linux-kernel - [Patch v4 2/2] arm: dts: Add APQ8084 SMEM nodes

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Date:	Fri, 11 Dec 2015 00:13:05 -0600
From:	Andy Gross <andy.gross@...aro.org>
To:	linux-arm-msm@...r.kernel.org
Cc:	Bjorn Andersson <bjorn.andersson@...ymobile.com>,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	devicetree@...r.kernel.org, Andy Gross <agross@...eaurora.org>
Subject: [Patch v4 2/2] arm: dts: Add APQ8084 SMEM nodes

From: Andy Gross <agross@...eaurora.org>

This patch adds all the required nodes to support SMEM on APQ8084

Signed-off-by: Andy Gross <agross@...eaurora.org>
Acked-by: Bjorn Andersson <bjorn.andersson@...ymobile.com>
---
 arch/arm/boot/dts/qcom-apq8084.dtsi | 36 ++++++++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)

diff --git a/arch/arm/boot/dts/qcom-apq8084.dtsi b/arch/arm/boot/dts/qcom-apq8084.dtsi
index fcffeca..3d3b394 100644
--- a/arch/arm/boot/dts/qcom-apq8084.dtsi
+++ b/arch/arm/boot/dts/qcom-apq8084.dtsi
@@ -10,6 +10,17 @@
 	compatible = "qcom,apq8084";
 	interrupt-parent = <&intc>;
 
+	reserved-memory {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges;
+
+		smem_mem: smem_region@...0000 {
+			reg = <0xfa00000 0x200000>;
+			no-map;
+		};
+	};
+
 	cpus {
 		#address-cells = <1>;
 		#size-cells = <0>;
@@ -89,6 +100,15 @@
 		clock-frequency = <19200000>;
 	};
 
+	smem {
+		compatible = "qcom,smem";
+
+		qcom,rpm-msg-ram = <&rpm_msg_ram>;
+		memory-region = <&smem_mem>;
+
+		hwlocks = <&tcsr_mutex 3>;
+	};
+
 	soc: soc {
 		#address-cells = <1>;
 		#size-cells = <1>;
@@ -225,6 +245,22 @@
 			reg = <0xfc400000 0x4000>;
 		};
 
+		tcsr_mutex_regs: syscon@...84000 {
+			compatible = "syscon";
+			reg = <0xfd484000 0x2000>;
+		};
+
+		tcsr_mutex: hwlock {
+			compatible = "qcom,tcsr-mutex";
+			syscon = <&tcsr_mutex_regs 0 0x80>;
+			#hwlock-cells = <1>;
+		};
+
+		rpm_msg_ram: memory@...28000 {
+			compatible = "qcom,rpm-msg-ram";
+			reg = <0xfc428000 0x4000>;
+		};
+
 		tlmm: pinctrl@...10000 {
 			compatible = "qcom,apq8084-pinctrl";
 			reg = <0xfd510000 0x4000>;
-- 
1.9.1

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