clk: mediatek: mt8173: Migrate pericfg/topckgen to mtk_clk_simple_probe()

Function mtk_clk_simple_probe() gained the ability to register multiple
clock types: migrate MT8173's pericfg and topckgen to this common
probe function to reduce duplication and code size.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Miles Chen <miles.chen@mediatek.com>
Reviewed-by: Chen-Yu Tsai <wenst@chromium.org>
Link: https://lore.kernel.org/r/20230120092053.182923-14-angelogioacchino.delregno@collabora.com
Tested-by: Mingming Su <mingming.su@mediatek.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>

1 files changed, 14 insertions, 63 deletions

diff --git a/drivers/clk/mediatek/clk-mt8173-topckgen.c b/drivers/clk/mediatek/clk-mt8173-topckgen.c
index cfcfd016357a..257961528fe2 100644
--- a/drivers/clk/mediatek/clk-mt8173-topckgen.c
+++ b/drivers/clk/mediatek/clk-mt8173-topckgen.c
@@ -421,6 +421,7 @@ static const char * const i2s3_b_ck_parents[] = {
 };
 
 static const struct mtk_fixed_clk fixed_clks[] = {
+	FIXED_CLK(CLK_DUMMY, "topck_dummy", "clk26m", DUMMY_RATE),
 	FIXED_CLK(CLK_TOP_CLKPH_MCK_O, "clkph_mck_o", "clk26m", DUMMY_RATE),
 	FIXED_CLK(CLK_TOP_USB_SYSPLL_125M, "usb_syspll_125m", "clk26m", 125 * MHZ),
 	FIXED_CLK(CLK_TOP_DSI0_DIG, "dsi0_dig", "clk26m", DUMMY_RATE),
@@ -623,78 +624,28 @@ static const struct mtk_composite top_muxes[] = {
 	MUX(CLK_TOP_I2S3_B_SEL, "i2s3_b_ck_sel", i2s3_b_ck_parents, 0x120, 8, 1),
 };
 
+static const struct mtk_clk_desc topck_desc = {
+	.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),
+	.clk_lock = &mt8173_top_clk_lock,
+};
+
 static const struct of_device_id of_match_clk_mt8173_topckgen[] = {
-	{ .compatible = "mediatek,mt8173-topckgen" },
+	{ .compatible = "mediatek,mt8173-topckgen", .data = &topck_desc },
 	{ /* sentinel */ }
 };
 
-static int clk_mt8173_topckgen_probe(struct platform_device *pdev)
-{
-	struct device_node *node = pdev->dev.of_node;
-	struct clk_hw_onecell_data *clk_data;
-	void __iomem *base;
-	int r;
-
-	base = devm_platform_ioremap_resource(pdev, 0);
-	if (IS_ERR(base))
-		return PTR_ERR(base);
-
-	clk_data = mtk_alloc_clk_data(CLK_TOP_NR_CLK);
-	if (IS_ERR_OR_NULL(clk_data))
-		return -ENOMEM;
-
-	r = mtk_clk_register_fixed_clks(fixed_clks, ARRAY_SIZE(fixed_clks), clk_data);
-	if (r)
-		goto free_clk_data;
-
-	r = mtk_clk_register_factors(top_divs, ARRAY_SIZE(top_divs), clk_data);
-	if (r)
-		goto unregister_fixed_clks;
-
-	r = mtk_clk_register_composites(&pdev->dev, top_muxes,
-					ARRAY_SIZE(top_muxes), base,
-					&mt8173_top_clk_lock, clk_data);
-	if (r)
-		goto unregister_factors;
-
-	r = of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data);
-	if (r)
-		goto unregister_composites;
-
-	return 0;
-
-unregister_composites:
-	mtk_clk_unregister_composites(top_muxes, ARRAY_SIZE(top_muxes), clk_data);
-unregister_factors:
-	mtk_clk_unregister_factors(top_divs, ARRAY_SIZE(top_divs), clk_data);
-unregister_fixed_clks:
-	mtk_clk_unregister_fixed_clks(fixed_clks, ARRAY_SIZE(fixed_clks), clk_data);
-free_clk_data:
-	mtk_free_clk_data(clk_data);
-	return r;
-}
-
-static int clk_mt8173_topckgen_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(top_muxes, ARRAY_SIZE(top_muxes), clk_data);
-	mtk_clk_unregister_factors(top_divs, ARRAY_SIZE(top_divs), clk_data);
-	mtk_clk_unregister_fixed_clks(fixed_clks, ARRAY_SIZE(fixed_clks), clk_data);
-	mtk_free_clk_data(clk_data);
-
-	return 0;
-}
-
 static struct platform_driver clk_mt8173_topckgen_drv = {
 	.driver = {
 		.name = "clk-mt8173-topckgen",
 		.of_match_table = of_match_clk_mt8173_topckgen,
 	},
-	.probe = clk_mt8173_topckgen_probe,
-	.remove = clk_mt8173_topckgen_remove,
+	.probe = mtk_clk_simple_probe,
+	.remove = mtk_clk_simple_remove,
 };
 module_platform_driver(clk_mt8173_topckgen_drv);