Thread (25 messages) 25 messages, 4 authors, 2016-07-19
STALE3639d

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

From: Neil Armstrong <hidden>
Date: 2016-06-21 10:03:39
Also in: linux-amlogic, lkml
Subsystem: arm/amlogic meson soc support, the rest · Maintainers: Neil Armstrong, Kevin Hilman, Linus Torvalds

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

Signed-off-by: Neil Armstrong <redacted>
---
 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 at 1 {
@@ -68,6 +69,7 @@
 			compatible = "arm,cortex-a53", "arm,armv8";
 			reg = <0x0 0x1>;
 			enable-method = "psci";
+			clocks = <&scpi_dvfs 0>;
 		};
 
 		cpu2: cpu at 2 {
@@ -75,6 +77,7 @@
 			compatible = "arm,cortex-a53", "arm,armv8";
 			reg = <0x0 0x2>;
 			enable-method = "psci";
+			clocks = <&scpi_dvfs 0>;
 		};
 
 		cpu3: cpu at 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 at 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 at 0 {
+				compatible = "amlogic,meson-gxbb-scp-shmem";
+				reg = <0x13000 0x400>;
+			};
+
+			cpu_scp_hpri: scp-shmem at 200 {
+				compatible = "amlogic,meson-gxbb-scp-shmem";
+				reg = <0x13400 0x400>;
+			};
 		};
 
 		cbus: cbus at c1100000 {
-- 
2.7.0
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