Re: [PATCH v2 2/5] dt-bindings: display: sitronix,st7735r: Add Okaya RH128128T

From: Sam Ravnborg
Date: Wed Jan 15 2020 - 16:02:05 EST


On Wed, Jan 15, 2020 at 01:45:45PM +0100, Geert Uytterhoeven wrote:
> Document support for the Okaya RH128128T display, which is a 128x128
> 1.44" TFT display driven by a Sitronix ST7715R TFT Controller/Driver.
> It can be found on e.g. the Renesas YRSK-LCD-PMOD extension board, which
> comes with various Renesas development kits (e.g. Renesas Starter Kit+
> for RZ/A1H[1]).
>
> ST7715R and ST7735R are very similar. Their major difference is that
> the former is restricted to displays of up to 132x132 pixels, while the
> latter supports displays up to 132x162 pixels.
>
> [1] https://renesasrulz.com/the_vault/f/archive-forum/4981/upgrading-to-the-renesas-rz-a1h
>
> Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
Reviewed-by: Sam Ravnborg <sam@xxxxxxxxxxxx>

> ---
> v2:
> - Rebase on top of DT schema conversion,
> - Add YRSK-LCD-PMOD reference and links.
> ---
> .../devicetree/bindings/display/sitronix,st7735r.yaml | 10 ++++++++--
> 1 file changed, 8 insertions(+), 2 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/display/sitronix,st7735r.yaml b/Documentation/devicetree/bindings/display/sitronix,st7735r.yaml
> index 21bccc91f74255e1..8892d79e6e100b79 100644
> --- a/Documentation/devicetree/bindings/display/sitronix,st7735r.yaml
> +++ b/Documentation/devicetree/bindings/display/sitronix,st7735r.yaml
> @@ -10,8 +10,8 @@ maintainers:
> - David Lechner <david@xxxxxxxxxxxxxx>
>
> description:
> - This binding is for display panels using a Sitronix ST7735R controller in
> - SPI mode.
> + This binding is for display panels using a Sitronix ST7715R or ST7735R
> + controller in SPI mode.
>
> allOf:
> - $ref: panel/panel-common.yaml#
> @@ -25,6 +25,12 @@ properties:
> - enum:
> - jianda,jd-t18003-t01
> - const: sitronix,st7735r
> + - description:
> + Okaya 1.44" 128x128 Color TFT LCD (E.g. Renesas YRSK-LCD-PMOD)
> + items:
> + - enum:
> + - okaya,rh128128t
> + - const: sitronix,st7715r
>
> spi-max-frequency:
> maximum: 32000000
> --
> 2.17.1