linux-kernel - [PATCH 1/4] clk/soc: mediatek: mt8183: Bind clock driver from platform device

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Date:   Mon, 18 May 2020 13:31:53 +0200
From:   matthias.bgg@...nel.org
To:     Rob Herring <robh+dt@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>
Cc:     mtk01761 <wendell.lin@...iatek.com>, devicetree@...r.kernel.org,
        Allison Randal <allison@...utok.net>,
        linux-kernel@...r.kernel.org, Thomas Gleixner <tglx@...utronix.de>,
        linux-mediatek@...ts.infradead.org,
        Kate Stewart <kstewart@...uxfoundation.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-clk@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: [PATCH 1/4] clk/soc: mediatek: mt8183: Bind clock driver from platform device

From: Matthias Brugger <matthias.bgg@...il.com>

The mmsys driver is now the top level entry point for the multimedia
system (mmsys), we bind the clock driver by creating a platform device.
We also bind the MediaTek DRM driver which is not yet implement and
therefor will errror out for now.

Signed-off-by: Matthias Brugger <matthias.bgg@...il.com>
---

 drivers/clk/mediatek/clk-mt8183-mm.c | 9 ++-------
 drivers/soc/mediatek/mtk-mmsys.c     | 8 ++++++++
 2 files changed, 10 insertions(+), 7 deletions(-)

diff --git a/drivers/clk/mediatek/clk-mt8183-mm.c b/drivers/clk/mediatek/clk-mt8183-mm.c
index 720c696b506d..9d60e09619c1 100644
--- a/drivers/clk/mediatek/clk-mt8183-mm.c
+++ b/drivers/clk/mediatek/clk-mt8183-mm.c
@@ -84,8 +84,9 @@ static const struct mtk_gate mm_clks[] = {
 
 static int clk_mt8183_mm_probe(struct platform_device *pdev)
 {
+	struct device *dev = &pdev->dev;
+	struct device_node *node = dev->parent->of_node;
 	struct clk_onecell_data *clk_data;
-	struct device_node *node = pdev->dev.of_node;
 
 	clk_data = mtk_alloc_clk_data(CLK_MM_NR_CLK);
 
@@ -95,16 +96,10 @@ static int clk_mt8183_mm_probe(struct platform_device *pdev)
 	return of_clk_add_provider(node, of_clk_src_onecell_get, clk_data);
 }
 
-static const struct of_device_id of_match_clk_mt8183_mm[] = {
-	{ .compatible = "mediatek,mt8183-mmsys", },
-	{}
-};
-
 static struct platform_driver clk_mt8183_mm_drv = {
 	.probe = clk_mt8183_mm_probe,
 	.driver = {
 		.name = "clk-mt8183-mm",
-		.of_match_table = of_match_clk_mt8183_mm,
 	},
 };
 
diff --git a/drivers/soc/mediatek/mtk-mmsys.c b/drivers/soc/mediatek/mtk-mmsys.c
index cacafe23c823..783c3dd008b2 100644
--- a/drivers/soc/mediatek/mtk-mmsys.c
+++ b/drivers/soc/mediatek/mtk-mmsys.c
@@ -92,6 +92,10 @@ static const struct mtk_mmsys_driver_data mt8173_mmsys_driver_data = {
 	.clk_driver = "clk-mt8173-mm",
 };
 
+static const struct mtk_mmsys_driver_data mt8183_mmsys_driver_data = {
+	.clk_driver = "clk-mt8183-mm",
+};
+
 static unsigned int mtk_mmsys_ddp_mout_en(enum mtk_ddp_comp_id cur,
 					  enum mtk_ddp_comp_id next,
 					  unsigned int *addr)
@@ -339,6 +343,10 @@ static const struct of_device_id of_match_mtk_mmsys[] = {
 		.compatible = "mediatek,mt8173-mmsys",
 		.data = &mt8173_mmsys_driver_data,
 	},
+	{
+		.compatible = "mediatek,mt8183-mmsys",
+		.data = &mt8183_mmsys_driver_data,
+	},
 	{ }
 };
 
-- 
2.26.2