The GPM940B0 is a 3.0" 320x240 24-bit TFT LCD panel.
Signed-off-by: Paul Cercueil <[email protected]>
Reviewed-by: Rob Herring <[email protected]>
---
Notes:
v2: New patch
v3: Add Rob's ack
.../bindings/display/panel/giantplus,gpm940b0.txt | 12 ++++++++++++
1 file changed, 12 insertions(+)
create mode 100644 Documentation/devicetree/bindings/display/panel/giantplus,gpm940b0.txt
diff --git a/Documentation/devicetree/bindings/display/panel/giantplus,gpm940b0.txt b/Documentation/devicetree/bindings/display/panel/giantplus,gpm940b0.txt
new file mode 100644
index 000000000000..3dab52f92c26
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/panel/giantplus,gpm940b0.txt
@@ -0,0 +1,12 @@
+GiantPlus 3.0" (320x240 pixels) 24-bit TFT LCD panel
+
+Required properties:
+- compatible: should be "giantplus,gpm940b0"
+- power-supply: as specified in the base binding
+
+Optional properties:
+- backlight: as specified in the base binding
+- enable-gpios: as specified in the base binding
+
+This binding is compatible with the simple-panel binding, which is specified
+in simple-panel.txt in this directory.
--
2.21.0.593.g511ec345e18
The GiantPlus GPM940B0 is a 24-bit TFT panel where the RGB components
are transferred sequentially on a 8-bit bus.
Signed-off-by: Paul Cercueil <[email protected]>
---
Notes:
v2: New patch
v3: No change
include/uapi/linux/media-bus-format.h | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/include/uapi/linux/media-bus-format.h b/include/uapi/linux/media-bus-format.h
index d6a5a3bfe6c4..f31724d6cd40 100644
--- a/include/uapi/linux/media-bus-format.h
+++ b/include/uapi/linux/media-bus-format.h
@@ -34,7 +34,7 @@
#define MEDIA_BUS_FMT_FIXED 0x0001
-/* RGB - next is 0x101b */
+/* RGB - next is 0x101d */
#define MEDIA_BUS_FMT_RGB444_1X12 0x1016
#define MEDIA_BUS_FMT_RGB444_2X8_PADHI_BE 0x1001
#define MEDIA_BUS_FMT_RGB444_2X8_PADHI_LE 0x1002
@@ -54,6 +54,8 @@
#define MEDIA_BUS_FMT_RGB888_1X24 0x100a
#define MEDIA_BUS_FMT_RGB888_2X12_BE 0x100b
#define MEDIA_BUS_FMT_RGB888_2X12_LE 0x100c
+#define MEDIA_BUS_FMT_RGB888_3X8_BE 0x101b
+#define MEDIA_BUS_FMT_RGB888_3X8_LE 0x101c
#define MEDIA_BUS_FMT_RGB888_1X7X4_SPWG 0x1011
#define MEDIA_BUS_FMT_RGB888_1X7X4_JEIDA 0x1012
#define MEDIA_BUS_FMT_ARGB8888_1X32 0x100d
--
2.21.0.593.g511ec345e18
The GiantPlus GPM940B0 is a simple 3.0" 320x240 24-bit TFT panel.
Signed-off-by: Paul Cercueil <[email protected]>
Tested-by: Artur Rojek <[email protected]>
---
Notes:
v2: Change bus format to MEDIA_BUS_FMT_RGB888_3X8_BE
v3: 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 569be4efd8d1..a81b35269a78 100644
--- a/drivers/gpu/drm/panel/panel-simple.c
+++ b/drivers/gpu/drm/panel/panel-simple.c
@@ -1208,6 +1208,31 @@ 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_BE,
+ .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 },
@@ -2666,6 +2691,9 @@ 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
Em Mon, 22 Apr 2019 11:37:21 +0200
Paul Cercueil <[email protected]> escreveu:
> The GiantPlus GPM940B0 is a 24-bit TFT panel where the RGB components
> are transferred sequentially on a 8-bit bus.
>
> Signed-off-by: Paul Cercueil <[email protected]>
> ---
>
> Notes:
> v2: New patch
>
> v3: No change
>
> include/uapi/linux/media-bus-format.h | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/include/uapi/linux/media-bus-format.h b/include/uapi/linux/media-bus-format.h
> index d6a5a3bfe6c4..f31724d6cd40 100644
> --- a/include/uapi/linux/media-bus-format.h
> +++ b/include/uapi/linux/media-bus-format.h
> @@ -34,7 +34,7 @@
>
> #define MEDIA_BUS_FMT_FIXED 0x0001
>
> -/* RGB - next is 0x101b */
> +/* RGB - next is 0x101d */
> #define MEDIA_BUS_FMT_RGB444_1X12 0x1016
> #define MEDIA_BUS_FMT_RGB444_2X8_PADHI_BE 0x1001
> #define MEDIA_BUS_FMT_RGB444_2X8_PADHI_LE 0x1002
> @@ -54,6 +54,8 @@
> #define MEDIA_BUS_FMT_RGB888_1X24 0x100a
> #define MEDIA_BUS_FMT_RGB888_2X12_BE 0x100b
> #define MEDIA_BUS_FMT_RGB888_2X12_LE 0x100c
> +#define MEDIA_BUS_FMT_RGB888_3X8_BE 0x101b
> +#define MEDIA_BUS_FMT_RGB888_3X8_LE 0x101c
> #define MEDIA_BUS_FMT_RGB888_1X7X4_SPWG 0x1011
> #define MEDIA_BUS_FMT_RGB888_1X7X4_JEIDA 0x1012
> #define MEDIA_BUS_FMT_ARGB8888_1X32 0x100d
You should also patch the documentation text at:
Documentation/media/uapi/v4l/subdev-formats.rst
In order to describe the new formats that will be included.
(also patch needs to be rebased, as it conflicts to some other
new formats added there)
Thanks,
Mauro