Commit 9746f5fe authored by Alistair Francis's avatar Alistair Francis Committed by Sam Ravnborg
Browse files

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

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



Signed-off-by: default avatarAlistair Francis <alistair@alistair23.me>
Acked-by: default avatarRob Herring <robh@kernel.org>
Reviewed-by: default avatarSam Ravnborg <sam@ravnborg.org>
Signed-off-by: default avatarSam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20210801004701.831-1-alistair@alistair23.me
parent 853bc395

Documentation/devicetree/bindings/display/panel/panel-simple.yaml

+2 −0
Original line number Diff line number Diff line
@@ -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

Documentation/devicetree/bindings/vendor-prefixes.yaml

+2 −0
Original line number Diff line number Diff line
@@ -339,6 +339,8 @@ patternProperties: 
    description: eGalax_eMPIA Technology Inc

  "^einfochips,.*":

    description: Einfochips

  "^eink,.*":

    description: E Ink Corporation

  "^elan,.*":

    description: Elan Microelectronic Corp.

  "^element14,.*":

drivers/gpu/drm/panel/panel-simple.c

+30 −0
Original line number Diff line number Diff line
@@ -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,