Re: [PATCH 2/3] dt-bindings: display: bridge: add it66121 bindings

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Hi Phong.

On Mon, Mar 09, 2020 at 04:36:53PM +0100, Phong LE wrote:
> Add the ITE bridge HDMI it66121 bindings.

Good to see that you used DT Schema.

> 
> Signed-off-by: Phong LE <ple@xxxxxxxxxxxx>
> ---
>  .../bindings/display/bridge/ite,it66121.yaml  | 95 +++++++++++++++++++
>  1 file changed, 95 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/display/bridge/ite,it66121.yaml
> 
> diff --git a/Documentation/devicetree/bindings/display/bridge/ite,it66121.yaml b/Documentation/devicetree/bindings/display/bridge/ite,it66121.yaml
> new file mode 100644
> index 000000000000..f546c0b5a465
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/display/bridge/ite,it66121.yaml
> @@ -0,0 +1,95 @@
> +# SPDX-License-Identifier: GPL-2.0
For new schemas please use: (GPL-2.0 OR BSD-2-Clause)

> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/display/bridge/ite,it66121.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: ITE it66121 HDMI bridge Device Tree Bindings
> +
> +maintainers:
> +  - Phong LE <ple@xxxxxxxxxxxx>
> +
> +description: |
> +  The IT66121 is a high-performance and low-power single channel HDMI
> +  transmitter, fully compliant with HDMI 1.3a, HDCP 1.2 and backward compatible
> +  to DVI 1.0 specifications.
> +
> +properties:
> +  compatible:
> +    const: ite,it66121
> +
> +  reg:
> +    maxItems: 1
> +    description: base I2C address of the device
> +
> +  reset-gpios:
> +    maxItems: 1
> +    description: GPIO connected to active low reset
> +
> +  vrf12-supply:
> +    maxItems: 1
> +    description: Regulator for 1.2V analog core power.
> +
> +  vcn33-supply:
> +    maxItems: 1
> +    description: Regulator for 3.3V digital core power.
> +
> +  vcn18-supply:
> +    maxItems: 1
> +    description: Regulator for 1.8V IO core power.
> +
> +  interrupts:
> +    maxItems: 1
> +
> +  pclk-dual-edge:
> +    maxItems: 1
> +    description: enable pclk dual edge mode.
> +
> +  port:
> +    type: object
> +
> +    properties:
> +      endpoint:
> +        type: object
> +        description: |
> +          Input endpoints of the bridge.
> +
> +    required:
> +      - endpoint
> +

Are we missing an additionalProperties: false?
So we do not have other properties than the ones listed here.

	Sam

> +required:
> +  - compatible
> +  - reg
> +  - reset-gpios
> +  - vrf12-supply
> +  - vcn33-supply
> +  - vcn18-supply
> +  - interrupts
> +  - port
> +
> +examples:
> +  - |
> +    i2c6 {
> +      #address-cells = <1>;
> +      #size-cells = <0>;
> +
> +      it66121hdmitx: it66121hdmitx@4c {
> +        compatible = "ite,it66121";
> +        pinctrl-names = "default";
> +        pinctrl-0 = <&ite_pins_default>;
> +        vcn33-supply = <&mt6358_vcn33_wifi_reg>;
> +        vcn18-supply = <&mt6358_vcn18_reg>;
> +        vrf12-supply = <&mt6358_vrf12_reg>;
> +        reset-gpios = <&pio 160 1 /* GPIO_ACTIVE_LOW */>;
> +        interrupt-parent = <&pio>;
> +        interrupts = <4 8 /* IRQ_TYPE_LEVEL_LOW */>;
> +        reg = <0x4c>;
> +        pclk-dual-edge;
> +
> +        port {
> +          it66121_in: endpoint {
> +            remote-endpoint = <&display_out>;
> +          };
> +        };
> +      };
> +    };
> -- 
> 2.17.1
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