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| author | Sascha Hauer <s.hauer@pengutronix.de> | 2019-08-19 08:56:20 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2019-08-19 08:56:20 +0200 |
| commit | 6940ba22c66ac1c713500027bf5f6832442a1410 (patch) | |
| tree | a460f01b9807e1c17206a40dbc94b6f54167cf29 /dts/Bindings/arm/idle-states.txt | |
| parent | e66a790177410d7433e6672d97bb0b54455ba669 (diff) | |
| download | barebox-6940ba22c66ac1c713500027bf5f6832442a1410.tar.gz barebox-6940ba22c66ac1c713500027bf5f6832442a1410.tar.xz | |
dts: update to v5.3-rc1
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'dts/Bindings/arm/idle-states.txt')
| -rw-r--r-- | dts/Bindings/arm/idle-states.txt | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/dts/Bindings/arm/idle-states.txt b/dts/Bindings/arm/idle-states.txt index 45730ba60a..326f29b270 100644 --- a/dts/Bindings/arm/idle-states.txt +++ b/dts/Bindings/arm/idle-states.txt @@ -241,9 +241,13 @@ processor idle states, defined as device tree nodes, are listed. - "psci" # On ARM 32-bit systems this property is optional -The nodes describing the idle states (state) can only be defined within the -idle-states node, any other configuration is considered invalid and therefore -must be ignored. +This assumes that the "enable-method" property is set to "psci" in the cpu +node[6] that is responsible for setting up CPU idle management in the OS +implementation. + +The nodes describing the idle states (state) can only be defined +within the idle-states node, any other configuration is considered invalid +and therefore must be ignored. =========================================== 4 - state node @@ -687,7 +691,7 @@ cpus { Documentation/devicetree/bindings/arm/cpus.yaml [2] ARM Linux Kernel documentation - PSCI bindings - Documentation/devicetree/bindings/arm/psci.txt + Documentation/devicetree/bindings/arm/psci.yaml [3] ARM Server Base System Architecture (SBSA) http://infocenter.arm.com/help/index.jsp @@ -697,3 +701,6 @@ cpus { [5] Devicetree Specification https://www.devicetree.org/specifications/ + +[6] ARM Linux Kernel documentation - Booting AArch64 Linux + Documentation/arm64/booting.txt |