2021-04-06 07:48:21

by Fabien Parent

[permalink] [raw]
Subject: [PATCH v2 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 <[email protected]>
---

V2: Rebased on top of [0]

[0] https://git.kernel.org/pub/scm/linux/kernel/git/matthias.bgg/linux.git/log/?h=for-next

drivers/soc/mediatek/mt8167-mmsys.h | 35 +++++++++++++++++++++++++++++
drivers/soc/mediatek/mtk-mmsys.c | 11 +++++++++
2 files changed, 46 insertions(+)
create mode 100644 drivers/soc/mediatek/mt8167-mmsys.h

diff --git a/drivers/soc/mediatek/mt8167-mmsys.h b/drivers/soc/mediatek/mt8167-mmsys.h
new file mode 100644
index 000000000000..2772ef5e3934
--- /dev/null
+++ b/drivers/soc/mediatek/mt8167-mmsys.h
@@ -0,0 +1,35 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#ifndef __SOC_MEDIATEK_MT8167_MMSYS_H
+#define __SOC_MEDIATEK_MT8167_MMSYS_H
+
+#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 0x1
+#define MT8167_RDMA0_SOUT_DSI0 0x2
+#define MT8167_DSI0_SEL_IN_RDMA0 0x1
+
+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,
+ }, {
+ DDP_COMPONENT_DITHER, DDP_COMPONENT_RDMA0,
+ MT8167_DISP_REG_CONFIG_DISP_DITHER_MOUT_EN, MT8167_DITHER_MOUT_EN_RDMA0
+ }, {
+ DDP_COMPONENT_OVL0, DDP_COMPONENT_COLOR0,
+ MT8167_DISP_REG_CONFIG_DISP_COLOR0_SEL_IN, COLOR0_SEL_IN_OVL0
+ }, {
+ DDP_COMPONENT_RDMA0, DDP_COMPONENT_DSI0,
+ MT8167_DISP_REG_CONFIG_DISP_DSI0_SEL_IN, MT8167_DSI0_SEL_IN_RDMA0
+ }, {
+ DDP_COMPONENT_RDMA0, DDP_COMPONENT_DSI0,
+ MT8167_DISP_REG_CONFIG_DISP_RDMA0_SOUT_SEL_IN, MT8167_RDMA0_SOUT_DSI0
+ },
+};
+
+#endif /* __SOC_MEDIATEK_MT8167_MMSYS_H */
diff --git a/drivers/soc/mediatek/mtk-mmsys.c b/drivers/soc/mediatek/mtk-mmsys.c
index 79e55150210e..080660ef11bf 100644
--- a/drivers/soc/mediatek/mtk-mmsys.c
+++ b/drivers/soc/mediatek/mtk-mmsys.c
@@ -11,6 +11,7 @@
#include <linux/soc/mediatek/mtk-mmsys.h>

#include "mtk-mmsys.h"
+#include "mt8167-mmsys.h"
#include "mt8183-mmsys.h"

static const struct mtk_mmsys_driver_data mt2701_mmsys_driver_data = {
@@ -33,6 +34,12 @@ static const struct mtk_mmsys_driver_data mt6797_mmsys_driver_data = {
.clk_driver = "clk-mt6797-mm",
};

+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 = mmsys_default_routing_table,
@@ -138,6 +145,10 @@ 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,
--
2.31.0