Hi Alistair, On Fri, Jul 30, 2021 at 10:13:10PM +1000, Alistair Francis wrote: > 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@xxxxxxxxxxxxx> > Acked-by: Rob Herring <robh@xxxxxxxxxx> > Reviewed-by: Sam Ravnborg <sam@xxxxxxxxxxxx> > --- > v5: > - Add .connector_type I missed this revision before sending my last mail. I tried to apply this patch but every patch confliced due to other changes since the kernel this is based on. I need you to generate a new patch on top of drm-misc-next, or as an alternative on top of linux-next. You are in a much better position to do this right than I am. Sorry for the troubles! Sam > > .../bindings/display/panel/panel-simple.yaml | 2 ++ > .../devicetree/bindings/vendor-prefixes.yaml | 2 ++ > drivers/gpu/drm/panel/panel-simple.c | 30 +++++++++++++++++++ > 3 files changed, 34 insertions(+) > > diff --git a/Documentation/devicetree/bindings/display/panel/panel-simple.yaml b/Documentation/devicetree/bindings/display/panel/panel-simple.yaml > index b3797ba2698b..799e20222551 100644 > --- a/Documentation/devicetree/bindings/display/panel/panel-simple.yaml > +++ b/Documentation/devicetree/bindings/display/panel/panel-simple.yaml > @@ -128,6 +128,8 @@ properties: > # Emerging Display Technology Corp. WVGA TFT Display with capacitive touch > - edt,etm0700g0dh6 > - edt,etm0700g0edh6 > + # 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 > diff --git a/Documentation/devicetree/bindings/vendor-prefixes.yaml b/Documentation/devicetree/bindings/vendor-prefixes.yaml > index 71da86e7b3a2..31745c45dd92 100644 > --- a/Documentation/devicetree/bindings/vendor-prefixes.yaml > +++ b/Documentation/devicetree/bindings/vendor-prefixes.yaml > @@ -339,6 +339,8 @@ patternProperties: > description: eGalax_eMPIA Technology Inc > "^einfochips,.*": > description: Einfochips > + "^eink,.*": > + description: E Ink Corporation > "^elan,.*": > description: Elan Microelectronic Corp. > "^element14,.*": > diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c > index 21939d4352cf..90d96091f09f 100644 > --- a/drivers/gpu/drm/panel/panel-simple.c > +++ b/drivers/gpu/drm/panel/panel-simple.c > @@ -2046,6 +2046,33 @@ static const struct panel_desc edt_etm0700g0bdh6 = { > .bus_flags = DRM_BUS_FLAG_DE_HIGH | DRM_BUS_FLAG_PIXDATA_DRIVE_POSEDGE, > }; > > +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 }, > @@ -4350,6 +4377,9 @@ static const struct of_device_id platform_of_match[] = { > }, { > .compatible = "edt,etm0700g0edh6", > .data = &edt_etm0700g0bdh6, > + }, { > + .compatible = "eink,vb3300-kca", > + .data = &eink_vb3300_kca, > }, { > .compatible = "evervision,vgg804821", > .data = &evervision_vgg804821, > -- > 2.31.1