arm64: dts: qcom: sa8775p: add support for the on-board PMICs

Add a new .dtsi file for sa8775p PMICs and add the four PMICs interfaced
to the SoC via SPMI. Enable the PMICs for sa8775p-ride.
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230327125316.210812-8-brgl@bgdev.pl

arch/arm64/boot/dts/qcom/sa8775p-pmics.dtsi

+// SPDX-License-Identifier: BSD-3-Clause
+/*
+ * Copyright (c) 2023, Linaro Limited
+ */
+
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/spmi/spmi.h>
+
+&spmi_bus {
+	pmm8654au_0: pmic@0 {
+		compatible = "qcom,pmm8654au", "qcom,spmi-pmic";
+		reg = <0x0 SPMI_USID>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+	};
+
+	pmm8654au_1: pmic@2 {
+		compatible = "qcom,pmm8654au", "qcom,spmi-pmic";
+		reg = <0x2 SPMI_USID>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+	};
+
+	pmm8654au_2: pmic@4 {
+		compatible = "qcom,pmm8654au", "qcom,spmi-pmic";
+		reg = <0x4 SPMI_USID>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+	};
+
+	pmm8654au_3: pmic@6 {
+		compatible = "qcom,pmm8654au", "qcom,spmi-pmic";
+		reg = <0x6 SPMI_USID>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+	};
+};

arch/arm64/boot/dts/qcom/sa8775p-ride.dts

@@ -6,6 +6,7 @@
 /dts-v1/;
 
 #include "sa8775p.dtsi"
+#include "sa8775p-pmics.dtsi"
 
 / {
 	model = "Qualcomm SA8775P Ride";