linux-kernel - Re: [PATCH v4 3/3] dt-bindings: firmware: convert Qualcomm SCM binding to the yaml

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Message-ID: <9dd87d64-5124-a75b-be8a-1b056da645ce@linaro.org>
Date:   Sun, 26 Jun 2022 22:00:20 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     David Heidelberg <david@...t.cz>, Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Robert Marko <robimarko@...il.com>,
        Das Srinagesh <quic_gurus@...cinc.com>
Cc:     ~okias/devicetree@...ts.sr.ht, linux-arm-msm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4 3/3] dt-bindings: firmware: convert Qualcomm SCM
 binding to the yaml

On 26/06/2022 20:32, David Heidelberg wrote:
> Convert Qualcomm SCM firmware binding to the yaml format.
> 
> This commit also:
>  - adds qcom,scm-mdm9607 into list which has only core clock
>  - adds qcom,scm-sm6125, qcom,scm-ipq6018
>  - #reset-cells, because the property is already used
> 
> Signed-off-by: David Heidelberg <david@...t.cz>
> --
> v4:
>  - added clocks minItems and maxItems
>  - removed quotes from $id and $schema
>  - adjusted description of TCSR HW block

Thank you for your patch. There is something to discuss/improve.

> +properties:
> +  compatible:
> +    items:
> +      - enum:
> +          - qcom,scm-apq8064
> +          - qcom,scm-apq8084
> +          - qcom,scm-ipq4019
> +          - qcom,scm-ipq6018
> +          - qcom,scm-ipq806x
> +          - qcom,scm-ipq8074
> +          - qcom,scm-mdm9607
> +          - qcom,scm-msm8226
> +          - qcom,scm-msm8660
> +          - qcom,scm-msm8916
> +          - qcom,scm-msm8953
> +          - qcom,scm-msm8960
> +          - qcom,scm-msm8974
> +          - qcom,scm-msm8976
> +          - qcom,scm-msm8994
> +          - qcom,scm-msm8996
> +          - qcom,scm-msm8998
> +          - qcom,scm-sc7180
> +          - qcom,scm-sc7280
> +          - qcom,scm-sdm845
> +          - qcom,scm-sdx55
> +          - qcom,scm-sm6125
> +          - qcom,scm-sm6350
> +          - qcom,scm-sm8150
> +          - qcom,scm-sm8250
> +          - qcom,scm-sm8350
> +          - qcom,scm-sm8450
> +          - qcom,scm-qcs404
> +      - const: qcom,scm
> +
> +  clocks:
> +    minItems: 1
> +    maxItems: 3
> +
> +  clock-names:
> +    minItems: 1
> +    maxItems: 3
> +
> +  '#reset-cells':
> +    const: 1
> +
> +  qcom,dload-mode:
> +    $ref: /schemas/types.yaml#/definitions/phandle-array
> +    items:
> +      - items:
> +          - description: phandle to TCSR hardware block
> +          - description: offset of the download mode control register
> +    description: TCSR hardware block
> +
> +allOf:
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            enum:
> +              - qcom,scm-apq8064
> +              - qcom,scm-mdm9607
> +              - qcom,scm-msm8660
> +              - qcom,scm-msm8960
> +    then:
> +      properties:
> +        clock-names:
> +          items:
> +            - const: core
> +
> +        clocks:
> +          maxItems: 1
> +
> +      required:
> +        - clocks
> +        - clock-names
> +
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            enum:
> +              - qcom,scm-apq8084
> +              - qcom,scm-msm8916
> +              - qcom,scm-msm8953
> +              - qcom,scm-msm8974
> +              - qcom,scm-msm8976
> +    then:
> +      properties:
> +        clock-names:
> +          items:
> +            - const: core
> +            - const: bus
> +            - const: iface
> +
> +        clocks:
> +          minItems: 3
> +          maxItems: 3
> +
> +

Just one blank line.

> +      required:
> +        - clocks
> +        - clock-names
> +
> +required:
> +  - compatible
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    include <dt-bindings/clock/qcom,gcc-msm8916.h>
> +
> +    firmware {
> +        scm {
> +            compatible = "qcom,msm8916", "qcom,scm";
> +            clocks = <&gcc GCC_CRYPTO_CLK>,
> +                     <&gcc GCC_CRYPTO_AXI_CLK>,
> +                     <&gcc GCC_CRYPTO_AHB_CLK>;
> +            clock-names = "core", "bus", "iface";
> +        };
> +    };


Best regards,
Krzysztof