linux-kernel - [PATCH 2/2] soc: mediatek: mmsys: Add support for MT8167 SoC

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Message-Id: <20201027160631.608503-2-fparent@baylibre.com>
Date:   Tue, 27 Oct 2020 17:06:30 +0100
From:   Fabien Parent <fparent@...libre.com>
To:     Matthias Brugger <matthias.bgg@...il.com>
Cc:     Fabien Parent <fparent@...libre.com>,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH 2/2] soc: mediatek: mmsys: Add support for MT8167 SoC

Add routing table for DSI on MT8167 SoC. The registers are mostly
incompatible with the current defines, so new one for MT8167 are added.

Signed-off-by: Fabien Parent <fparent@...libre.com>
---

This patch depends on the patch series
"soc: mediatek: Prepare MMSYS for DDP routing using tables"

[0] https://lore.kernel.org/patchwork/cover/1317813/

 drivers/soc/mediatek/mtk-mmsys.c | 50 ++++++++++++++++++++++++++++++++
 1 file changed, 50 insertions(+)

diff --git a/drivers/soc/mediatek/mtk-mmsys.c b/drivers/soc/mediatek/mtk-mmsys.c
index f00d6d08c9c5..9890990a74a9 100644
--- a/drivers/soc/mediatek/mtk-mmsys.c
+++ b/drivers/soc/mediatek/mtk-mmsys.c
@@ -85,6 +85,22 @@
 #define DSI_SEL_IN_RDMA				0x1
 #define DSI_SEL_IN_MASK				0x1
 
+/* MT8167 */
+#define MT8167_DISP_REG_CONFIG_DISP_OVL0_MOUT_EN	0x030
+#define MT8167_DISP_REG_CONFIG_DISP_DITHER_MOUT_EN	0x038
+#define MT8167_DISP_REG_CONFIG_DISP_COLOR0_SEL_IN	0x058
+#define MT8167_DISP_REG_CONFIG_DISP_DSI0_SEL_IN		0x064
+#define MT8167_DISP_REG_CONFIG_DISP_RDMA0_SOUT_SEL_IN	0x06c
+
+#define MT8167_DITHER_MOUT_EN_RDMA0			BIT(0)
+#define MT8167_DITHER_MOUT_EN_MASK			0x7
+
+#define MT8167_RDMA0_SOUT_DSI0				0x2
+#define MT8167_RDMA0_SOUT_MASK				0x3
+
+#define MT8167_DSI0_SEL_IN_RDMA0			0x1
+#define MT8167_DSI0_SEL_IN_MASK				0x3
+
 struct mtk_mmsys_routes {
 	u32 from_comp;
 	u32 to_comp;
@@ -124,6 +140,30 @@ struct mtk_mmsys {
 	const struct mtk_mmsys_driver_data *data;
 };
 
+static const struct mtk_mmsys_routes mt8167_mmsys_routing_table[] = {
+	{
+		DDP_COMPONENT_OVL0, DDP_COMPONENT_COLOR0,
+		MT8167_DISP_REG_CONFIG_DISP_OVL0_MOUT_EN,
+		OVL0_MOUT_EN_COLOR0, OVL0_MOUT_EN_COLOR0
+	}, {
+		DDP_COMPONENT_DITHER, DDP_COMPONENT_RDMA0,
+		MT8167_DISP_REG_CONFIG_DISP_DITHER_MOUT_EN,
+		MT8167_DITHER_MOUT_EN_MASK, MT8167_DITHER_MOUT_EN_RDMA0
+	}, {
+		DDP_COMPONENT_OVL0, DDP_COMPONENT_COLOR0,
+		MT8167_DISP_REG_CONFIG_DISP_COLOR0_SEL_IN,
+		COLOR0_SEL_IN_OVL0, COLOR0_SEL_IN_OVL0
+	}, {
+		DDP_COMPONENT_RDMA0, DDP_COMPONENT_DSI0,
+		MT8167_DISP_REG_CONFIG_DISP_DSI0_SEL_IN,
+		MT8167_DSI0_SEL_IN_MASK, MT8167_DSI0_SEL_IN_RDMA0
+	}, {
+		DDP_COMPONENT_RDMA0, DDP_COMPONENT_DSI0,
+		MT8167_DISP_REG_CONFIG_DISP_RDMA0_SOUT_SEL_IN,
+		MT8167_RDMA0_SOUT_MASK, MT8167_RDMA0_SOUT_DSI0
+	},
+};
+
 static const struct mtk_mmsys_routes mt8173_mmsys_routing_table[] = {
 	{
 		DDP_COMPONENT_BLS, DDP_COMPONENT_DSI0,
@@ -288,6 +328,12 @@ static const struct mtk_mmsys_routes mt8173_mmsys_routing_table[] = {
 	}
 };
 
+static const struct mtk_mmsys_driver_data mt8167_mmsys_driver_data = {
+	.clk_driver = "clk-mt8167-mm",
+	.routes = mt8167_mmsys_routing_table,
+	.num_routes = ARRAY_SIZE(mt8167_mmsys_routing_table),
+};
+
 static const struct mtk_mmsys_driver_data mt8173_mmsys_driver_data = {
 	.clk_driver = "clk-mt8173-mm",
 	.routes = mt8173_mmsys_routing_table,
@@ -385,6 +431,10 @@ static const struct of_device_id of_match_mtk_mmsys[] = {
 		.compatible = "mediatek,mt6797-mmsys",
 		.data = &mt6797_mmsys_driver_data,
 	},
+	{
+		.compatible = "mediatek,mt8167-mmsys",
+		.data = &mt8167_mmsys_driver_data,
+	},
 	{
 		.compatible = "mediatek,mt8173-mmsys",
 		.data = &mt8173_mmsys_driver_data,
-- 
2.28.0