Re: [PATCH 1/5] dt-bindings: msm/dp: Change reg definition

[abhinavk@codeaurora.org]

On 2021-07-21 19:42, Bjorn Andersson wrote:
> reg was defined as one region covering the entire DP block, but the
> memory map is actually split in 4 regions and obviously the size of
> these regions differs between platforms.
> 
> Switch the reg to require that all four regions are specified instead.
> It is expected that the implementation will handle existing DTBs, even
> though the schema defines the new layout.
> 
> Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

> ---
>  .../bindings/display/msm/dp-controller.yaml           | 11 +++++++++--
>  1 file changed, 9 insertions(+), 2 deletions(-)
> 
> diff --git
> a/Documentation/devicetree/bindings/display/msm/dp-controller.yaml
> b/Documentation/devicetree/bindings/display/msm/dp-controller.yaml
> index 64d8d9e5e47a..a6e41be038fc 100644
> --- a/Documentation/devicetree/bindings/display/msm/dp-controller.yaml
> +++ b/Documentation/devicetree/bindings/display/msm/dp-controller.yaml
> @@ -19,7 +19,11 @@ properties:
>        - qcom,sc7180-dp
> 
>    reg:
> -    maxItems: 1
> +    items:
> +      - description: ahb register block
> +      - description: aux register block
> +      - description: link register block
> +      - description: p0 register block
Do you also want to add the p1 register block here?
> 
>    interrupts:
>      maxItems: 1
> @@ -100,7 +104,10 @@ examples:
> 
>      displayport-controller@ae90000 {
>          compatible = "qcom,sc7180-dp";
> -        reg = <0xae90000 0x1400>;
> +        reg = <0xae90000 0x200>,
> +              <0xae90200 0x200>,
> +              <0xae90400 0xc00>,
> +              <0xae91000 0x400>;
here too?
>          interrupt-parent = <&mdss>;
>          interrupts = <12>;
>          clocks = <&dispcc DISP_CC_MDSS_AHB_CLK>,