arm64: dts: qcom: sm6350: Add SPMI bus

Add a node for SPMI to allow for communication with on-board PMICs.
Signed-off-by: Konrad Dybcio <konrad.dybcio@somainline.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20210923162204.21752-11-konrad.dybcio@somainline.org

arch/arm64/boot/dts/qcom/sm6350.dtsi

@@ -546,6 +546,24 @@ aoss_qmp: power-controller@c300000 {
 			#power-domain-cells = <1>;
 		};
 
+		spmi_bus: spmi@c440000 {
+			compatible = "qcom,spmi-pmic-arb";
+			reg = <0 0xc440000 0 0x1100>,
+			      <0 0xc600000 0 0x2000000>,
+			      <0 0xe600000 0 0x100000>,
+			      <0 0xe700000 0 0xa0000>,
+			      <0 0xc40a000 0 0x26000>;
+			reg-names = "core", "chnls", "obsrvr", "intr", "cnfg";
+			interrupt-names = "periph_irq";
+			interrupts-extended = <&pdc 1 IRQ_TYPE_LEVEL_HIGH>;
+			qcom,ee = <0>;
+			qcom,channel = <0>;
+			#address-cells = <2>;
+			#size-cells = <0>;
+			interrupt-controller;
+			#interrupt-cells = <4>;
+		};
+
 		tlmm: pinctrl@f100000 {
 			compatible = "qcom,sm6350-tlmm";
 			reg = <0 0x0f100000 0 0x300000>;