diff mbox series

[v4] drm/panel: Add support for E Ink VB3300-KCA

Message ID 20210729103358.209-1-alistair@alistair23.me (mailing list archive)
State New, archived
Headers show
Series [v4] drm/panel: Add support for E Ink VB3300-KCA | expand

Commit Message

Alistair Francis July 29, 2021, 10:33 a.m. UTC 
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>
---
v4:
 - Fixup alphebetical sorting

 .../bindings/display/panel/panel-simple.yaml  |  2 ++
 .../devicetree/bindings/vendor-prefixes.yaml  |  2 ++
 drivers/gpu/drm/panel/panel-simple.c          | 29 +++++++++++++++++++
 3 files changed, 33 insertions(+)

Comments

Sam Ravnborg July 29, 2021, 3:23 p.m. UTC | #1 
Hi Alistair,

On Thu, Jul 29, 2021 at 08:33:58PM +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@alistair23.me>
> Acked-by: Rob Herring <robh@kernel.org>
> ---
> v4:
>  - Fixup alphebetical sorting
> 
>  .../bindings/display/panel/panel-simple.yaml  |  2 ++
>  .../devicetree/bindings/vendor-prefixes.yaml  |  2 ++
>  drivers/gpu/drm/panel/panel-simple.c          | 29 +++++++++++++++++++
>  3 files changed, 33 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..8d6317b85465 100644
> --- a/drivers/gpu/drm/panel/panel-simple.c
> +++ b/drivers/gpu/drm/panel/panel-simple.c
> @@ -2046,6 +2046,32 @@ 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,
> +};
We need the connector_type here.

With this added:
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>

I will apply if you update the patch with this.
I cannot do it as I do not know what connector_type to use.

	Sam
> +
>  static const struct display_timing evervision_vgg804821_timing = {
>  	.pixelclock = { 27600000, 33300000, 50000000 },
>  	.hactive = { 800, 800, 800 },
> @@ -4350,6 +4376,9 @@ 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
Sam Ravnborg July 31, 2021, 6:19 p.m. UTC | #2 
Hi Alistair,

On Thu, Jul 29, 2021 at 08:33:58PM +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@alistair23.me>
> Acked-by: Rob Herring <robh@kernel.org>
> ---
> v4:
>  - Fixup alphebetical sorting

Thanks for doing this so prompt.
Before we can apply the patch you also need to supply the
connector_type.
Please add, and send an updated version.

	Sam
diff mbox series

Patch

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..8d6317b85465 100644
--- a/drivers/gpu/drm/panel/panel-simple.c
+++ b/drivers/gpu/drm/panel/panel-simple.c
@@ -2046,6 +2046,32 @@  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,
+};
+
 static const struct display_timing evervision_vgg804821_timing = {
 	.pixelclock = { 27600000, 33300000, 50000000 },
 	.hactive = { 800, 800, 800 },
@@ -4350,6 +4376,9 @@  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,