arm64: dts: qcom: Add MSM8916 SMEM nodes

This patch adds the nodes necessary to support the SMEM driver 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

@@ -37,6 +37,22 @@
 		reg = <0 0 0 0>;
 	};
 
+	reserved-memory {
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges;
+
+		reserve_aligned@86000000 {
+			reg = <0x0 0x86000000 0x0 0x0300000>;
+			no-map;
+		};
+
+		smem_mem: smem_region@86300000 {
+			reg = <0x0 0x86300000 0x0 0x0100000>;
+			no-map;
+		};
+	};
+
 	cpus {
 		#address-cells = <1>;
 		#size-cells = <0>;
@@ -88,6 +104,15 @@
 		};
 	};
 
+	smem {
+		compatible = "qcom,smem";
+
+		memory-region = <&smem_mem>;
+		qcom,rpm-msg-ram = <&rpm_msg_ram>;
+
+		hwlocks = <&tcsr_mutex 3>;
+	};
+
 	soc: soc {
 		#address-cells = <1>;
 		#size-cells = <1>;
@@ -117,6 +142,22 @@
 			reg = <0x1800000 0x80000>;
 		};
 
+		tcsr_mutex_regs: syscon@1905000 {
+			compatible = "syscon";
+			reg = <0x1905000 0x20000>;
+		};
+
+		tcsr_mutex: hwlock {
+			compatible = "qcom,tcsr-mutex";
+			syscon = <&tcsr_mutex_regs 0 0x1000>;
+			#hwlock-cells = <1>;
+		};
+
+		rpm_msg_ram: memory@60000 {
+			compatible = "qcom,rpm-msg-ram";
+			reg = <0x60000 0x8000>;
+		};
+
 		blsp1_uart1: serial@78af000 {
 			compatible = "qcom,msm-uartdm-v1.4", "qcom,msm-uartdm";
 			reg = <0x78af000 0x200>;