From 11fdb231f4127bf60839a63a8c7ed640ebe4751a Mon Sep 17 00:00:00 2001
From: Jagan Teki <jagan@edgeble.ai>
Date: Mon, 31 Jul 2023 16:30:06 +0530
Subject: [PATCH] drm/rockchip: dsi: Add rv1126 MIPI DSI support
RV1126 MIPI DSI supports V1.2 DPHY with 4 lanes and 1Gbps transfer
rate for lane.
Add support for it.
Signed-off-by: Jagan Teki <jagan@edgeble.ai>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20230731110012.2913742-9-jagan@edgeble.ai
---
.../gpu/drm/rockchip/dw-mipi-dsi-rockchip.c | 20 +++++++++++++++++++
1 file changed, 20 insertions(+)
diff --git a/drivers/gpu/drm/rockchip/dw-mipi-dsi-rockchip.c b/drivers/gpu/drm/rockchip/dw-mipi-dsi-rockchip.c
index 0100162a73b2..8bafb2a2747f 100644
--- a/drivers/gpu/drm/rockchip/dw-mipi-dsi-rockchip.c
+++ b/drivers/gpu/drm/rockchip/dw-mipi-dsi-rockchip.c
@@ -198,6 +198,11 @@
#define RK3568_DSI1_TURNDISABLE BIT(2)
#define RK3568_DSI1_FORCERXMODE BIT(0)
+#define RV1126_GRF_DSIPHY_CON 0x10220
+#define RV1126_DSI_FORCETXSTOPMODE (0xf << 4)
+#define RV1126_DSI_TURNDISABLE BIT(2)
+#define RV1126_DSI_FORCERXMODE BIT(0)
+
#define HIWORD_UPDATE(val, mask) (val | (mask) << 16)
enum {
@@ -1651,6 +1656,18 @@ static const struct rockchip_dw_dsi_chip_data rk3568_chip_data[] = {
{ /* sentinel */ }
};
+static const struct rockchip_dw_dsi_chip_data rv1126_chip_data[] = {
+ {
+ .reg = 0xffb30000,
+ .lanecfg1_grf_reg = RV1126_GRF_DSIPHY_CON,
+ .lanecfg1 = HIWORD_UPDATE(0, RV1126_DSI_TURNDISABLE |
+ RV1126_DSI_FORCERXMODE |
+ RV1126_DSI_FORCETXSTOPMODE),
+ .max_data_lanes = 4,
+ },
+ { /* sentinel */ }
+};
+
static const struct of_device_id dw_mipi_dsi_rockchip_dt_ids[] = {
{
.compatible = "rockchip,px30-mipi-dsi",
@@ -1664,6 +1681,9 @@ static const struct of_device_id dw_mipi_dsi_rockchip_dt_ids[] = {
}, {
.compatible = "rockchip,rk3568-mipi-dsi",
.data = &rk3568_chip_data,
+ }, {
+ .compatible = "rockchip,rv1126-mipi-dsi",
+ .data = &rv1126_chip_data,
},
{ /* sentinel */ }
};
--
GitLab