To be reused with other Hi3798 series SoCs. Signed-off-by: David Yang <mmyangfl@xxxxxxxxx> --- drivers/clk/hisilicon/crg-hi3798.c | 238 ++++++++++++++++------------- 1 file changed, 136 insertions(+), 102 deletions(-) diff --git a/drivers/clk/hisilicon/crg-hi3798.c b/drivers/clk/hisilicon/crg-hi3798.c index bdce43fbe..9c933172b 100644 --- a/drivers/clk/hisilicon/crg-hi3798.c +++ b/drivers/clk/hisilicon/crg-hi3798.c @@ -59,6 +59,124 @@ static const struct hisi_fixed_rate_clock hi3798_fixed_rate_clks[] = { { HI3798_FIXED_250M, "250m", NULL, 0, 250000000, }, }; +struct hi3798_crg_clks { + const struct hisi_phase_clock *phase_clks; + int phase_clks_nums; + const struct hisi_mux_clock *mux_clks; + int mux_clks_nums; + const struct hisi_gate_clock *gate_clks; + int gate_clks_nums; +}; + +static struct hisi_clock_data *hi3798_clk_register( + struct platform_device *pdev, const struct hi3798_crg_clks *clks) +{ + struct hisi_clock_data *clk_data; + int ret; + + clk_data = hisi_clk_alloc(pdev, HI3798_CRG_NR_CLKS); + if (!clk_data) + return ERR_PTR(-ENOMEM); + + /* hisi_phase_clock is resource managed */ + ret = hisi_clk_register_phase(&pdev->dev, clks->phase_clks, + clks->phase_clks_nums, clk_data); + if (ret) + return ERR_PTR(ret); + + ret = hisi_clk_register_fixed_rate(hi3798_fixed_rate_clks, + ARRAY_SIZE(hi3798_fixed_rate_clks), + clk_data); + if (ret) + return ERR_PTR(ret); + + ret = hisi_clk_register_mux(clks->mux_clks, clks->mux_clks_nums, clk_data); + if (ret) + goto unregister_fixed_rate; + + ret = hisi_clk_register_gate(clks->gate_clks, clks->gate_clks_nums, clk_data); + if (ret) + goto unregister_mux; + + ret = of_clk_add_provider(pdev->dev.of_node, + of_clk_src_onecell_get, &clk_data->clk_data); + if (ret) + goto unregister_gate; + + return clk_data; + +unregister_gate: + hisi_clk_unregister_gate(clks->gate_clks, clks->gate_clks_nums, clk_data); +unregister_mux: + hisi_clk_unregister_mux(clks->mux_clks, clks->mux_clks_nums, clk_data); +unregister_fixed_rate: + hisi_clk_unregister_fixed_rate(hi3798_fixed_rate_clks, + ARRAY_SIZE(hi3798_fixed_rate_clks), + clk_data); + return ERR_PTR(ret); +} + +static void hi3798_clk_unregister( + struct platform_device *pdev, const struct hi3798_crg_clks *clks) +{ + struct hisi_crg_dev *crg = platform_get_drvdata(pdev); + + of_clk_del_provider(pdev->dev.of_node); + + hisi_clk_unregister_gate(clks->gate_clks, clks->gate_clks_nums, crg->clk_data); + hisi_clk_unregister_mux(clks->mux_clks, clks->mux_clks_nums, crg->clk_data); + hisi_clk_unregister_fixed_rate(hi3798_fixed_rate_clks, + ARRAY_SIZE(hi3798_fixed_rate_clks), + crg->clk_data); +} + +/* hi3798 sysctrl CRG */ + +#define HI3798_SYSCTRL_NR_CLKS 16 + +struct hi3798_sysctrl_clks { + const struct hisi_gate_clock *gate_clks; + int gate_clks_nums; +}; + +static struct