Re: [PATCH v4 2/5] ASoC: dt-bindings: Add dt binding for lpass hdmi

[Rob Herring <robh@kernel.org>]

On Tue, Sep 08, 2020 at 05:44:39PM +0000, Srinivasa Rao Mandadapu wrote:
> From: V Sujith Kumar Reddy <vsujithk@codeaurora.org>
> 
> Adds bindings for lpass hdmi interface
> which can support audio path over dp.
> 
> Signed-off-by: Srinivasa Rao <srivasam@codeaurora.org>
> Signed-off-by: V Sujith Kumar Reddy <vsujithk@codeaurora.org>
> ---
>  .../devicetree/bindings/sound/qcom,lpass-cpu.yaml  | 51 ++++++++++++++++++++--
>  1 file changed, 47 insertions(+), 4 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/sound/qcom,lpass-cpu.yaml b/Documentation/devicetree/bindings/sound/qcom,lpass-cpu.yaml
> index 09c9bd2..7c2ac0c 100644
> --- a/Documentation/devicetree/bindings/sound/qcom,lpass-cpu.yaml
> +++ b/Documentation/devicetree/bindings/sound/qcom,lpass-cpu.yaml
> @@ -22,6 +22,7 @@ properties:
>        - qcom,lpass-cpu
>        - qcom,apq8016-lpass-cpu
>        - qcom,sc7180-lpass-cpu
> +      - qcom,sc7180-lpass-hdmi
>  
>    reg:
>      maxItems: 1
> @@ -60,10 +61,12 @@ properties:
>      const: 0
>  
>  patternProperties:
> -  "(^mi2s-[0-9a-f]$|mi2s)":
> +  "^dai@[0-9a-f]$":
>      type: object
> -    description: Required properties for each DAI
> -
> +    description: |
> +      LPASS CPU dai node for each I2S device. Bindings of each node
> +      depends on the specific driver providing the functionality and
> +      properties.
>      properties:
>        reg:
>          maxItems: 1
> @@ -145,6 +148,22 @@ allOf:
>          - iommus
>          - power-domains
>  
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            const: qcom,sc7180-lpass-hdmi
> +    then:
> +      properties:
> +        clock-names:
> +          items:
> +            - const: pcnoc-sway-clk
> +            - const: audio-core
> +            - const: pcnoc-mport-clk
> +      required:
> +        - iommus
> +        - power-domains
> +
>  examples:
>    - |
>      #include <dt-bindings/sound/sc7180-lpass.h>
> @@ -178,12 +197,36 @@ examples:
>              #address-cells = <1>;
>              #size-cells = <0>;
>              /* Optional to set different MI2S SD lines */
> -            mi2s-primary@0 {
> +            dai@mi2s-primary {

The unit address should be a number.

As this is not failing checks, then you are missing an 
'additionalProperties: false'.

>                  reg = <MI2S_PRIMARY>;
>                  qcom,playback-sd-lines = <1>;
>                  qcom,capture-sd-lines = <0>;
>              };
>          };
> +
> +        lpassh@62d87000 {
> +            compatible = "qcom,sc7180-lpass-hdmi";
> +
> +            reg = <0 0x62d87000 0 0x68000>;
> +
> +            iommus = <&apps_smmu 0x1032 0>;
> +
> +            power-domains = <&lpass_hm 0>;
> +
> +            clocks = <&gcc 131>,
> +                 <&lpasscc 6>,
> +                 <&lpasscc 10>;
> +
> +            clock-names = "pcnoc-sway-clk", "audio-core",
> +                          "pcnoc-mport-clk";
> +
> +            #sound-dai-cells = <1>;
> +
> +            #address-cells = <1>;
> +            #size-cells = <0>;
> +
> +            interrupts = <0 268 1>;
> +        };
>      };
>  
>  ...
> -- 
> Qualcomm India Private Limited, on behalf of Qualcomm Innovation Center, Inc.,
> is a member of Code Aurora Forum, a Linux Foundation Collaborative Project.
>