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authorAlex Bee <knaerzche@gmail.com>2024-05-09 16:06:51 +0200
committerHeiko Stuebner <heiko@sntech.de>2024-05-28 11:53:44 +0200
commit62545c719e26ec9f62efab7e9582deb73265b6d0 (patch)
tree4b0ab66fa8e18c1b8d3b5ccfb9c2a28374e5270c /drivers/gpu
parent9bb3d9ad3e19f16efc34f427a58e480424c56a16 (diff)
drm/rockchip: dsi: Add support for RK3128
The DesignWare MIPI DSI controller found RK3128 SoCs supports up to 4 DSI data lanes. Similar to PX30/RK356x/RV1126 it uses an external D-PHY. Signed-off-by: Alex Bee <knaerzche@gmail.com> Signed-off-by: Heiko Stuebner <heiko@sntech.de> Link: https://patchwork.freedesktop.org/patch/msgid/20240509140653.168591-6-knaerzche@gmail.com
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/rockchip/dw-mipi-dsi-rockchip.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/gpu/drm/rockchip/dw-mipi-dsi-rockchip.c b/drivers/gpu/drm/rockchip/dw-mipi-dsi-rockchip.c
index 4cc8ed8f4fbd..58a44af0e9ad 100644
--- a/drivers/gpu/drm/rockchip/dw-mipi-dsi-rockchip.c
+++ b/drivers/gpu/drm/rockchip/dw-mipi-dsi-rockchip.c
@@ -153,6 +153,11 @@
#define PX30_DSI_TURNDISABLE BIT(5)
#define PX30_DSI_LCDC_SEL BIT(0)
+#define RK3128_GRF_LVDS_CON0 0x0150
+#define RK3128_DSI_FORCETXSTOPMODE GENMASK(13, 10)
+#define RK3128_DSI_FORCERXMODE BIT(9)
+#define RK3128_DSI_TURNDISABLE BIT(8)
+
#define RK3288_GRF_SOC_CON6 0x025c
#define RK3288_DSI0_LCDC_SEL BIT(6)
#define RK3288_DSI1_LCDC_SEL BIT(9)
@@ -1493,6 +1498,18 @@ static const struct rockchip_dw_dsi_chip_data px30_chip_data[] = {
{ /* sentinel */ }
};
+static const struct rockchip_dw_dsi_chip_data rk3128_chip_data[] = {
+ {
+ .reg = 0x10110000,
+ .lanecfg1_grf_reg = RK3128_GRF_LVDS_CON0,
+ .lanecfg1 = HIWORD_UPDATE(0, RK3128_DSI_TURNDISABLE |
+ RK3128_DSI_FORCERXMODE |
+ RK3128_DSI_FORCETXSTOPMODE),
+ .max_data_lanes = 4,
+ },
+ { /* sentinel */ }
+};
+
static const struct rockchip_dw_dsi_chip_data rk3288_chip_data[] = {
{
.reg = 0xff960000,
@@ -1671,6 +1688,9 @@ static const struct of_device_id dw_mipi_dsi_rockchip_dt_ids[] = {
.compatible = "rockchip,px30-mipi-dsi",
.data = &px30_chip_data,
}, {
+ .compatible = "rockchip,rk3128-mipi-dsi",
+ .data = &rk3128_chip_data,
+ }, {
.compatible = "rockchip,rk3288-mipi-dsi",
.data = &rk3288_chip_data,
}, {