dt-bindings: clock: qcom,dispcc-sm8x50: add mmcx power domain
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. Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org> Reviewed-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/20210829154757.784699-2-dmitry.baryshkov@linaro.org Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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@ -56,6 +56,16 @@ properties:
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reg:
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maxItems: 1
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power-domains:
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description:
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A phandle and PM domain specifier for the MMCX power domain.
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maxItems: 1
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required-opps:
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description:
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A phandle to an OPP node describing required MMCX performance point.
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maxItems: 1
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required:
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- compatible
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- reg
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@ -70,6 +80,7 @@ additionalProperties: false
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examples:
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- |
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#include <dt-bindings/clock/qcom,rpmh.h>
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#include <dt-bindings/power/qcom-rpmpd.h>
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clock-controller@af00000 {
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compatible = "qcom,sm8250-dispcc";
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reg = <0x0af00000 0x10000>;
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@ -90,5 +101,7 @@ examples:
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#clock-cells = <1>;
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#reset-cells = <1>;
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#power-domain-cells = <1>;
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power-domains = <&rpmhpd SM8250_MMCX>;
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required-opps = <&rpmhpd_opp_low_svs>;
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};
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...
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