drm/panel: simple: Add support for the Frida FRD350H54004 panel

The FRD350H54004 is a simple 3.5" 320x240 24-bit TFT panel, found for
instance inside the Anbernic RG-350 handheld gaming console.

v2: Order alphabetically
v3: Add connector_type, and update timings according to the constraints
    listed in the datasheet

Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20200113161741.32061-3-paul@crapouillou.net

diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c
index e14c14a..d6f77bc 100644 (file)
--- a/drivers/gpu/drm/panel/panel-simple.c
+++ b/drivers/gpu/drm/panel/panel-simple.c
@@ -1440,6 +1440,33 @@ static const struct panel_desc foxlink_fl500wvr00_a0t = {
        .bus_format = MEDIA_BUS_FMT_RGB888_1X24,
 };
 
+static const struct drm_display_mode frida_frd350h54004_mode = {
+       .clock = 6000,
+       .hdisplay = 320,
+       .hsync_start = 320 + 44,
+       .hsync_end = 320 + 44 + 16,
+       .htotal = 320 + 44 + 16 + 20,
+       .vdisplay = 240,
+       .vsync_start = 240 + 2,
+       .vsync_end = 240 + 2 + 6,
+       .vtotal = 240 + 2 + 6 + 2,
+       .vrefresh = 60,
+       .flags = DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC,
+};
+
+static const struct panel_desc frida_frd350h54004 = {
+       .modes = &frida_frd350h54004_mode,
+       .num_modes = 1,
+       .bpc = 8,
+       .size = {
+               .width = 77,
+               .height = 64,
+       },
+       .bus_format = MEDIA_BUS_FMT_RGB888_1X24,
+       .bus_flags = DRM_BUS_FLAG_DE_HIGH | DRM_BUS_FLAG_PIXDATA_POSEDGE,
+       .connector_type = DRM_MODE_CONNECTOR_DPI,
+};
+
 static const struct drm_display_mode friendlyarm_hd702e_mode = {
        .clock          = 67185,
        .hdisplay       = 800,
@@ -3309,6 +3336,9 @@ static const struct of_device_id platform_of_match[] = {
        }, {
                .compatible = "foxlink,fl500wvr00-a0t",
                .data = &foxlink_fl500wvr00_a0t,
+       }, {
+               .compatible = "frida,frd350h54004",
+               .data = &frida_frd350h54004,
        }, {
                .compatible = "friendlyarm,hd702e",
                .data = &friendlyarm_hd702e,