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Date:   Fri, 4 Nov 2022 09:42:03 -0400
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Subject: Re: [v2 02/10] dts-bingings: display: bridge: Add MHDP HDMI bindings
 for i.MX8MQ
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To:     Sandor Yu <Sandor.yu@nxp.com>, dri-devel@lists.freedesktop.org,
        devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        linux-kernel@vger.kernel.org, linux-phy@lists.infradead.org,
        andrzej.hajda@intel.com, neil.armstrong@linaro.org,
        robert.foss@linaro.org, Laurent.pinchart@ideasonboard.com,
        jonas@kwiboo.se, jernej.skrabec@gmail.com, kishon@ti.com,
        vkoul@kernel.org
Cc:     robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org,
        shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de,
        linux-imx@nxp.com, tzimmermann@suse.de, lyude@redhat.com,
        javierm@redhat.com, ville.syrjala@linux.intel.com,
        sam@ravnborg.org, jani.nikula@intel.com, maxime@cerno.tech,
        penguin-kernel@I-love.SAKURA.ne.jp, p.yadav@ti.com,
        oliver.brown@nxp.com
References: <cover.1667463263.git.Sandor.yu@nxp.com>
 <0e1f631c22207c6af41ea512be85213b3953b44f.1667463263.git.Sandor.yu@nxp.com>
From:   Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
In-Reply-To: <0e1f631c22207c6af41ea512be85213b3953b44f.1667463263.git.Sandor.yu@nxp.com>
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On 04/11/2022 02:44, Sandor Yu wrote:
> Add bindings for i.MX8MQ MHDP HDMI.

Typo in subject - bindings.

Also in the subject - drop redundant second word "bindings".

> 
> Signed-off-by: Sandor Yu <Sandor.yu@nxp.com>
> ---
>  .../display/bridge/cdns,mhdp-imx8mq-hdmi.yaml | 67 +++++++++++++++++++
>  1 file changed, 67 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/display/bridge/cdns,mhdp-imx8mq-hdmi.yaml
> 
> diff --git a/Documentation/devicetree/bindings/display/bridge/cdns,mhdp-imx8mq-hdmi.yaml b/Documentation/devicetree/bindings/display/bridge/cdns,mhdp-imx8mq-hdmi.yaml
> new file mode 100644
> index 000000000000..b2a769d4cb82
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/display/bridge/cdns,mhdp-imx8mq-hdmi.yaml
> @@ -0,0 +1,67 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: "http://devicetree.org/schemas/display/bridge/cdns,mhdp-imx8mq-hdmi.yaml#"
> +$schema: "http://devicetree.org/meta-schemas/core.yaml#"
> +
> +title: Cadence MHDP HDMI bridge
> +
> +maintainers:
> +  - Sandor Yu <Sandor.yu@nxp.com>
> +
> +description:
> +  The Cadence MHDP TX HDMI interface.
> +
> +properties:
> +  compatible:
> +    enum:
> +      - cdns,mhdp-imx8mq-hdmi
> +
> +  reg:
> +    items:
> +      - description:
> +          Memory mapped base address and length of mhdptx apb registers.

Drop items and descripion and just "maxItems: 1"

> +
> +  phys:
> +    description:
> +      phandle to the HDMI PHY.

Drop description, but instead "maxItems: 1"

> +
> +  phy-names:
> +    items:
> +      - const: hdmiphy

Drop entire phy-names, not useful with one entry matching the name of
theh block.

> +
> +  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..

Just one '.' at the end.

> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/interrupt-controller/arm-gic.h>
> +    mhdp: mhdp@32c00000 {

Node names should be generic, so hdmi-bridge, display-controller or just
"hdmi"
https://devicetree-specification.readthedocs.io/en/latest/chapter2-devicetree-basics.html#generic-names-recommendation


> +        compatible = "cdns,mhdp-imx8mq-hdmi";
> +        reg = <0x32c00000 0x100000>;


Best regards,
Krzysztof