From: Sibi S <sibis@codeaurora.org>
Date: Mon, 30 Apr 2018 14:44:28 +0000 (+0530)
Subject: arm64: dts: qcom: Add SDM845 SMEM nodes
X-Git-Tag: v4.18-rc1~50^2~18^2~6
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=71c8428e487d640d42f3fb7991e56914ea3f76b5;p=thirdparty%2Fkernel%2Flinux.git

arm64: dts: qcom: Add SDM845 SMEM nodes

Add all the necessary dt nodes to support SMEM driver
on SDM845. It also adds the required memory carveouts
so that the kernel does not access memory that is in
use.

Signed-off-by: Sibi Sankar <sibis@codeaurora.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
---

diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi b/arch/arm64/boot/dts/qcom/sdm845.dtsi
index 740c4182cbe1b..71e45c14abc11 100644
--- a/arch/arm64/boot/dts/qcom/sdm845.dtsi
+++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi
@@ -21,6 +21,27 @@
 		reg = <0 0x80000000 0 0>;
 	};
 
+	reserved-memory {
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges;
+
+		memory@85fc0000 {
+			reg = <0 0x85fc0000 0 0x20000>;
+			no-map;
+		};
+
+		smem_mem: memory@86000000 {
+			reg = <0x0 0x86000000 0x0 0x200000>;
+			no-map;
+		};
+
+		memory@86200000 {
+			reg = <0 0x86200000 0 0x2d00000>;
+			no-map;
+		};
+	};
+
 	cpus {
 		#address-cells = <2>;
 		#size-cells = <0>;
@@ -147,6 +168,18 @@
 		};
 	};
 
+	tcsr_mutex: hwlock {
+		compatible = "qcom,tcsr-mutex";
+		syscon = <&tcsr_mutex_regs 0 0x1000>;
+		#hwlock-cells = <1>;
+	};
+
+	smem {
+		compatible = "qcom,smem";
+		memory-region = <&smem_mem>;
+		hwlocks = <&tcsr_mutex 3>;
+	};
+
 	psci {
 		compatible = "arm,psci-1.0";
 		method = "smc";
@@ -273,6 +306,11 @@
 			cell-index = <0>;
 		};
 
+		tcsr_mutex_regs: syscon@1f40000 {
+			compatible = "syscon";
+			reg = <0x1f40000 0x40000>;
+		};
+
 		apss_shared: mailbox@17990000 {
 			compatible = "qcom,sdm845-apss-shared";
 			reg = <0x17990000 0x1000>;