linux-kernel - RE: [PATCH] dt-bindings: display: bridge: renesas,dsi: allow properties from dsi-controller

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Message-ID:
 <TY3PR01MB11346612A2A298818D0787B028691A@TY3PR01MB11346.jpnprd01.prod.outlook.com>
Date: Wed, 14 May 2025 06:00:28 +0000
From: Biju Das <biju.das.jz@...renesas.com>
To: Hugo Villeneuve <hugo@...ovil.com>, Andrzej Hajda
	<andrzej.hajda@...el.com>, Neil Armstrong <neil.armstrong@...aro.org>, Robert
 Foss <rfoss@...nel.org>, laurent.pinchart
	<laurent.pinchart@...asonboard.com>, Jonas Karlman <jonas@...boo.se>, Jernej
 Skrabec <jernej.skrabec@...il.com>, David Airlie <airlied@...il.com>, Simona
 Vetter <simona@...ll.ch>, Maarten Lankhorst
	<maarten.lankhorst@...ux.intel.com>, Maxime Ripard <mripard@...nel.org>,
	Thomas Zimmermann <tzimmermann@...e.de>, Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>,
	Geert Uytterhoeven <geert+renesas@...der.be>, Magnus Damm
	<magnus.damm@...il.com>
CC: Hugo Villeneuve <hvilleneuve@...onoff.com>,
	"dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-renesas-soc@...r.kernel.org" <linux-renesas-soc@...r.kernel.org>
Subject: RE: [PATCH] dt-bindings: display: bridge: renesas,dsi: allow
 properties from dsi-controller

Hi Hugo Villeneuve,

Thanks for your patch.

> -----Original Message-----
> From: Hugo Villeneuve <hugo@...ovil.com>
> Sent: 13 May 2025 17:23
> Subject: [PATCH] dt-bindings: display: bridge: renesas,dsi: allow properties from dsi-controller
> 
> From: Hugo Villeneuve <hvilleneuve@...onoff.com>
> 
> Allow to inherit valid properties from the dsi-controller. This fixes the following warning when
> adding a panel property:
> 
> rzg2lc.dtb: dsi@...50000: '#address-cells', '#size-cells', 'panel@0' do not
>     match any of the regexes: 'pinctrl-[0-9]+'
>     from schema $id:
>         http://devicetree.org/schemas/display/bridge/renesas,dsi.yaml#
> 
> Also add a panel property to the example.
> 
> Signed-off-by: Hugo Villeneuve <hvilleneuve@...onoff.com>
> ---
>  .../bindings/display/bridge/renesas,dsi.yaml  | 21 +++++++++++++++++--
>  1 file changed, 19 insertions(+), 2 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/display/bridge/renesas,dsi.yaml
> b/Documentation/devicetree/bindings/display/bridge/renesas,dsi.yaml
> index e08c24633926b..e0906a46fb118 100644
> --- a/Documentation/devicetree/bindings/display/bridge/renesas,dsi.yaml
> +++ b/Documentation/devicetree/bindings/display/bridge/renesas,dsi.yaml
> @@ -128,14 +128,17 @@ required:
>    - power-domains
>    - ports
> 
> -additionalProperties: false
> +unevaluatedProperties: false
> 
>  examples:
>    - |
> +    #include <dt-bindings/gpio/gpio.h>
>      #include <dt-bindings/clock/r9a07g044-cpg.h>
>      #include <dt-bindings/interrupt-controller/arm-gic.h>
> 
>      dsi0: dsi@...50000 {
> +        #address-cells = <1>;
> +        #size-cells = <0>;
>          compatible = "renesas,r9a07g044-mipi-dsi", "renesas,rzg2l-mipi-dsi";
>          reg = <0x10850000 0x20000>;
>          interrupts = <GIC_SPI 142 IRQ_TYPE_LEVEL_HIGH>, @@ -160,6 +163,20 @@ examples:
>          reset-names = "rst", "arst", "prst";
>          power-domains = <&cpg>;
> 
> +        panel@0 {
> +            compatible = "rocktech,jh057n00900";
> +            reg = <0>;
> +            vcc-supply = <&reg_2v8_p>;
> +            iovcc-supply = <&reg_1v8_p>;
> +            reset-gpios = <&gpio3 13 GPIO_ACTIVE_LOW>;
> +
> +            port {
> +                panel_in: endpoint {
> +                    remote-endpoint = <&dsi0_out>;
> +                };
> +            };
> +        };
> +
>          ports {
>              #address-cells = <1>;
>              #size-cells = <0>;
> @@ -175,7 +192,7 @@ examples:
>                  reg = <1>;
>                  dsi0_out: endpoint {
>                      data-lanes = <1 2 3 4>;
> -                    remote-endpoint = <&adv7535_in>;
> +                    remote-endpoint = <&panel_in>;

Can we make panel example as separate one?

1) One example for using bridge device
2) One example for using direct panel.

Cheers,
Biju

>                  };
>              };
>          };
> 
> base-commit: e9565e23cd89d4d5cd4388f8742130be1d6f182d
> --
> 2.39.5