[PATCH 2/4] drm/mediatek: Add support for mt8167 Digital Parallel Interface

[Luca Leonardo Scorcia]

Add support for the two DPI blocks found in the mt8167 SoCs. One of them
can be routed to a DPI connector and another is directly connected to the
HDMI IP.

Signed-off-by: Luca Leonardo Scorcia <l.scorcia@xxxxxxxxx>
---
 drivers/gpu/drm/mediatek/mtk_dpi.c     | 23 +++++++++++++++++++++++
 drivers/gpu/drm/mediatek/mtk_drm_drv.c |  2 ++
 2 files changed, 25 insertions(+)

diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c b/drivers/gpu/drm/mediatek/mtk_dpi.c
index 0e4f430de983..9012adeb63d0 100644
--- a/drivers/gpu/drm/mediatek/mtk_dpi.c
+++ b/drivers/gpu/drm/mediatek/mtk_dpi.c
@@ -1114,6 +1114,10 @@ static const struct mtk_dpi_factor dpi_factor_mt2701[] = {
 	{ 64000, 4 }, { 128000, 2 }, { U32_MAX, 1 }
 };
 
+static const struct mtk_dpi_factor dpi_factor_mt8167[] = {
+	{ 64000, 16 }, { 74250, 8 }, { 160000, 4 }, { U32_MAX, 2 }
+};
+
 static const struct mtk_dpi_factor dpi_factor_mt8173[] = {
 	{ 27000, 48 }, { 84000, 24 }, { 167000, 12 }, { U32_MAX, 6 }
 };
@@ -1163,6 +1167,24 @@ static const struct mtk_dpi_conf mt2701_conf = {
 	.csc_enable_bit = CSC_ENABLE,
 };
 
+static const struct mtk_dpi_conf mt8167_conf = {
+	.dpi_factor = dpi_factor_mt8167,
+	.num_dpi_factor = ARRAY_SIZE(dpi_factor_mt8167),
+	.reg_h_fre_con = 0xe0,
+	.max_clock_khz = 150000,
+	.output_fmts = mt8173_output_fmts,
+	.num_output_fmts = ARRAY_SIZE(mt8173_output_fmts),
+	.pixels_per_iter = 1,
+	.is_ck_de_pol = true,
+	.swap_input_support = true,
+	.support_direct_pin = true,
+	.dimension_mask = HPW_MASK,
+	.hvsize_mask = HSIZE_MASK,
+	.channel_swap_shift = CH_SWAP,
+	.yuv422_en_bit = YUV422_EN,
+	.csc_enable_bit = CSC_ENABLE,
+};
+
 static const struct mtk_dpi_conf mt8183_conf = {
 	.dpi_factor = dpi_factor_mt8183,
 	.num_dpi_factor = ARRAY_SIZE(dpi_factor_mt8183),
@@ -1342,6 +1364,7 @@ static void mtk_dpi_remove(struct platform_device *pdev)
 
 static const struct of_device_id mtk_dpi_of_ids[] = {
 	{ .compatible = "mediatek,mt2701-dpi", .data = &mt2701_conf },
+	{ .compatible = "mediatek,mt8167-dpi", .data = &mt8167_conf },
 	{ .compatible = "mediatek,mt8173-dpi", .data = &mt8173_conf },
 	{ .compatible = "mediatek,mt8183-dpi", .data = &mt8183_conf },
 	{ .compatible = "mediatek,mt8186-dpi", .data = &mt8186_conf },
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
index c86a3f54f35b..64c87221d931 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
@@ -802,6 +802,8 @@ static const struct of_device_id mtk_ddp_comp_dt_ids[] = {
 	  .data = (void *)MTK_DPI },
 	{ .compatible = "mediatek,mt8167-dsi",
 	  .data = (void *)MTK_DSI },
+	{ .compatible = "mediatek,mt8167-dpi",
+	  .data = (void *)MTK_DPI },
 	{ .compatible = "mediatek,mt8173-dpi",
 	  .data = (void *)MTK_DPI },
 	{ .compatible = "mediatek,mt8183-dpi",
-- 
2.43.0