On Fri 09 Jul 12:31 CDT 2021, Dmitry Baryshkov wrote:
> On sm8250 dispcc requires MMCX power domain to be powered up before
> clock controller's registers become available. For now sm8250 was using
> external regulator driven by the power domain to describe this
> relationship. Switch into specifying power-domain and required opp-state
> directly.
>
Reviewed-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx>
Regards,
Bjorn
> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
> ---
> .../devicetree/bindings/clock/qcom,dispcc-sm8x50.yaml | 7 +++++++
> 1 file changed, 7 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/clock/qcom,dispcc-sm8x50.yaml b/Documentation/devicetree/bindings/clock/qcom,dispcc-sm8x50.yaml
> index 0cdf53f41f84..d5c4fed56b6e 100644
> --- a/Documentation/devicetree/bindings/clock/qcom,dispcc-sm8x50.yaml
> +++ b/Documentation/devicetree/bindings/clock/qcom,dispcc-sm8x50.yaml
> @@ -55,6 +55,11 @@ properties:
> reg:
> maxItems: 1
>
> + power-domains:
> + description:
> + A phandle and PM domain specifier for the MMCX power domain.
> + maxItems: 1
> +
> required:
> - compatible
> - reg
> @@ -69,6 +74,7 @@ additionalProperties: false
> examples:
> - |
> #include <dt-bindings/clock/qcom,rpmh.h>
> + #include <dt-bindings/power/qcom-rpmpd.h>
> clock-controller@af00000 {
> compatible = "qcom,sm8250-dispcc";
> reg = <0x0af00000 0x10000>;
> @@ -89,5 +95,6 @@ examples:
> #clock-cells = <1>;
> #reset-cells = <1>;
> #power-domain-cells = <1>;
> + power-domains = <&rpmhpd SM8250_MMCX>;
> };
> ...
> --
> 2.30.2
>