hisi_clock_data *hi3798_sysctrl_clk_register( + struct platform_device *pdev, const struct hi3798_sysctrl_clks *clks) +{ + struct hisi_clock_data *clk_data; + int ret; + + clk_data = hisi_clk_alloc(pdev, HI3798_SYSCTRL_NR_CLKS); + if (!clk_data) + return ERR_PTR(-ENOMEM); + + ret = hisi_clk_register_gate(clks->gate_clks, clks->gate_clks_nums, clk_data); + if (ret) + return ERR_PTR(ret); + + ret = of_clk_add_provider(pdev->dev.of_node, + of_clk_src_onecell_get, &clk_data->clk_data); + if (ret) + goto unregister_gate; + + return clk_data; + +unregister_gate: + hisi_clk_unregister_gate(clks->gate_clks, clks->gate_clks_nums, clk_data); + return ERR_PTR(ret); +} + +static void hi3798_sysctrl_clk_unregister( + struct platform_device *pdev, const struct hi3798_sysctrl_clks *clks) +{ + struct hisi_crg_dev *crg = platform_get_drvdata(pdev); + + of_clk_del_provider(pdev->dev.of_node); + + hisi_clk_unregister_gate(clks->gate_clks, clks->gate_clks_nums, crg->clk_data); +} + +/* hi3798CV200 */ + static const char *const mmc_mux_p[] = { "100m", "50m", "25m", "200m", "150m" }; static u32 mmc_mux_table[] = {0, 1, 2, 3, 6}; @@ -193,79 +311,24 @@ static const struct hisi_gate_clock hi3798cv200_gate_clks[] = { CLK_SET_RATE_PARENT, 0xb0, 18, 0 }, }; +static const struct hi3798_crg_clks hi3798cv200_crg_clks_data = { + .phase_clks = hi3798cv200_phase_clks, + .phase_clks_nums = ARRAY_SIZE(hi3798cv200_phase_clks), + .mux_clks = hi3798cv200_mux_clks, + .mux_clks_nums = ARRAY_SIZE(hi3798cv200_mux_clks), + .gate_clks = hi3798cv200_gate_clks, + .gate_clks_nums = ARRAY_SIZE(hi3798cv200_gate_clks), +}; + static struct hisi_clock_data *hi3798cv200_clk_register( struct platform_device *pdev) { - struct hisi_clock_data *clk_data; - int ret; - - clk_data = hisi_clk_alloc(pdev, HI3798_CRG_NR_CLKS); - if (!clk_data) - return ERR_PTR(-ENOMEM); - - /* hisi_phase_clock is resource managed */ - ret = hisi_clk_register_phase(&pdev->dev, - hi3798cv200_phase_clks, - ARRAY_SIZE(hi3798cv200_phase_clks), - clk_data); - if (ret) - return ERR_PTR(ret); - - ret = hisi_clk_register_fixed_rate(hi3798_fixed_rate_clks, - ARRAY_SIZE(hi3798_fixed_rate_clks), - clk_data); - if (ret) - return ERR_PTR(ret); - - ret = hisi_clk_register_mux(hi3798cv200_mux_clks, - ARRAY_SIZE(hi3798cv200_mux_clks), - clk_data); - if (ret) - goto unregister_fixed_rate; - - ret = hisi_clk_register_gate(hi3798cv200_gate_clks, - ARRAY_SIZE(hi3798cv200_gate_clks), - clk_data); - if (ret) - goto unregister_mux; - - ret = of_clk_add_provider(pdev->dev.of_node, - of_clk_src_onecell_get, &clk_data->clk_data); - if (ret) - goto unregister_gate; - - return clk_data; - -unregister_gate: - hisi_clk_unregister_gate(hi3798cv200_gate_clks, - ARRAY_SIZE(hi3798cv200_gate_clks), - clk_data); -unregister_mux: - hisi_clk_unregister_mux(hi3798cv200_mux_clks, - ARRAY_SIZE(hi3798cv200_mux_clks), - clk_data); -unregister_fixed_rate: - hisi_clk_unregister_fixed_rate(hi3798_fixed_rate_clks, - ARRAY_SIZE(hi3798_fixed_rate_clks), - clk_data); - return ERR_PTR(ret); + return hi3798_clk_register(pdev, &hi3798cv200_crg_clks_data); } static void hi3798cv200_clk_unregister(struct platform_device *pdev) { - struct hisi_crg_dev *crg = platform_get_drvdata(pdev); - - of_clk_del_provider(pdev->dev.of_node); - - hisi_clk_unregister_gate(hi3798cv200_gate_clks, - ARRAY_SIZE(hi3798cv200_gate_clks), - crg->clk_data); - hisi_clk_unregister_mux(hi3798cv200_mux_clks, - ARRAY_SIZE(hi3798cv200_mux_clks), - crg->clk_data); - hisi_clk_unregister_fixed_rate(hi3798_fixed_rate_clks, - ARRAY_SIZE(hi3798_fixed_rate_clks), - crg->clk_data); + hi3798_clk_unregister(pdev, &hi3798cv200_crg_clks_data); } static const struct hisi_crg_funcs hi3798cv200_crg_funcs = { @@ -273,10 +336,6 @@ static const struct hisi_crg_funcs hi3798cv200_crg_funcs = { .unregister_clks = hi3798cv200_clk_unregister, }; -/* hi3798 sysctrl CRG */ - -#define HI3798_SYSCTRL_NR_CLKS 16 - static const struct hisi_gate_clock hi3798cv200_sysctrl_gate_clks[] = { { HISTB_IR_CLK, "clk_ir", "24m", CLK_SET_RATE_PARENT, 0x48, 4, 0, }, @@ -286,45 +345,20 @@ static const struct hisi_gate_clock hi3798cv200_sysctrl_gate_clks[] = { CLK_SET_RATE_PARENT, 0x48, 10, 0, }, }; +static const struct hi3798_sysctrl_clks hi3798cv200_sysctrl_clks_data = { + .gate_clks = hi3798cv200_sysctrl_gate_clks, + .gate_clks_nums = ARRAY_SIZE(hi3798cv200_sysctrl_gate_clks), +}; + static struct hisi_clock_data *hi3798cv200_sysctrl_clk_register( struct platform_device *pdev) { - struct hisi_clock_data *clk_data; - int ret; - - clk_data = hisi_clk_alloc(pdev, HI3798_SYSCTRL_NR_CLKS); - if (!clk_data) - return ERR_PTR(-ENOMEM); - - ret = hisi_clk_register_gate(hi3798cv200_sysctrl_gate_clks, - ARRAY_SIZE(hi3798cv200_sysctrl_gate_clks), - clk_data); - if (ret) - return ERR_PTR(ret); - - ret = of_clk_add_provider(pdev->dev.of_node, - of_clk_src_onecell_get, &clk_data->clk_data); - if (ret) - goto unregister_gate; - - return clk_data; - -unregister_gate: - hisi_clk_unregister_gate(hi3798cv200_sysctrl_gate_clks, - ARRAY_SIZE(hi3798cv200_sysctrl_gate_clks), - clk_data); - return ERR_PTR(ret); + return hi3798_sysctrl_clk_register(pdev, &hi3798cv200_sysctrl_clks_data); } static void hi3798cv200_sysctrl_clk_unregister(struct platform_device *pdev) { - struct hisi_crg_dev *crg = platform_get_drvdata(pdev); - - of_clk_del_provider(pdev->dev.of_node); - - hisi_clk_unregister_gate(hi3798cv200_sysctrl_gate_clks, - ARRAY_SIZE(hi3798cv200_sysctrl_gate_clks), - crg->clk_data); + hi3798_sysctrl_clk_unregister(pdev, &hi3798cv200_sysctrl_clks_data); } static const struct hisi_crg_funcs hi3798cv200_sysctrl_funcs = { -- 2.39.2