linux-kernel - [PATCH 21/22] arm64: dts: qcom: sm8150: Add SMEM nodes

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Date:   Wed, 14 Aug 2019 18:20:11 +0530
From:   Vinod Koul <vkoul@...nel.org>
To:     Andy Gross <agross@...nel.org>
Cc:     linux-arm-msm@...r.kernel.org,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        sibis@...eaurora.org, Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Stephen Boyd <sboyd@...nel.org>, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, Vinod Koul <vkoul@...nel.org>
Subject: [PATCH 21/22] arm64: dts: qcom: sm8150: Add SMEM nodes

From: Sibi Sankar <sibis@...eaurora.org>

Add the necessary dt nodes to support SMEM on SM8150 SoC.

Signed-off-by: Sibi Sankar <sibis@...eaurora.org>
Signed-off-by: Vinod Koul <vkoul@...nel.org>
---
 arch/arm64/boot/dts/qcom/sm8150.dtsi | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sm8150.dtsi b/arch/arm64/boot/dts/qcom/sm8150.dtsi
index 19be87dc893f..5df3f335272a 100644
--- a/arch/arm64/boot/dts/qcom/sm8150.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8150.dtsi
@@ -142,6 +142,12 @@
 		};
 	};
 
+	tcsr_mutex: hwlock {
+		compatible = "qcom,tcsr-mutex";
+		syscon = <&tcsr_mutex_regs 0 0x1000>;
+		#hwlock-cells = <1>;
+	};
+
 	memory@...00000 {
 		device_type = "memory";
 		/* We expect the bootloader to fill in the size */
@@ -269,6 +275,12 @@
 		};
 	};
 
+	smem {
+		compatible = "qcom,smem";
+		memory-region = <&smem_mem>;
+		hwlocks = <&tcsr_mutex 3>;
+	};
+
 	soc: soc@0 {
 		#address-cells = <1>;
 		#size-cells = <1>;
@@ -306,6 +318,11 @@
 			};
 		};
 
+		tcsr_mutex_regs: syscon@...0000 {
+			compatible = "syscon";
+			reg = <0x01f40000 0x40000>;
+		};
+
 		tlmm: pinctrl@...0000 {
 			compatible = "qcom,sm8150-pinctrl";
 			reg = <0x03100000 0x300000>,
-- 
2.20.1