drm/panel: panel-simple: add LOGIC Technologies LTTD800480070-L2RT panel

Add support for the Logic Technologies LTTD800x480 L2RT 7" 800x480 TFT
Resistive Touch Module.

Signed-off-by: Søren Andersen <san@skov.dk>
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20210930100501.15690-3-o.rempel@pengutronix.de

diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c
index 7f3e1b8..eb475a3 100644 (file)
--- a/drivers/gpu/drm/panel/panel-simple.c
+++ b/drivers/gpu/drm/panel/panel-simple.c
@@ -2370,6 +2370,38 @@ static const struct panel_desc logictechno_lt170410_2whc = {
        .connector_type = DRM_MODE_CONNECTOR_LVDS,
 };
 
+static const struct drm_display_mode logictechno_lttd800480070_l2rt_mode = {
+       .clock = 33000,
+       .hdisplay = 800,
+       .hsync_start = 800 + 112,
+       .hsync_end = 800 + 112 + 3,
+       .htotal = 800 + 112 + 3 + 85,
+       .vdisplay = 480,
+       .vsync_start = 480 + 38,
+       .vsync_end = 480 + 38 + 3,
+       .vtotal = 480 + 38 + 3 + 29,
+       .flags = DRM_MODE_FLAG_NVSYNC | DRM_MODE_FLAG_NHSYNC,
+};
+
+static const struct panel_desc logictechno_lttd800480070_l2rt = {
+       .modes = &logictechno_lttd800480070_l2rt_mode,
+       .num_modes = 1,
+       .bpc = 8,
+       .size = {
+               .width = 154,
+               .height = 86,
+       },
+       .delay = {
+               .prepare = 45,
+               .enable = 100,
+               .disable = 100,
+               .unprepare = 45
+       },
+       .bus_format = MEDIA_BUS_FMT_RGB888_1X24,
+       .bus_flags = DRM_BUS_FLAG_PIXDATA_SAMPLE_NEGEDGE,
+       .connector_type = DRM_MODE_CONNECTOR_DPI,
+};
+
 static const struct drm_display_mode logictechno_lttd800480070_l6wh_rt_mode = {
        .clock = 33000,
        .hdisplay = 800,
@@ -3751,6 +3783,9 @@ static const struct of_device_id platform_of_match[] = {
                .compatible = "logictechno,lt170410-2whc",
                .data = &logictechno_lt170410_2whc,
        }, {
+               .compatible = "logictechno,lttd800480070-l2rt",
+               .data = &logictechno_lttd800480070_l2rt,
+       }, {
                .compatible = "logictechno,lttd800480070-l6wh-rt",
                .data = &logictechno_lttd800480070_l6wh_rt,
        }, {