linux-kernel - [RFC PATCH v2 9/9] ARM64: dts: meson-gxbb: Add SCPI with cpufreq & sensors Nodes

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Message-Id: <1466503374-28841-10-git-send-email-narmstrong@baylibre.com>
Date:	Tue, 21 Jun 2016 12:02:54 +0200
From:	Neil Armstrong <narmstrong@...libre.com>
To:	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	sudeep.holla@....com
Cc:	Neil Armstrong <narmstrong@...libre.com>,
	linux-amlogic@...ts.infradead.org, khilman@...libre.com,
	heiko@...ech.de, wxt@...k-chips.com, frank.wang@...k-chips.com
Subject: [RFC PATCH v2 9/9] ARM64: dts: meson-gxbb: Add SCPI with cpufreq & sensors Nodes

Add the vcpu DVFS clock, the SCPU shared SRAM and the SCPI sensors nodes.

Signed-off-by: Neil Armstrong <narmstrong@...libre.com>
---
 arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi | 36 +++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)

diff --git a/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi b/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi
index 913ba86..0f2596e 100644
--- a/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi
@@ -61,6 +61,7 @@
 			compatible = "arm,cortex-a53", "arm,armv8";
 			reg = <0x0 0x0>;
 			enable-method = "psci";
+			clocks = <&scpi_dvfs 0>;
 		};
 
 		cpu1: cpu@1 {
@@ -68,6 +69,7 @@
 			compatible = "arm,cortex-a53", "arm,armv8";
 			reg = <0x0 0x1>;
 			enable-method = "psci";
+			clocks = <&scpi_dvfs 0>;
 		};
 
 		cpu2: cpu@2 {
@@ -75,6 +77,7 @@
 			compatible = "arm,cortex-a53", "arm,armv8";
 			reg = <0x0 0x2>;
 			enable-method = "psci";
+			clocks = <&scpi_dvfs 0>;
 		};
 
 		cpu3: cpu@3 {
@@ -82,6 +85,7 @@
 			compatible = "arm,cortex-a53", "arm,armv8";
 			reg = <0x0 0x3>;
 			enable-method = "psci";
+			clocks = <&scpi_dvfs 0>;
 		};
 	};
 
@@ -99,6 +103,28 @@
 		method = "smc";
 	};
 
+	scpi {
+		compatible = "amlogic,meson-gxbb-scpi";
+		mboxes = <&mailbox 0 &mailbox 1>;
+		shmem = <&cpu_scp_lpri &cpu_scp_hpri>;
+
+		clocks {
+			compatible = "arm,scpi-clocks";
+
+			scpi_dvfs: scpi_clocks@0 {
+				compatible = "arm,scpi-dvfs-clocks";
+				#clock-cells = <1>;
+				clock-indices = <0>;
+				clock-output-names = "vcpu";
+	   		};
+		};
+
+		scpi_sensors: sensors {
+			compatible = "arm,scpi-sensors";
+			#thermal-sensor-cells = <1>;
+		};
+	};
+
 	timer {
 		compatible = "arm,armv8-timer";
 		interrupts = <GIC_PPI 13
@@ -131,6 +157,16 @@
 			#address-cells = <1>;
 			#size-cells = <1>;
 			ranges = <0 0x0 0xc8000000 0x14000>;
+
+			cpu_scp_lpri: scp-shmem@0 {
+				compatible = "amlogic,meson-gxbb-scp-shmem";
+				reg = <0x13000 0x400>;
+			};
+
+			cpu_scp_hpri: scp-shmem@200 {
+				compatible = "amlogic,meson-gxbb-scp-shmem";
+				reg = <0x13400 0x400>;
+			};
 		};
 
 		cbus: cbus@...00000 {
-- 
2.7.0