arm64: dts: qcom: Add RPM/SMD support on MSM8916

Add support for the SMD and RPM devices found on MSM8916 platforms.
Signed-off-by: Andy Gross <agross@codeaurora.org>
Acked-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>

arch/arm64/boot/dts/qcom/msm8916.dtsi

@@ -169,6 +169,11 @@ blsp1_uart1: serial@78af000 {
 			status = "disabled";
 		};
 
+		apcs: syscon@b011000 {
+			compatible = "syscon";
+			reg = <0x0b011000 0x1000>;
+		};
+
 		blsp1_uart2: serial@78b0000 {
 			compatible = "qcom,msm-uartdm-v1.4", "qcom,msm-uartdm";
 			reg = <0x78b0000 0x200>;
@@ -497,6 +502,21 @@ rng@22000 {
 			clock-names = "core";
 		};
 	};
+
+	smd {
+		compatible = "qcom,smd";
+
+		rpm {
+			interrupts = <GIC_SPI 168 IRQ_TYPE_EDGE_RISING>;
+			qcom,ipc = <&apcs 8 0>;
+			qcom,smd-edge = <15>;
+
+			rpm_requests {
+				compatible = "qcom,rpm-msm8916";
+				qcom,smd-channels = "rpm_requests";
+			};
+		};
+	};
 };
 
 #include "msm8916-pins.dtsi"