drm/panel: simple: add CMT430B19N00 LCD panel support

Add support for Crystal Clear Technology CMT430B19N00 4.3" 480x272
TFT-LCD panel.

Suggested-by: Maxime Ripard <mripard@kernel.org>
Signed-off-by: Jérémie Dautheribes <jeremie.dautheribes@bootlin.com>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20240313172016.387277-4-jeremie.dautheribes@bootlin.com
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20240313172016.387277-4-jeremie.dautheribes@bootlin.com

diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c
index 20e3df1c59d48e91ab8578efff999b517eb8a87f..d13c42d0f57b0c67482743e97aae4fb22a27253c 100644 (file)
--- a/drivers/gpu/drm/panel/panel-simple.c
+++ b/drivers/gpu/drm/panel/panel-simple.c
@@ -1457,6 +1457,32 @@ static const struct panel_desc boe_hv070wsa = {
        .connector_type = DRM_MODE_CONNECTOR_LVDS,
 };
 
+static const struct display_timing cct_cmt430b19n00_timing = {
+       .pixelclock = { 8000000, 9000000, 12000000 },
+       .hactive = { 480, 480, 480 },
+       .hfront_porch = { 2, 8, 75 },
+       .hback_porch = { 3, 43, 43 },
+       .hsync_len = { 2, 4, 75 },
+       .vactive = { 272, 272, 272 },
+       .vfront_porch = { 2, 8, 37 },
+       .vback_porch = { 2, 12, 12 },
+       .vsync_len = { 2, 4, 37 },
+       .flags = DISPLAY_FLAGS_HSYNC_LOW | DISPLAY_FLAGS_VSYNC_LOW
+};
+
+static const struct panel_desc cct_cmt430b19n00 = {
+       .timings = &cct_cmt430b19n00_timing,
+       .num_timings = 1,
+       .bpc = 8,
+       .size = {
+               .width = 95,
+               .height = 53,
+       },
+       .bus_format = MEDIA_BUS_FMT_RGB888_1X24,
+       .bus_flags = DRM_BUS_FLAG_DE_HIGH | DRM_BUS_FLAG_PIXDATA_DRIVE_NEGEDGE,
+       .connector_type = DRM_MODE_CONNECTOR_DPI,
+};
+
 static const struct drm_display_mode cdtech_s043wq26h_ct7_mode = {
        .clock = 9000,
        .hdisplay = 480,
@@ -4402,6 +4428,9 @@ static const struct of_device_id platform_of_match[] = {
        }, {
                .compatible = "boe,hv070wsa-100",
                .data = &boe_hv070wsa
+       }, {
+               .compatible = "cct,cmt430b19n00",
+               .data = &cct_cmt430b19n00,
        }, {
                .compatible = "cdtech,s043wq26h-ct7",
                .data = &cdtech_s043wq26h_ct7,