[PATCH v3] ARM: tegra124: pmu support
From: Kyle Huey <hidden>
Date: 2015-06-16 21:29:35
Also in:
linux-devicetree, linux-tegra, lkml
Subsystem:
the rest · Maintainer:
Linus Torvalds
This patch modifies the device tree for tegra124 based devices to enable the Cortex A15 PMU. The interrupt numbers are taken from NVIDIA TRM DP-06905-001_v03p. This patch was tested on a Jetson TK1. Updated for proper ordering and to add interrupt-affinity values. Signed-off-by: Kyle Huey <redacted> --- arch/arm/boot/dts/tegra124.dtsi | 17 +++++++++++++---- 1 file changed, 13 insertions(+), 4 deletions(-)
diff --git a/arch/arm/boot/dts/tegra124.dtsi b/arch/arm/boot/dts/tegra124.dtsi
index 13cc7ca..de07d7e 100644
--- a/arch/arm/boot/dts/tegra124.dtsi
+++ b/arch/arm/boot/dts/tegra124.dtsi@@ -913,41 +913,50 @@ nvidia,xcvr-hsslew = <12>; status = "disabled"; }; cpus { #address-cells = <1>; #size-cells = <0>; - cpu at 0 { + A15_0: cpu at 0 { device_type = "cpu"; compatible = "arm,cortex-a15"; reg = <0>; }; - cpu at 1 { + A15_1: cpu at 1 { device_type = "cpu"; compatible = "arm,cortex-a15"; reg = <1>; }; - cpu at 2 { + A15_2: cpu at 2 { device_type = "cpu"; compatible = "arm,cortex-a15"; reg = <2>; }; - cpu at 3 { + A15_3: cpu at 3 { device_type = "cpu"; compatible = "arm,cortex-a15"; reg = <3>; }; }; + pmu { + compatible = "arm,cortex-a15-pmu"; + interrupts = <GIC_SPI 144 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 145 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 146 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 147 IRQ_TYPE_LEVEL_HIGH>; + interrupt-affinity = <&A15_0>, <&A15_1>, <&A15_2>, <&A15_3>; + }; + thermal-zones { cpu { polling-delay-passive = <1000>; polling-delay = <1000>; thermal-sensors = <&soctherm TEGRA124_SOCTHERM_SENSOR_CPU>; };
--
1.9.1