dt-bindings: power: Add rpmh power-domain bindings for sc7180

Add RPMH power-domain bindings for the SC7180 family of SoCs.
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Reviewed-by: Rajendra Nayak <rnayak@codeaurora.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Sibi Sankar <sibis@codeaurora.org>
Link: https://lore.kernel.org/r/0101016e7f99ca4e-47d442f4-b923-4eea-b812-898e5476beab-000000@us-west-2.amazonses.comSigned-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

Documentation/devicetree/bindings/power/qcom,rpmpd.txt

@@ -9,6 +9,7 @@ Required Properties:
 	* qcom,msm8996-rpmpd: RPM Power domain for the msm8996 family of SoC
 	* qcom,msm8998-rpmpd: RPM Power domain for the msm8998 family of SoC
 	* qcom,qcs404-rpmpd: RPM Power domain for the qcs404 family of SoC
+	* qcom,sc7180-rpmhpd: RPMh Power domain for the sc7180 family of SoC
 	* qcom,sdm845-rpmhpd: RPMh Power domain for the sdm845 family of SoC
 	* qcom,sm8150-rpmhpd: RPMh Power domain for the sm8150 family of SoC
  - #power-domain-cells: number of cells in Power domain specifier

include/dt-bindings/power/qcom-rpmpd.h

@@ -28,6 +28,16 @@
 #define SM8150_MMCX	9
 #define SM8150_MMCX_AO	10
 
+/* SC7180 Power Domain Indexes */
+#define SC7180_CX	0
+#define SC7180_CX_AO	1
+#define SC7180_GFX	2
+#define SC7180_MX	3
+#define SC7180_MX_AO	4
+#define SC7180_LMX	5
+#define SC7180_LCX	6
+#define SC7180_MSS	7
+
 /* SDM845 Power Domain performance levels */
 #define RPMH_REGULATOR_LEVEL_RETENTION	16
 #define RPMH_REGULATOR_LEVEL_MIN_SVS	48