linux-kernel - Re: [v2 05/10] dts-bindings: display: bridge: Add MHDP DP bindings for i.MX8MQ

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Message-ID: <6babddd0-13d8-0f55-1981-ac5cfed8e5ad@linaro.org>
Date:   Fri, 4 Nov 2022 09:43:08 -0400
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Sandor Yu <Sandor.yu@....com>, dri-devel@...ts.freedesktop.org,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, linux-phy@...ts.infradead.org,
        andrzej.hajda@...el.com, neil.armstrong@...aro.org,
        robert.foss@...aro.org, Laurent.pinchart@...asonboard.com,
        jonas@...boo.se, jernej.skrabec@...il.com, kishon@...com,
        vkoul@...nel.org
Cc:     robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
        shawnguo@...nel.org, s.hauer@...gutronix.de, kernel@...gutronix.de,
        linux-imx@....com, tzimmermann@...e.de, lyude@...hat.com,
        javierm@...hat.com, ville.syrjala@...ux.intel.com,
        sam@...nborg.org, jani.nikula@...el.com, maxime@...no.tech,
        penguin-kernel@...ove.SAKURA.ne.jp, p.yadav@...com,
        oliver.brown@....com
Subject: Re: [v2 05/10] dts-bindings: display: bridge: Add MHDP DP bindings
 for i.MX8MQ

On 04/11/2022 02:44, Sandor Yu wrote:
> Add bindings for i.MX8MQ MHDP DisplayPort.
> 
> Signed-off-by: Sandor Yu <Sandor.yu@....com>

Same comments as for HDMI bindings patch. Everywhere.

> ---
>  .../display/bridge/cdns,mhdp-imx8mq-dp.yaml   | 67 +++++++++++++++++++
>  1 file changed, 67 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/display/bridge/cdns,mhdp-imx8mq-dp.yaml
> 
> diff --git a/Documentation/devicetree/bindings/display/bridge/cdns,mhdp-imx8mq-dp.yaml b/Documentation/devicetree/bindings/display/bridge/cdns,mhdp-imx8mq-dp.yaml
> new file mode 100644
> index 000000000000..06ed881247ea
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/display/bridge/cdns,mhdp-imx8mq-dp.yaml
> @@ -0,0 +1,67 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: "http://devicetree.org/schemas/display/bridge/cdns,mhdp-imx8mq-dp.yaml#"
> +$schema: "http://devicetree.org/meta-schemas/core.yaml#"
> +
> +title: Cadence MHDP Displayport bridge
> +
> +maintainers:
> +  - Sandor Yu <Sandor.yu@....com>
> +
> +description:
> +  The Cadence MHDP Displayport TX interface.
> +
> +properties:
> +  compatible:
> +    enum:
> +      - cdns,mhdp-imx8mq-dp
> +
> +  reg:
> +    items:
> +      - description:
> +          Memory mapped base address and length of mhdptx apb registers.
> +
> +  phys:
> +    description:
> +      phandle to the Displayport PHY.
> +
> +  phy-names:
> +    items:
> +      - const: dpphy
> +
> +  interrupts:
> +    items:
> +      - description: Hotplug detect interrupter for cable plugin event.
> +      - description: Hotplug detect interrupter for cable plugout event.
> +
> +  interrupt-names:
> +    items:
> +      - const: plug_in
> +      - const: plug_out
> +
> +  port:
> +    $ref: /schemas/graph.yaml#/properties/port
> +    description:
> +      A port node pointing to the output port of a display controller..
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/interrupt-controller/arm-gic.h>
> +    mhdp: mhdp@...00000 {

dp@

> +        compatible = "cdns,mhdp-imx8mq-dp";
> +        reg = <0x32c00000 0x100000>;
> +        interrupts = <GIC_SPI 16 IRQ_TYPE_LEVEL_HIGH>,
> +                <GIC_SPI 25 IRQ_TYPE_LEVEL_HIGH>;
> +        interrupt-names = "plug_in", "plug_out";
> +        phys = <&dp_phy>;
> +        phy-names = "dpphy";
> +
> +        port {
> +            hdmi_in: endpoint {
> +                remote-endpoint = <&dcss_out>;
> +            };
> +        };
> +    };

Best regards,
Krzysztof