dt-bindings: power: rpmpd: add sdm670 power domains

Add the RPMh power domain IDs and compatible string for Snapdragon 670 to
make SDM670 power domains accessible to the device trees.

Signed-off-by: Richard Acayan <mailingradian@gmail.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20221004221130.14076-2-mailingradian@gmail.com

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

@@ -34,6 +34,7 @@ properties:
       - qcom,sc7280-rpmhpd
       - qcom,sc8180x-rpmhpd
       - qcom,sc8280xp-rpmhpd
+      - qcom,sdm670-rpmhpd
       - qcom,sdm845-rpmhpd
       - qcom,sdx55-rpmhpd
       - qcom,sdx65-rpmhpd

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

@@ -4,6 +4,16 @@
 #ifndef _DT_BINDINGS_POWER_QCOM_RPMPD_H
 #define _DT_BINDINGS_POWER_QCOM_RPMPD_H
 
+/* SDM670 Power Domain Indexes */
+#define SDM670_MX	0
+#define SDM670_MX_AO	1
+#define SDM670_CX	2
+#define SDM670_CX_AO	3
+#define SDM670_LMX	4
+#define SDM670_LCX	5
+#define SDM670_GFX	6
+#define SDM670_MSS	7
+
 /* SDM845 Power Domain Indexes */
 #define SDM845_EBI	0
 #define SDM845_MX	1