dt-bindings: power: rpmpd: Add SM8450 to rpmpd binding

Add compatible and constants for the power domains exposed by the RPMH
in the Qualcomm SM8450 platform.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20211201072745.3969077-6-vkoul@kernel.org

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

@@ -38,6 +38,7 @@ properties:
       - qcom,sm8150-rpmhpd
       - qcom,sm8250-rpmhpd
       - qcom,sm8350-rpmhpd
+      - qcom,sm8450-rpmhpd
 
   '#power-domain-cells':
     const: 1

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

@@ -68,6 +68,21 @@
 #define SM8350_MXC_AO	11
 #define SM8350_MSS	12
 
+/* SM8450 Power Domain Indexes */
+#define SM8450_CX	0
+#define SM8450_CX_AO	1
+#define SM8450_EBI	2
+#define SM8450_GFX	3
+#define SM8450_LCX	4
+#define SM8450_LMX	5
+#define SM8450_MMCX	6
+#define SM8450_MMCX_AO	7
+#define SM8450_MX	8
+#define SM8450_MX_AO	9
+#define SM8450_MXC	10
+#define SM8450_MXC_AO	11
+#define SM8450_MSS	12
+
 /* SC7180 Power Domain Indexes */
 #define SC7180_CX	0
 #define SC7180_CX_AO	1