Messages in this thread Patch in this message | | | From | AngeloGioacchino Del Regno <> | Subject | [PATCH v1 26/45] clk: mediatek: mt8516: Convert to platform driver and simple probe | Date | Mon, 6 Feb 2023 16:29:09 +0100 |
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Convert the MT8516 clock drivers to be platform drivers and use the common probe mechanism.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> --- drivers/clk/mediatek/clk-mt8516-aud.c | 35 ++++++----- drivers/clk/mediatek/clk-mt8516.c | 88 +++++++++++---------------- 2 files changed, 57 insertions(+), 66 deletions(-)
diff --git a/drivers/clk/mediatek/clk-mt8516-aud.c b/drivers/clk/mediatek/clk-mt8516-aud.c index 84b26da02ef3..25ffdba741d8 100644 --- a/drivers/clk/mediatek/clk-mt8516-aud.c +++ b/drivers/clk/mediatek/clk-mt8516-aud.c @@ -3,6 +3,7 @@ * Copyright (c) 2019 MediaTek Inc. * Author: James Liao <jamesjj.liao@mediatek.com> * Fabien Parent <fparent@baylibre.com> + * Copyright (c) 2023 Collabora Ltd. */ #include <linux/clk-provider.h> @@ -26,7 +27,7 @@ static const struct mtk_gate_regs aud_cg_regs = { GATE_MTK(_id, _name, _parent, &aud_cg_regs, _shift, \ &mtk_clk_gate_ops_no_setclr) -static const struct mtk_gate aud_clks[] __initconst = { +static const struct mtk_gate aud_clks[] = { GATE_AUD(CLK_AUD_AFE, "aud_afe", "clk26m_ck", 2), GATE_AUD(CLK_AUD_I2S, "aud_i2s", "i2s_infra_bck", 6), GATE_AUD(CLK_AUD_22M, "aud_22m", "rg_aud_engen1", 8), @@ -42,19 +43,25 @@ static const struct mtk_gate aud_clks[] __initconst = { GATE_AUD(CLK_AUD_TML, "aud_tml", "aud_afe", 27), }; -static void __init mtk_audsys_init(struct device_node *node) -{ - struct clk_hw_onecell_data *clk_data; - int r; - - clk_data = mtk_alloc_clk_data(CLK_AUD_NR_CLK); +static const struct mtk_clk_desc aud_desc = { + .clks = aud_clks, + .num_clks = ARRAY_SIZE(aud_clks), +}; - mtk_clk_register_gates(NULL, node, aud_clks, ARRAY_SIZE(aud_clks), clk_data); +static const struct of_device_id of_match_clk_mt8516_aud[] = { + { .compatible = "mediatek,mt8516-audsys", .data = &aud_desc }, + { /* sentinel */ } +}; - r = of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data); - if (r) - pr_err("%s(): could not register clock provider: %d\n", - __func__, r); +static struct platform_driver clk_mt8516_aud_drv = { + .probe = mtk_clk_simple_probe, + .remove = mtk_clk_simple_remove, + .driver = { + .name = "clk-mt8516-aud", + .of_match_table = of_match_clk_mt8516_aud, + }, +}; +builtin_platform_driver(clk_mt8516_aud_drv); -} -CLK_OF_DECLARE(mtk_audsys, "mediatek,mt8516-audsys", mtk_audsys_init); +MODULE_DESCRIPTION("MediaTek MT8516 audiosys clocks driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/clk/mediatek/clk-mt8516.c b/drivers/clk/mediatek/clk-mt8516.c index 202a9820008f..d2940b212447 100644 --- a/drivers/clk/mediatek/clk-mt8516.c +++ b/drivers/clk/mediatek/clk-mt8516.c @@ -3,6 +3,7 @@ * Copyright (c) 2019 MediaTek Inc. * Author: James Liao <jamesjj.liao@mediatek.com> * Fabien Parent <fparent@baylibre.com> + * Copyright (c) 2023 Collabora Ltd. */ #include <linux/delay.h> @@ -10,6 +11,7 @@ #include <linux/of_address.h> #include <linux/slab.h> #include <linux/mfd/syscon.h> +#include <linux/platform_device.h> #include "clk-gate.h" #include "clk-mtk.h" @@ -644,59 +646,41 @@ static const struct mtk_gate top_clks[] __initconst = { GATE_TOP5(CLK_TOP_APLL12_DIV6, "apll12_div6", "apll12_ck_div6", 8), }; -static void __init mtk_topckgen_init(struct device_node *node) -{ - struct clk_hw_onecell_data *clk_data; - int r; - void __iomem *base; - - base = of_iomap(node, 0); - if (!base) { - pr_err("%s(): ioremap failed\n", __func__); - return; - } +static const struct mtk_clk_desc topck_desc = { + .clks = top_clks, + .num_clks = ARRAY_SIZE(top_clks), + .fixed_clks = fixed_clks, + .num_fixed_clks = ARRAY_SIZE(fixed_clks), + .factor_clks = top_divs, + .num_factor_clks = ARRAY_SIZE(top_divs), + .composite_clks = top_muxes, + .num_composite_clks = ARRAY_SIZE(top_muxes), + .divider_clks = top_adj_divs, + .num_divider_clks = ARRAY_SIZE(top_adj_divs), + .clk_lock = &mt8516_clk_lock, +}; - clk_data = mtk_alloc_clk_data(CLK_TOP_NR_CLK); +static const struct mtk_clk_desc infra_desc = { + .composite_clks = ifr_muxes, + .num_composite_clks = ARRAY_SIZE(ifr_muxes), + .clk_lock = &mt8516_clk_lock, +}; - mtk_clk_register_fixed_clks(fixed_clks, ARRAY_SIZE(fixed_clks), - clk_data); - mtk_clk_register_gates(NULL, node, top_clks, ARRAY_SIZE(top_clks), clk_data); +static const struct of_device_id of_match_clk_mt8516[] = { + { .compatible = "mediatek,mt8516-topckgen", .data = &topck_desc }, + { .compatible = "mediatek,mt8516-infracfg", .data = &infra_desc }, + { /* sentinel */ } +}; - mtk_clk_register_factors(top_divs, ARRAY_SIZE(top_divs), clk_data); - mtk_clk_register_composites(NULL, top_muxes, - ARRAY_SIZE(top_muxes), base, - &mt8516_clk_lock, clk_data); - mtk_clk_register_dividers(top_adj_divs, ARRAY_SIZE(top_adj_divs), - base, &mt8516_clk_lock, clk_data); +static struct platform_driver clk_mt8516_drv = { + .probe = mtk_clk_simple_probe, + .remove = mtk_clk_simple_remove, + .driver = { + .name = "clk-mt8516", + .of_match_table = of_match_clk_mt8516, + }, +}; +module_platform_driver(clk_mt8516_drv); - r = of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data); - if (r) - pr_err("%s(): could not register clock provider: %d\n", - __func__, r); -} -CLK_OF_DECLARE(mtk_topckgen, "mediatek,mt8516-topckgen", mtk_topckgen_init); - -static void __init mtk_infracfg_init(struct device_node *node) -{ - struct clk_hw_onecell_data *clk_data; - int r; - void __iomem *base; - - base = of_iomap(node, 0); - if (!base) { - pr_err("%s(): ioremap failed\n", __func__); - return; - } - - clk_data = mtk_alloc_clk_data(CLK_IFR_NR_CLK); - - mtk_clk_register_composites(NULL, ifr_muxes, - ARRAY_SIZE(ifr_muxes), base, - &mt8516_clk_lock, clk_data); - - r = of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data); - if (r) - pr_err("%s(): could not register clock provider: %d\n", - __func__, r); -} -CLK_OF_DECLARE(mtk_infracfg, "mediatek,mt8516-infracfg", mtk_infracfg_init); +MODULE_DESCRIPTION("MediaTek MT8516 clocks driver"); +MODULE_LICENSE("GPL"); -- 2.39.1
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