[PATCH v4 6/6] arm64: boot: dts: update rtsm aemv8 dts with PSCI and idle states
From: Lorenzo Pieralisi <hidden>
Date: 2014-06-11 16:18:40
Also in:
linux-arm-kernel, linux-devicetree
Subsystem:
the rest · Maintainer:
Linus Torvalds
This patch updates the RTSM dts file with PSCI bindings and nodes describing the AEMv8 model idle states parameters. Signed-off-by: Lorenzo Pieralisi <redacted> --- arch/arm64/boot/dts/rtsm_ve-aemv8a.dts | 44 +++++++++++++++++++++++++++------- 1 file changed, 36 insertions(+), 8 deletions(-)
diff --git a/arch/arm64/boot/dts/rtsm_ve-aemv8a.dts b/arch/arm64/boot/dts/rtsm_ve-aemv8a.dts
index d79de9c..4051ffb 100644
--- a/arch/arm64/boot/dts/rtsm_ve-aemv8a.dts
+++ b/arch/arm64/boot/dts/rtsm_ve-aemv8a.dts@@ -27,37 +27,65 @@ serial3 = &v2m_serial3; }; + psci { + compatible = "arm,psci-0.2"; + method = "smc"; + cpu_suspend = <0xc4000001>; + cpu_off = <0x84000002>; + cpu_on = <0xc4000003>; + }; + cpus { #address-cells = <2>; #size-cells = <0>; + idle-states { + entry-method = "arm,psci"; + + CPU_SLEEP_0: cpu-sleep-0 { + compatible = "arm,idle-state"; + entry-method-param = <0x0010000>; + entry-latency-us = <40>; + exit-latency-us = <100>; + min-residency-us = <150>; + }; + + CLUSTER_SLEEP_0: cluster-sleep-0 { + compatible = "arm,idle-state"; + entry-method-param = <0x1010000>; + entry-latency-us = <500>; + exit-latency-us = <1000>; + min-residency-us = <2500>; + }; + }; + cpu@0 { device_type = "cpu"; compatible = "arm,armv8"; reg = <0x0 0x0>; - enable-method = "spin-table"; - cpu-release-addr = <0x0 0x8000fff8>; + enable-method = "psci"; + cpu-idle-states = <&CPU_SLEEP_0 &CLUSTER_SLEEP_0>; }; cpu@1 { device_type = "cpu"; compatible = "arm,armv8"; reg = <0x0 0x1>; - enable-method = "spin-table"; - cpu-release-addr = <0x0 0x8000fff8>; + enable-method = "psci"; + cpu-idle-states = <&CPU_SLEEP_0 &CLUSTER_SLEEP_0>; }; cpu@2 { device_type = "cpu"; compatible = "arm,armv8"; reg = <0x0 0x2>; - enable-method = "spin-table"; - cpu-release-addr = <0x0 0x8000fff8>; + enable-method = "psci"; + cpu-idle-states = <&CPU_SLEEP_0 &CLUSTER_SLEEP_0>; }; cpu@3 { device_type = "cpu"; compatible = "arm,armv8"; reg = <0x0 0x3>; - enable-method = "spin-table"; - cpu-release-addr = <0x0 0x8000fff8>; + enable-method = "psci"; + cpu-idle-states = <&CPU_SLEEP_0 &CLUSTER_SLEEP_0>; }; };
--
1.8.4