[PATCH v5 3/3] drm/panel: simple: Add GiantPlus GPM940B0 panel support

Paul Cercueil
2019-06-05T22:23:07Z

The GiantPlus GPM940B0 is a simple 3.0" 320x240 24-bit TFT panel.

Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Tested-by: Artur Rojek <contact@artur-rojek.eu>
---

Notes:
v2: Change bus format to MEDIA_BUS_FMT_RGB888_3X8_BE

v3: No change

v4: Change bus format to MEDIA_BUS_FMT_RGB888_3X8

v5: No change

drivers/gpu/drm/panel/panel-simple.c | 28 ++++++++++++++++++++++++++++
1 file changed, 28 insertions(+)

diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c
index 5a93c4edf1e4..eec9a9efcc73 100644
--- a/drivers/gpu/drm/panel/panel-simple.c
+++ b/drivers/gpu/drm/panel/panel-simple.c
@@ -1335,6 +1335,31 @@ static const struct panel_desc giantplus_gpg482739qs5 = {
.bus_format = MEDIA_BUS_FMT_RGB888_1X24,
};

+static const struct display_timing giantplus_gpm940b0_timing = {
+ .pixelclock = { 13500000, 27000000, 27500000 },
+ .hactive = { 320, 320, 320 },
+ .hfront_porch = { 14, 686, 718 },
+ .hback_porch = { 50, 70, 255 },
+ .hsync_len = { 1, 1, 1 },
+ .vactive = { 240, 240, 240 },
+ .vfront_porch = { 1, 1, 179 },
+ .vback_porch = { 1, 21, 31 },
+ .vsync_len = { 1, 1, 6 },
+ .flags = DISPLAY_FLAGS_HSYNC_LOW | DISPLAY_FLAGS_VSYNC_LOW,
+};
+
+static const struct panel_desc giantplus_gpm940b0 = {
+ .timings = &giantplus_gpm940b0_timing,
+ .num_timings = 1,
+ .bpc = 8,
+ .size = {
+ .width = 60,
+ .height = 45,
+ },
+ .bus_format = MEDIA_BUS_FMT_RGB888_3X8,
+ .bus_flags = DRM_BUS_FLAG_DE_HIGH | DRM_BUS_FLAG_PIXDATA_NEGEDGE,
+};
+
static const struct display_timing hannstar_hsd070pww1_timing = {
.pixelclock = { 64300000, 71100000, 82000000 },
.hactive = { 1280, 1280, 1280 },
@@ -2882,6 +2907,9 @@ static const struct of_device_id platform_of_match[] = {
}, {
.compatible = "giantplus,gpg482739qs5",
.data = &giantplus_gpg482739qs5
+ }, {
+ .compatible = "giantplus,gpm940b0",
+ .data = &giantplus_gpm940b0,
}, {
.compatible = "hannstar,hsd070pww1",
.data = &hannstar_hsd070pww1,
--
2.21.0.593.g511ec345e18