[PATCH 5/8] dt/bindings: Update binding for PM domain idle states
From: geert@linux-m68k.org (Geert Uytterhoeven)
Date: 2016-10-06 08:06:48
Also in:
linux-arm-msm, linux-devicetree, linux-pm
On Wed, Oct 5, 2016 at 10:31 PM, Lina Iyer [off-list ref] wrote:
quoted hunk
Update DT bindings to describe idle states of PM domains. This patch is based on the original patch by Marc Titinger. Cc: <redacted> Signed-off-by: Marc Titinger <redacted> Signed-off-by: Ulf Hansson <redacted> Signed-off-by: Lina Iyer <redacted> Acked-by: Rob Herring <robh@kernel.org> --- .../devicetree/bindings/power/power_domain.txt | 36 ++++++++++++++++++++++ 1 file changed, 36 insertions(+)diff --git a/Documentation/devicetree/bindings/power/power_domain.txt b/Documentation/devicetree/bindings/power/power_domain.txt index 025b5e7..a043315 100644 --- a/Documentation/devicetree/bindings/power/power_domain.txt +++ b/Documentation/devicetree/bindings/power/power_domain.txt@@ -29,6 +29,10 @@ Optional properties: specified by this binding. More details about power domain specifier are available in the next section. +- domain-idle-states : A phandle of an idle-state that shall be soaked into a + generic domain power state. The idle state definitions are + compatible with arm,idle-state specified in [1]. + Example: power: power-controller at 12340000 {@@ -59,6 +63,36 @@ The nodes above define two power controllers: 'parent' and 'child'. Domains created by the 'child' power controller are subdomains of '0' power domain provided by the 'parent' power controller. +Example 3: + parent: power-controller at 12340000 {
With W=1, this is gonna trigger:
Warning (unit_address_vs_reg): Node foo has a unit name, but no reg property
Yes, there are pre-existing users in this file.
+ compatible = "foo,power-controller"; + reg = <0x12340000 0x1000>; + #power-domain-cells = <1>; + domain-idle-states = <&DOMAIN_RET, &DOMAIN_PWR_DN>; + };
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert at linux-m68k.org
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when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds