arm64: dts: qcom: ipq8074: add SPMI bus

IPQ8074 uses SPMI for communication with the PMIC, so
since its already supported add the DT node for it.
Signed-off-by: Robert Marko <robimarko@gmail.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20210905165816.655275-1-robimarko@gmail.com

arch/arm64/boot/dts/qcom/ipq8074.dtsi

@@ -293,6 +293,25 @@ gcc: gcc@1800000 {
 			#reset-cells = <0x1>;
 		};
 
+		spmi_bus: spmi@200f000 {
+			compatible = "qcom,spmi-pmic-arb";
+			reg = <0x0200f000 0x001000>,
+			      <0x02400000 0x800000>,
+			      <0x02c00000 0x800000>,
+			      <0x03800000 0x200000>,
+			      <0x0200a000 0x000700>;
+			reg-names = "core", "chnls", "obsrvr", "intr", "cnfg";
+			interrupts = <GIC_SPI 190 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "periph_irq";
+			qcom,ee = <0>;
+			qcom,channel = <0>;
+			#address-cells = <2>;
+			#size-cells = <0>;
+			interrupt-controller;
+			#interrupt-cells = <4>;
+			cell-index = <0>;
+		};
+
 		sdhc_1: sdhci@7824900 {
 			compatible = "qcom,sdhci-msm-v4";
 			reg = <0x7824900 0x500>, <0x7824000 0x800>;