The Jasonic JT240MHQS-HWT-EK-E3 is a custom panel using the Sitronix
ST7789V controller. While the controller features a resolution of
320x240, only an area of 280x240 is visible by design.
Signed-off-by: Michael Riesch <michael.rie...@wolfvision.net>
---
drivers/gpu/drm/panel/panel-sitronix-st7789v.c | 29 ++++++++++++++++++++++++++
1 file changed, 29 insertions(+)
diff --git a/drivers/gpu/drm/panel/panel-sitronix-st7789v.c
b/drivers/gpu/drm/panel/panel-sitronix-st7789v.c
index ebc9a3bd6db3..88e80fe98112 100644
--- a/drivers/gpu/drm/panel/panel-sitronix-st7789v.c
+++ b/drivers/gpu/drm/panel/panel-sitronix-st7789v.c
@@ -279,6 +279,21 @@ static const struct drm_display_mode et028013dma_mode = {
.flags = DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC,
};
+static const struct drm_display_mode jt240mhqs_hwt_ek_e3_mode = {
+ .clock = 6000,
+ .hdisplay = 240,
+ .hsync_start = 240 + 28,
+ .hsync_end = 240 + 28 + 10,
+ .htotal = 240 + 28 + 10 + 10,
+ .vdisplay = 280,
+ .vsync_start = 280 + 8,
+ .vsync_end = 280 + 8 + 4,
+ .vtotal = 280 + 8 + 4 + 4,
+ .width_mm = 43,
+ .height_mm = 37,
+ .flags = DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC,
+};
+
static const struct st7789_panel_info default_panel = {
.mode = &default_mode,
.invert_mode = true,
@@ -303,6 +318,17 @@ static const struct st7789_panel_info et028013dma_panel = {
DRM_BUS_FLAG_PIXDATA_SAMPLE_POSEDGE,
};
+static const struct st7789_panel_info jt240mhqs_hwt_ek_e3_panel = {
+ .mode = &jt240mhqs_hwt_ek_e3_mode,
+ .invert_mode = true,
+ .bus_format = MEDIA_BUS_FMT_RGB666_1X18,
+ .bus_flags = DRM_BUS_FLAG_DE_HIGH |
+ DRM_BUS_FLAG_PIXDATA_SAMPLE_NEGEDGE,
+ .partial_mode = true,
+ .partial_start = 38,
+ .partial_end = 318,
+};
+
static int st7789v_get_modes(struct drm_panel *panel,
struct drm_connector *connector)
{
@@ -635,6 +661,7 @@ static const struct spi_device_id st7789v_spi_id[] = {
{ "st7789v", (unsigned long) &default_panel },
{ "t28cp45tn89-v17", (unsigned long) &t28cp45tn89_panel },
{ "et028013dma", (unsigned long) &et028013dma_panel },
+ { "jt240mhqs-hwt-ek-e3", (unsigned long) &jt240mhqs_hwt_ek_e3_panel },
{ }
};
MODULE_DEVICE_TABLE(spi, st7789v_spi_id);
@@ -643,6 +670,8 @@ static const struct of_device_id st7789v_of_match[] = {
{ .compatible = "sitronix,st7789v", .data = &default_panel },
{ .compatible = "inanbo,t28cp45tn89-v17", .data = &t28cp45tn89_panel },
{ .compatible = "edt,et028013dma", .data = &et028013dma_panel },
+ { .compatible = "jasonic,jt240mhqs-hwt-ek-e3",
+ .data = &jt240mhqs_hwt_ek_e3_panel },
{ }
};
MODULE_DEVICE_TABLE(of, st7789v_of_match);
