Re: [PATCH v2 1/5] dt-bindings: display: sitronix,st7735r: Convert to DT schema
From: Sam Ravnborg
Date: Wed Jan 15 2020 - 16:01:16 EST
Hi Geert.
Thanks for doing the conversion to meta-schema.
On Wed, Jan 15, 2020 at 01:45:44PM +0100, Geert Uytterhoeven wrote:
> Convert the DT binding documentation for Sitronix ST7735R displays to DT
> schema.
>
> Add a reference to the Adafruit 1.8" LCD while at it.
>
> Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
> ---
> diff --git a/Documentation/devicetree/bindings/display/sitronix,st7735r.yaml b/Documentation/devicetree/bindings/display/sitronix,st7735r.yaml
> new file mode 100644
> index 0000000000000000..21bccc91f74255e1
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/display/sitronix,st7735r.yaml
> @@ -0,0 +1,65 @@
> +# SPDX-License-Identifier: GPL-2.0-only
Use (GPL-2.0-only OR BSD-2-Clause) for new binding files.
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/display/sitronix,st7735r.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Sitronix ST7735R Display Panels Device Tree Bindings
> +
> +maintainers:
> + - David Lechner <david@xxxxxxxxxxxxxx>
> +
> +description:
> + This binding is for display panels using a Sitronix ST7735R controller in
> + SPI mode.
> +
> +allOf:
> + - $ref: panel/panel-common.yaml#
I am no binding expert so I do not know how to add it.
But the old binding described that this MUST be a child of spi.
This is missing here.
Other panels using spi does not have it - so it is probarly OK.
So with the license fixed:
Reviewed-by: Sam Ravnborg <sam@xxxxxxxxxxxx>
> +
> +properties:
> + compatible:
> + oneOf:
> + - description:
> + Adafruit 1.8" 160x128 Color TFT LCD (Product ID 358 or 618)
> + items:
> + - enum:
> + - jianda,jd-t18003-t01
> + - const: sitronix,st7735r
> +
> + spi-max-frequency:
> + maximum: 32000000
> +
> + dc-gpios:
> + maxItems: 1
> + description: Display data/command selection (D/CX)
> +
> +required:
> + - compatible
> + - reg
> + - dc-gpios
> + - reset-gpios
> +
> +examples:
> + - |
> + #include <dt-bindings/gpio/gpio.h>
> +
> + backlight: backlight {
> + compatible = "gpio-backlight";
> + gpios = <&gpio 44 GPIO_ACTIVE_HIGH>;
> + };
> +
> + spi {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + display@0{
> + compatible = "jianda,jd-t18003-t01", "sitronix,st7735r";
> + reg = <0>;
> + spi-max-frequency = <32000000>;
> + dc-gpios = <&gpio 43 GPIO_ACTIVE_HIGH>;
> + reset-gpios = <&gpio 80 GPIO_ACTIVE_HIGH>;
> + rotation = <270>;
> + };
> + };
> +
> +...
> diff --git a/MAINTAINERS b/MAINTAINERS
> index ea8262509bdd21ac..3007f83bd504194a 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -5382,7 +5382,7 @@ M: David Lechner <david@xxxxxxxxxxxxxx>
> T: git git://anongit.freedesktop.org/drm/drm-misc
> S: Maintained
> F: drivers/gpu/drm/tiny/st7735r.c
> -F: Documentation/devicetree/bindings/display/sitronix,st7735r.txt
> +F: Documentation/devicetree/bindings/display/sitronix,st7735r.yaml
>
> DRM DRIVER FOR SONY ACX424AKP PANELS
> M: Linus Walleij <linus.walleij@xxxxxxxxxx>
> --
> 2.17.1