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drm/panel: Add support for E Ink VB3300-KCA

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Add support for the 10.3" E Ink panel described at:
https://www.eink.com/product.html?type=productdetail&id=7

Signed-off-by: Alistair Francis <alistair@alistair23.me>
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20210801004701.831-1-alistair@alistair23.me
This commit is contained in:
Alistair Francis 2021-08-01 10:47:00 +10:00 committed by Sam Ravnborg
parent 853bc39570
commit 9746f5fe70
3 changed files with 34 additions and 0 deletions
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2
Documentation/devicetree/bindings/display/panel/panel-simple.yaml
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@ -138,6 +138,8 @@ properties:
# Emerging Display Technology Corp. 5.7" VGA TFT LCD panel with
# capacitive touch
- edt,etmv570g2dhu
# E Ink VB3300-KCA
- eink,vb3300-kca
# Evervision Electronics Co. Ltd. VGG804821 5.0" WVGA TFT LCD Panel
- evervision,vgg804821
# Foxlink Group 5" WVGA TFT LCD panel

2
Documentation/devicetree/bindings/vendor-prefixes.yaml
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@ -339,6 +339,8 @@ patternProperties:
description: eGalax_eMPIA Technology Inc
"^einfochips,.*":
description: Einfochips
"^eink,.*":
description: E Ink Corporation
"^elan,.*":
description: Elan Microelectronic Corp.
"^element14,.*":

30
drivers/gpu/drm/panel/panel-simple.c
View File

@ -2178,6 +2178,33 @@ static const struct panel_desc edt_etmv570g2dhu = {
.connector_type = DRM_MODE_CONNECTOR_DPI,
};
static const struct display_timing eink_vb3300_kca_timing = {
.pixelclock = { 40000000, 40000000, 40000000 },
.hactive = { 334, 334, 334 },
.hfront_porch = { 1, 1, 1 },
.hback_porch = { 1, 1, 1 },
.hsync_len = { 1, 1, 1 },
.vactive = { 1405, 1405, 1405 },
.vfront_porch = { 1, 1, 1 },
.vback_porch = { 1, 1, 1 },
.vsync_len = { 1, 1, 1 },
.flags = DISPLAY_FLAGS_HSYNC_LOW | DISPLAY_FLAGS_VSYNC_LOW |
DISPLAY_FLAGS_DE_HIGH | DISPLAY_FLAGS_PIXDATA_POSEDGE,
};
static const struct panel_desc eink_vb3300_kca = {
.timings = &eink_vb3300_kca_timing,
.num_timings = 1,
.bpc = 6,
.size = {
.width = 157,
.height = 209,
},
.bus_format = MEDIA_BUS_FMT_RGB888_1X24,
.bus_flags = DRM_BUS_FLAG_DE_HIGH | DRM_BUS_FLAG_PIXDATA_DRIVE_POSEDGE,
.connector_type = DRM_MODE_CONNECTOR_DPI,
};
static const struct display_timing evervision_vgg804821_timing = {
.pixelclock = { 27600000, 33300000, 50000000 },
.hactive = { 800, 800, 800 },
@ -4494,6 +4521,9 @@ static const struct of_device_id platform_of_match[] = {
}, {
.compatible = "edt,etmv570g2dhu",
.data = &edt_etmv570g2dhu,
}, {
.compatible = "eink,vb3300-kca",
.data = &eink_vb3300_kca,
}, {
.compatible = "evervision,vgg804821",
.data = &evervision_vgg804821,