linux-kernel - [RFC PATCH 3/3] dt-bindings: Add support for devices with multiple PM domains

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Date:   Tue, 20 Sep 2016 11:28:07 +0100
From:   Jon Hunter <jonathanh@...dia.com>
To:     "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Kevin Hilman <khilman@...nel.org>,
        Ulf Hansson <ulf.hansson@...aro.org>
CC:     <linux-pm@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-tegra@...r.kernel.org>, Jon Hunter <jonathanh@...dia.com>
Subject: [RFC PATCH 3/3] dt-bindings: Add support for devices with multiple PM domains

Now that the generic PM domain framework supports devices that require
multiple PM domains, update the device-tree binding for generic PM
domains to state that one or more PM domain is permitted for a device.

Signed-off-by: Jon Hunter <jonathanh@...dia.com>
---
 Documentation/devicetree/bindings/power/power_domain.txt | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/power/power_domain.txt b/Documentation/devicetree/bindings/power/power_domain.txt
index 025b5e7df61c..12131159b605 100644
--- a/Documentation/devicetree/bindings/power/power_domain.txt
+++ b/Documentation/devicetree/bindings/power/power_domain.txt
@@ -20,8 +20,9 @@ Required properties:
    as specified by device tree binding documentation of particular provider.
 
 Optional properties:
- - power-domains : A phandle and PM domain specifier as defined by bindings of
-                   the power controller specified by phandle.
+ - power-domains : An array of one or more PM domain specifiers (defined by the
+		   bindings of the PM domain provider) for each PM domain that
+		   is required by the device.
    Some power domains might be powered from another power domain (or have
    other hardware specific dependencies). For representing such dependency
    a standard PM domain consumer binding is used. When provided, all domains
-- 
2.1.4