dt-bindings: power: rpmpd: Add MSM8974 power domains

Add the compatibles and indexes for the rpmpd in MSM8974, both with the
standard PM8841+PM8941 PMICs but also devices found with PMA8084.
Signed-off-by: Luca Weiss <luca@z3ntu.xyz>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240210-msm8974-rpmpd-v2-1-595e2ff80ea1@z3ntu.xyzSigned-off-by: Ulf Hansson <ulf.hansson@linaro.org>

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

@@ -24,6 +24,8 @@ properties:
           - qcom,msm8917-rpmpd
           - qcom,msm8939-rpmpd
           - qcom,msm8953-rpmpd
+          - qcom,msm8974-rpmpd
+          - qcom,msm8974pro-pma8084-rpmpd
           - qcom,msm8976-rpmpd
           - qcom,msm8994-rpmpd
           - qcom,msm8996-rpmpd

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

@@ -308,6 +308,13 @@
 #define MSM8953_VDDMX		5
 #define MSM8953_VDDMX_AO	6
 
+/* MSM8974 Power Domain Indexes */
+#define MSM8974_VDDCX		0
+#define MSM8974_VDDCX_AO	1
+#define MSM8974_VDDCX_VFC	2
+#define MSM8974_VDDGFX		3
+#define MSM8974_VDDGFX_VFC	4
+
 /* MSM8976 Power Domain Indexes */
 #define MSM8976_VDDCX		0
 #define MSM8976_VDDCX_AO	1