Re: [PATCH v2 12/13] dt-bindings: msm/dp: Add bindings for HDCP registers

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On Wed, Sep 15, 2021 at 04:38:31PM -0400, Sean Paul wrote:
> From: Sean Paul <seanpaul@xxxxxxxxxxxx>
> 
> This patch adds the bindings for the MSM DisplayPort HDCP registers
> which are required to write the HDCP key into the display controller as
> well as the registers to enable HDCP authentication/key
> exchange/encryption.
> 
> Cc: Rob Herring <robh@xxxxxxxxxx>
> Cc: Stephen Boyd <swboyd@xxxxxxxxxxxx>
> Signed-off-by: Sean Paul <seanpaul@xxxxxxxxxxxx>
> Link: https://patchwork.freedesktop.org/patch/msgid/20210913175747.47456-13-sean@xxxxxxxxxx #v1
> 
> Changes in v2:
> -Drop register range names (Stephen)
> -Fix yaml errors (Rob)
> ---
>  .../devicetree/bindings/display/msm/dp-controller.yaml     | 7 ++++---
>  1 file changed, 4 insertions(+), 3 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/display/msm/dp-controller.yaml b/Documentation/devicetree/bindings/display/msm/dp-controller.yaml
> index 64d8d9e5e47a..80a55e9ff532 100644
> --- a/Documentation/devicetree/bindings/display/msm/dp-controller.yaml
> +++ b/Documentation/devicetree/bindings/display/msm/dp-controller.yaml
> @@ -19,7 +19,7 @@ properties:
>        - qcom,sc7180-dp
>  
>    reg:
> -    maxItems: 1
> +    maxItems: 3

You need to define what each entry is.

items:
  - description: ...
  - description: ...
  - description: ...

>  
>    interrupts:
>      maxItems: 1
> @@ -99,8 +99,9 @@ examples:
>      #include <dt-bindings/power/qcom-rpmpd.h>
>  
>      displayport-controller@ae90000 {
> -        compatible = "qcom,sc7180-dp";
> -        reg = <0xae90000 0x1400>;
> +        reg = <0 0x0ae90000 0 0x1400>,
> +              <0 0x0aed1000 0 0x174>,
> +              <0 0x0aee1000 0 0x2c>;
>          interrupt-parent = <&mdss>;
>          interrupts = <12>;
>          clocks = <&dispcc DISP_CC_MDSS_AHB_CLK>,
> -- 
> Sean Paul, Software Engineer, Google / Chromium OS
> 
> 



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