Commit c5f34f63 authored by AngeloGioacchino Del Regno's avatar AngeloGioacchino Del Regno Committed by Stephen Boyd
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clk: mediatek: mt8186-mcu: Migrate to common probe mechanism 



Convert MT8186 MCUSYS clocks to the common mtk_clk_simple_probe().

Signed-off-by: default avatarAngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: default avatarChen-Yu Tsai <wenst@chromium.org>
Tested-by: default avatarChen-Yu Tsai <wenst@chromium.org>
Link: https://lore.kernel.org/r/20230306140543.1813621-36-angelogioacchino.delregno@collabora.com


Signed-off-by: default avatarStephen Boyd <sboyd@kernel.org>
parent 1d04e300

drivers/clk/mediatek/clk-mt8186-mcu.c

+13 −55
Original line number Diff line number Diff line
@@ -43,67 +43,25 @@ static struct mtk_composite mcu_muxes[] = { 
	MUX(CLK_MCU_ARMPLL_BUS_SEL, "mcu_armpll_bus_sel", mcu_armpll_bus_parents, 0x2E0, 9, 2),

};



static const struct of_device_id of_match_clk_mt8186_mcu[] = {

	{ .compatible = "mediatek,mt8186-mcusys", },

	{}

static const struct mtk_clk_desc mcu_desc = {

	.composite_clks = mcu_muxes,

	.num_composite_clks = ARRAY_SIZE(mcu_muxes),

};



static int clk_mt8186_mcu_probe(struct platform_device *pdev)

{

	struct clk_hw_onecell_data *clk_data;

	struct device_node *node = pdev->dev.of_node;

	int r;

	void __iomem *base;



	clk_data = mtk_alloc_clk_data(CLK_MCU_NR_CLK);

	if (!clk_data)

		return -ENOMEM;



	base = devm_platform_ioremap_resource(pdev, 0);

	if (IS_ERR(base)) {

		r = PTR_ERR(base);

		goto free_mcu_data;

	}



	r = mtk_clk_register_composites(&pdev->dev, mcu_muxes,

					ARRAY_SIZE(mcu_muxes), base,

					NULL, clk_data);

	if (r)

		goto free_mcu_data;



	r = of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data);

	if (r)

		goto unregister_composite_muxes;



	platform_set_drvdata(pdev, clk_data);



	return r;



unregister_composite_muxes:

	mtk_clk_unregister_composites(mcu_muxes, ARRAY_SIZE(mcu_muxes), clk_data);

free_mcu_data:

	mtk_free_clk_data(clk_data);

	return r;

}



static int clk_mt8186_mcu_remove(struct platform_device *pdev)

{

	struct clk_hw_onecell_data *clk_data = platform_get_drvdata(pdev);

	struct device_node *node = pdev->dev.of_node;



	of_clk_del_provider(node);

	mtk_clk_unregister_composites(mcu_muxes, ARRAY_SIZE(mcu_muxes), clk_data);

	mtk_free_clk_data(clk_data);



	return 0;

}

static const struct of_device_id of_match_clk_mt8186_mcu[] = {

	{ .compatible = "mediatek,mt8186-mcusys", .data = &mcu_desc },

	{ /* sentinel */}

};



static struct platform_driver clk_mt8186_mcu_drv = {

	.probe = clk_mt8186_mcu_probe,

	.remove = clk_mt8186_mcu_remove,

	.driver = {

		.name = "clk-mt8186-mcu",

		.of_match_table = of_match_clk_mt8186_mcu,

	},

	.probe = mtk_clk_simple_probe,

	.remove = mtk_clk_simple_remove,

};

builtin_platform_driver(clk_mt8186_mcu_drv);
 
module_platform_driver(clk_mt8186_mcu_drv);



MODULE_DESCRIPTION("MediaTek MT8186 mcusys clocks driver");

MODULE_LICENSE("GPL");