Re: [PATCH v2 03/13] dt-bindings: usb: Add binding for Cypress cypd4226 I2C driver

[Wayne Chang]

On 11/11/22 22:36, Jon Hunter wrote:
> 
> On 11/11/2022 10:14, Wayne Chang wrote:
>> add device-tree binding documentation for Cypress cypd4226 type-C
>> controller's I2C interface. It is a standard I2C slave with GPIO
>> input as IRQ interface.
>>
>> Signed-off-by: Wayne Chang <waynec@xxxxxxxxxx>
>> ---
>> V1 -> V2:Based on the review comments. Fix some addressed issues on
>> description, interrupts, cypress,firmware-build, connector, and
>> additionalProperties properties. And also remove the status in the 
>> example.
>>   .../bindings/usb/cypress,cypd4226.yaml        | 86 +++++++++++++++++++
>>   1 file changed, 86 insertions(+)
>>   create mode 100644 
>> Documentation/devicetree/bindings/usb/cypress,cypd4226.yaml
>>
>> diff --git 
>> a/Documentation/devicetree/bindings/usb/cypress,cypd4226.yaml 
>> b/Documentation/devicetree/bindings/usb/cypress,cypd4226.yaml
>> new file mode 100644
>> index 000000000000..70db97e0ad31
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/usb/cypress,cypd4226.yaml
>> @@ -0,0 +1,86 @@
>> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
>> +%YAML 1.2
>> +---
>> +$id: http://devicetree.org/schemas/usb/cypress,cypd4226.yaml#
>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
>> +
>> +title: Cypress cypd4226 UCSI I2C Type-C Controller
>> +
>> +maintainers:
>> +  - Wayne Chang <waynec@xxxxxxxxxx>
>> +
>> +description:
>> +  The Cypress cypd4226 UCSI I2C type-C controller is a I2C interface 
>> type-C
>> +  controller.
>> +
>> +properties:
>> +  compatible:
>> +    const: cypress,cypd4226
>> +
>> +  '#address-cells':
>> +    const: 1
>> +
>> +  '#size-cells':
>> +    const: 0
>> +
>> +  reg:
>> +    const: 0x08
>> +
>> +  interrupts:
>> +    items:
>> +      - description: cypd4226 I2C interrupt
>> +
>> +  cypress,firmware-build:
>> +    enum:
>> +      - nvidia,gpu
>> +      - nvidia,jetson-agx-xavier
>> +    description: |
>> +      the name of the CCGx firmware built for product series.
>> +      should be set one of following:
>> +      - "nvidia,gpu" for the NVIDIA RTX product series
>> +      - "nvidia,jetson-agx-xavier" for the NVIDIA Jetson product series
>> +
>> +patternProperties:
>> +  '^connector@[0-1]+$':
>> +    $ref: /schemas/connector/usb-connector.yaml#
>> +    properties:
>> +      reg:
>> +        maxItems: 1
>> +
>> +unevaluatedProperties: false
>> +
>> +required:
>> +  - compatible
>> +  - reg
>> +  - interrupts
>> +
>> +examples:
>> +  - |
>> +    #include <dt-bindings/gpio/tegra194-gpio.h>
>> +    #include <dt-bindings/interrupt-controller/arm-gic.h>
>> +    i2c {
>> +      #address-cells = <1>;
>> +      #size-cells = <0>;
>> +      #interrupt-cells = <2>;
>> +
>> +      ucsi-ccg@8 {
>> +        compatible = "cypress,cypd4226";
>> +        interrupt-parent = <&gpio_aon>;
>> +        interrupts = <TEGRA194_AON_GPIO(BB, 2) IRQ_TYPE_LEVEL_LOW>;
>> +        reg = <0x08>;
>> +        cypress,firmware-build = "nvidia,jetson-agx-xavier";
>> +        #address-cells = <1>;
>> +        #size-cells = <0>;
>> +        ccg_typec_con0: connector@0 {
>> +          compatible = "usb-c-connector";
>> +          reg = <0>;
>> +          label = "USB-C";
>> +          data-role = "dual";
>> +          port {
>> +            ucsi_ccg_p0: endpoint {
>> +              remote-endpoint = <&usb_role_switch0>;
>> +            };
>> +          };
>> +        };
>> +      };
>> +    };
> 
> 
> I see warnings with this change ...
> 
> Documentation/devicetree/bindings/usb/cypress,cypd4226.yaml: 
> 'additionalProperties' is a required property
>      hint: A schema without a "$ref" to another schema must define all 
> properties and use "additionalProperties"
>      from schema $id: http://devicetree.org/meta-schemas/base.yaml#
> 
> 
> Looking at Rob's comments I believe we need ...
> 
> diff --git a/Documentation/devicetree/bindings/usb/cypress,cypd4226.yaml 
> b/Documentation/devicetree/bindings/usb/cypress,cypd4226.yaml
> index 70db97e0ad31..8feafbaf9e20 100644
> --- a/Documentation/devicetree/bindings/usb/cypress,cypd4226.yaml
> +++ b/Documentation/devicetree/bindings/usb/cypress,cypd4226.yaml
> @@ -43,17 +43,19 @@ properties:
>   patternProperties:
>     '^connector@[0-1]+$':
>       $ref: /schemas/connector/usb-connector.yaml#
> +    unevaluatedProperties: false
>       properties:
>         reg:
>           maxItems: 1
> 
> -unevaluatedProperties: false
> 
>   required:
>     - compatible
>     - reg
>     - interrupts
> 
> +additionalProperties: false
> +
> 

Thanks for the review.
Somehow I do not get the warnings in local test.
I'll apply the change into the next patch series.

thanks,
Wayne.