic_p[] = { "armpll3", "armpll2", }; +static const char *const mmc2_mux_p[] = { "armpll2", "armpll3", }; +static const char *const mmc3_mux_p[] = { "armpll2", "armpll3", }; /* fixed rate clocks */ -static struct hisi_fixed_rate_clock hi3620_fixed_rate_clks[] __initdata = { +static struct hisi_fixed_rate_clock hi3620_fixed_rate_clks[] = { { HI3620_OSC32K, "osc32k", NULL, 0, 32768, }, { HI3620_OSC26M, "osc26m", NULL, 0, 26000000, }, { HI3620_PCLK, "pclk", NULL, 0, 26000000, }, @@ -76,13 +77,13 @@ static struct hisi_fixed_rate_clock hi3620_fixed_rate_clks[] __initdata = { }; /* fixed factor clocks */ -static struct hisi_fixed_factor_clock hi3620_fixed_factor_clks[] __initdata = { +static struct hisi_fixed_factor_clock hi3620_fixed_factor_clks[] = { { HI3620_RCLK_TCXO, "rclk_tcxo", "osc26m", 1, 4, 0, }, { HI3620_RCLK_CFGAXI, "rclk_cfgaxi", "armpll2", 1, 30, 0, }, { HI3620_RCLK_PICO, "rclk_pico", "hsic_div", 1, 40, 0, }, }; -static struct hisi_mux_clock hi3620_mux_clks[] __initdata = { +static struct hisi_mux_clock hi3620_mux_clks[] = { { HI3620_TIMER0_MUX, "timer0_mux", timer0_mux_p, ARRAY_SIZE(timer0_mux_p), CLK_SET_RATE_PARENT, 0, 15, 2, 0, }, { HI3620_TIMER1_MUX, "timer1_mux", timer1_mux_p, ARRAY_SIZE(timer1_mux_p), CLK_SET_RATE_PARENT, 0, 17, 2, 0, }, { HI3620_TIMER2_MUX, "timer2_mux", timer2_mux_p, ARRAY_SIZE(timer2_mux_p), CLK_SET_RATE_PARENT, 0, 19, 2, 0, }, @@ -120,7 +121,7 @@ static struct hisi_mux_clock hi3620_mux_clks[] __initdata = { { HI3620_MMC3_MUX, "mmc3_mux", mmc3_mux_p, ARRAY_SIZE(mmc3_mux_p), CLK_SET_RATE_PARENT, 0x140, 9, 1, CLK_MUX_HIWORD_MASK, }, }; -static struct hisi_divider_clock hi3620_div_clks[] __initdata = { +static struct hisi_divider_clock hi3620_div_clks[] = { { HI3620_SHAREAXI_DIV, "saxi_div", "saxi_mux", 0, 0x100, 0, 5, CLK_DIVIDER_HIWORD_MASK, NULL, }, { HI3620_CFGAXI_DIV, "cfgaxi_div", "saxi_div", 0, 0x100, 5, 2, CLK_DIVIDER_HIWORD_MASK, NULL, }, { HI3620_SD_DIV, "sd_div", "sd_mux", 0, 0x108, 0, 4, CLK_DIVIDER_HIWORD_MASK, NULL, }, @@ -130,7 +131,7 @@ static struct hisi_divider_clock hi3620_div_clks[] __initdata = { { HI3620_MMC3_DIV, "mmc3_div", "mmc3_mux", 0, 0x140, 5, 4, CLK_DIVIDER_HIWORD_MASK, NULL, }, }; -static struct hisi_gate_clock hi3620_separated_gate_clks[] __initdata = { +static struct hisi_gate_clock hi3620_separated_gate_clks[] = { { HI3620_TIMERCLK01, "timerclk01", "timer_rclk01", CLK_SET_RATE_PARENT, 0x20, 0, 0, }, { HI3620_TIMER_RCLK01, "timer_rclk01", "rclk_tcxo", CLK_SET_RATE_PARENT, 0x20, 1, 0, }, { HI3620_TIMERCLK23, "timerclk23", "timer_rclk23", CLK_SET_RATE_PARENT, 0x20, 2, 0, }, @@ -192,29 +193,19 @@ static struct hisi_gate_clock hi3620_separated_gate_clks[] __initdata = { { HI3620_MCU_CLK, "mcu_clk", "acp_clk", CLK_SET_RATE_PARENT, 0x50, 24, 0, }, }; -static void __init hi3620_clk_init(struct device_node *np) -{ - struct hisi_clock_data *clk_data; - - clk_data = hisi_clk_init(np, HI3620_NR_CLKS); - if (!clk_data) - return; - - hisi_clk_register_fixed_rate(hi3620_fixed_rate_clks, - ARRAY_SIZE(hi3620_fixed_rate_clks), - clk_data); - hisi_clk_register_fixed_factor(hi3620_fixed_factor_clks, - ARRAY_SIZE(hi3620_fixed_factor_clks), - clk_data); - hisi_clk_register_mux(hi3620_mux_clks, ARRAY_SIZE(hi3620_mux_clks), - clk_data); - hisi_clk_register_divider(hi3620_div_clks, ARRAY_SIZE(hi3620_div_clks), - clk_data); - hisi_clk_register_gate_sep(hi3620_separated_gate_clks, - ARRAY_SIZE(hi3620_separated_gate_clks), - clk_data); -} -CLK_OF_DECLARE(hi3620_clk, "hisilicon,hi3620-clock", hi3620_clk_init); +static const struct hisi_clocks hi3620_clks = { + .nr = HI3620_NR_CLKS, + .fixed_rate_clks = hi3620_fixed_rate_clks, + .fixed_rate_clks_num = ARRAY_SIZE(hi3620_fixed_rate_clks), + .fixed_factor_clks = hi3620_fixed_factor_clks, + .fixed_factor_clks_num = ARRAY_SIZE(hi3620_fixed_factor_clks), + .mux_clks = hi3620_mux_clks, + .mux_clks_num = ARRAY_SIZE(hi3620_mux_clks), + .divider_clks = hi3620_div_clks, + .divider_clks_num = ARRAY_SIZE(hi3620_div_clks), + .gate_sep_clks = hi3620_separated_gate_clks, + .gate_sep_clks_num = ARRAY_SIZE(hi3620_separated_gate_clks), +}; struct hisi_mmc_clock { unsigned int id; @@ -252,7 +243,7 @@ struct clk_mmc { #define to_mmc(_hw) container_of(_hw, struct clk_mmc, hw) -static struct hisi_mmc_clock hi3620_mmc_clks[] __initdata = { +static struct hisi_mmc_clock hi3620_mmc_clks[] = { { HI3620_SD_CIUCLK, "sd_bclk1", "sd_clk", CLK_SET_RATE_PARENT, 0x1f8, 0, 0x1f8, 1, 3, 0x1f8, 4, 4, 0x1f8, 8, 4}, { HI3620_MMC_CIUCLK1, "mmc_bclk1", "mmc_clk1", CLK_SET_RATE_PARENT, 0x1f8, 12, 0x1f8, 13, 3, 0x1f8, 16, 4, 0x1f8, 20, 4}, { HI3620_MMC_CIUCLK2, "mmc_bclk2", "mmc_clk2", CLK_SET_RATE_PARENT, 0x1f8, 24, 0x1f8, 25, 3, 0x1f8, 28, 4, 0x1fc, 0, 4}, @@ -408,8 +399,9 @@ static const struct clk_ops clk_mmc_ops = { .recalc_rate = mmc_clk_recalc_rate, }; -static struct clk *hisi_register_clk_mmc(struct hisi_mmc_clock *mmc_clk, - void __iomem *base, struct device_node *np) +static struct clk * +clk_register_hisi_mmc(struct device *dev, const struct hisi_mmc_clock *mmc_clk, + void __iomem *base) { struct clk_mmc *mclk; struct clk *clk; @@ -445,39 +437,50 @@ static struct clk *hisi_register_clk_mmc(struct hisi_mmc_clock *mmc_clk, return clk; } -static void __init hi3620_mmc_clk_init(struct device_node *node) +static int hisi_register_clk_mmc(struct device *dev, const void *clocks, + size_t num, struct hisi_clock_data *data) { - void __iomem *base; - int i, num = ARRAY_SIZE(hi3620_mmc_clks); - struct clk_onecell_data *clk_data; + const struct hisi_mmc_clock *clks = clocks; - if (!node) { - pr_err("failed to find pctrl node in DTS\n"); - return; - } + for (int i = 0; i < num; i++) { + struct clk *clk = clk_register_hisi_mmc(dev, &clks[i], data->base); - base = of_iomap(node, 0); - if (!base) { - pr_err("failed to map pctrl\n"); - return; + if (IS_ERR(clk)) { + pr_err("%s: failed to register clock %s\n", + __func__, clks[i].name); + return PTR_ERR(clk); + } + data->clk_data.clks[clks[i].id] = clk; } - clk_data = kzalloc(sizeof(*clk_data), GFP_KERNEL); - if (WARN_ON(!clk_data)) - return; + return 0; +} - clk_data->clks = kcalloc(num, sizeof(*clk_data->clks), GFP_KERNEL); - if (!clk_data->clks) - return; +static const struct hisi_clocks hi3620_clks_mmc = { + .customized_clks = hi3620_mmc_clks, + .customized_clks_num = ARRAY_SIZE(hi3620_mmc_clks), + .clk_register_customized = hisi_register_clk_mmc, +}; - for (i = 0; i < num; i++) { - struct hisi_mmc_clock *mmc_clk = &hi3620_mmc_clks[i]; - clk_data->clks[mmc_clk->id] = - hisi_register_clk_mmc(mmc_clk, base, node); - } +static const struct of_device_id hi3620_clk_match_table[] = { + { .compatible = "hisilicon,hi3620-clock", + .data = &hi3620_clks }, + { .compatible = "hisilicon,hi3620-mmc-clock", + .data = &hi3620_clks_mmc }, + { } +}; +MODULE_DEVICE_TABLE(of, hi3620_clk_match_table); + +static struct platform_driver hi3620_clk_driver = { + .probe = hisi_clk_probe, + .remove_new = hisi_clk_remove, + .driver = { + .name = "hi3620-clock", + .of_match_table = hi3620_clk_match_table, + }, +}; - clk_data->clk_num = num; - of_clk_add_provider(node, of_clk_src_onecell_get, clk_data); -} +module_platform_driver(hi3620_clk_driver); -CLK_OF_DECLARE(hi3620_mmc_clk, "hisilicon,hi3620-mmc-clock", hi3620_mmc_clk_init); +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("HiSilicon Hi3620 Clock Driver");