Re: [PATCH v3 5/7] dt-bindings: usb: Add Qualcomm PMIC TCPM YAML schema

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On Fri, Nov 05, 2021 at 03:35:56AM +0000, Bryan O'Donoghue wrote:
> Add a YAML description for the pm8150b-tcpm driver. The pm8150b-tcpm
> encapsulates a type-c block and a pdphy block into one block presented to
> the tcpm Linux API.

All Linux details that don't belong in binding description and design.

> 
> Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@xxxxxxxxxx>
> ---
>  .../bindings/usb/qcom,pmic-tcpm.yaml          | 68 +++++++++++++++++++
>  1 file changed, 68 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/usb/qcom,pmic-tcpm.yaml
> 
> diff --git a/Documentation/devicetree/bindings/usb/qcom,pmic-tcpm.yaml b/Documentation/devicetree/bindings/usb/qcom,pmic-tcpm.yaml
> new file mode 100644
> index 0000000000000..29ab7e2d678e1
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/usb/qcom,pmic-tcpm.yaml
> @@ -0,0 +1,68 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: "http://devicetree.org/schemas/usb/qcom,pmic-tcpm.yaml#";
> +$schema: "http://devicetree.org/meta-schemas/core.yaml#";
> +
> +title: Qualcomm PMIC TCPM Driver
> +
> +maintainers:
> +  - Bryan O'Donoghue <bryan.odonoghue@xxxxxxxxxx>
> +
> +description: |
> +  Qualcomm PMIC Type-C Port Manager Driver
> +
> +properties:
> +  compatible:
> +    enum:
> +      - qcom,pm8150b-tcpm
> +
> +  pmic_tcpm_typec:

Don't use '_' in property names and custom properties need a vendor 
prefix.

> +    $ref: /schemas/types.yaml#/definitions/phandle
> +    description:
> +      A phandle to the typec port hardware driver.
> +
> +  pmic_tcpm_pdphy:
> +    $ref: /schemas/types.yaml#/definitions/phandle
> +    description:
> +      A phandle to the type-c pdphy hardware driver.

What is this binding a child of? Looks like the h/w is all part of a 
PMIC, so it should be part of the PMIC binding and probably merged with 
one of the nodes these phandles point to.

> +
> +required:
> +  - compatible
> +  - pmic_tcpm_typec
> +  - pmic_tcpm_pdphy
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/interrupt-controller/irq.h>
> +    #include <dt-bindings/usb/pd.h>
> +    #include <dt-bindings/usb/typec/tcpm/qcom,pmic-usb-typec.h>
> +    #include <dt-bindings/usb/typec/tcpm/qcom,pmic-usb-pdphy.h>
> +
> +    pm8150b_tcpm: pmic-tcpm {
> +        compatible = "qcom,pm8150b-tcpm";
> +
> +        #address-cells = <1>;
> +        #size-cells = <0>;
> +
> +        pmic_tcpm_typec = <&pm8150b_typec>;
> +        pmic_tcpm_pdphy = <&pm8150b_pdphy>;
> +
> +        connector {
> +            compatible = "usb-c-connector";
> +
> +            power-role = "source";
> +            data-role = "dual";
> +            self-powered;
> +
> +            source-pdos = <PDO_FIXED(5000, 3000,
> +                           PDO_FIXED_DUAL_ROLE |
> +                           PDO_FIXED_USB_COMM |
> +                           PDO_FIXED_DATA_SWAP)>;
> +
> +        };
> +    };
> +
> +...
> -- 
> 2.33.0
> 
> 



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