ON Tat Industrial Company KD50G21-40NT-A1 is a 5" WVGA LCD panel with DPI interface. The LCD module specification can be found at: https://cdn-shop.adafruit.com/datasheets/KD50G21-40NT-A1.pdf Signed-off-by: Liu Ying <victor.liu@xxxxxxx> --- drivers/gpu/drm/panel/panel-simple.c | 36 ++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c index bf40057c5cf3..89963df80917 100644 --- a/drivers/gpu/drm/panel/panel-simple.c +++ b/drivers/gpu/drm/panel/panel-simple.c @@ -3478,6 +3478,39 @@ static const struct panel_desc olimex_lcd_olinuxino_43ts = { .bus_format = MEDIA_BUS_FMT_RGB888_1X24, }; +static const struct display_timing ontat_kd50g21_40nt_a1_timing = { + .pixelclock = { 30000000, 30000000, 50000000 }, + .hactive = { 800, 800, 800 }, + .hfront_porch = { 1, 40, 255 }, + .hback_porch = { 1, 40, 87 }, + .hsync_len = { 1, 48, 87 }, + .vactive = { 480, 480, 480 }, + .vfront_porch = { 1, 13, 255 }, + .vback_porch = { 1, 29, 29 }, + .vsync_len = { 3, 3, 31 }, + .flags = DISPLAY_FLAGS_HSYNC_LOW | DISPLAY_FLAGS_VSYNC_LOW | + DISPLAY_FLAGS_DE_HIGH | DISPLAY_FLAGS_PIXDATA_POSEDGE, +}; + +static const struct panel_desc ontat_kd50g21_40nt_a1 = { + .timings = &ontat_kd50g21_40nt_a1_timing, + .num_timings = 1, + .bpc = 8, + .size = { + .width = 108, + .height = 65, + }, + .delay = { + .prepare = 147, /* 5 VSDs */ + .enable = 147, /* 5 VSDs */ + .disable = 88, /* 3 VSDs */ + .unprepare = 117, /* 4 VSDs */ + }, + .bus_format = MEDIA_BUS_FMT_RGB888_1X24, + .bus_flags = DRM_BUS_FLAG_DE_HIGH | DRM_BUS_FLAG_PIXDATA_SAMPLE_NEGEDGE, + .connector_type = DRM_MODE_CONNECTOR_DPI, +}; + /* * 800x480 CVT. The panel appears to be quite accepting, at least as far as * pixel clocks, but this is the timing that was being used in the Adafruit @@ -4837,6 +4870,9 @@ static const struct of_device_id platform_of_match[] = { }, { .compatible = "olimex,lcd-olinuxino-43-ts", .data = &olimex_lcd_olinuxino_43ts, + }, { + .compatible = "ontat,kd50g21-40nt-a1", + .data = &ontat_kd50g21_40nt_a1, }, { .compatible = "ontat,yx700wv03", .data = &ontat_yx700wv03, -- 2.34.1
