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authorAbhimanyu Kapur <abhimany@codeaurora.org>2013-07-31 02:05:28 +0200
committerAnton Vorontsov <anton@enomsg.org>2013-08-09 20:47:53 +0200
commit78be3176c4335b8ff3d9625ed3fc571e7d2ba8f4 (patch)
tree08a71d66ac0069147b18f76e3265f7b9b8bbbc84 /Documentation
parentMAINTAINERS: drivers/power: add entry for SmartReflex AVS drivers (diff)
downloadlinux-78be3176c4335b8ff3d9625ed3fc571e7d2ba8f4.tar.xz
linux-78be3176c4335b8ff3d9625ed3fc571e7d2ba8f4.zip
power: reset: Add msm restart support
Add support for restart and poweroff functionality present on MSM chipsets with the MPM2 ps-hold hardware. Signed-off-by: Abhimanyu Kapur <abhimany@codeaurora.org> Tested-by: Ivan T. Ivanov <iivanov@mm-sol.com> Reviewed-by: Stephen Boyd <sboyd@codeaurora.org> Signed-off-by: Anton Vorontsov <anton@enomsg.org>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/devicetree/bindings/power_supply/msm-poweroff.txt17
1 files changed, 17 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/power_supply/msm-poweroff.txt b/Documentation/devicetree/bindings/power_supply/msm-poweroff.txt
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+++ b/Documentation/devicetree/bindings/power_supply/msm-poweroff.txt
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+MSM Restart Driver
+
+A power supply hold (ps-hold) bit is set to power the msm chipsets.
+Clearing that bit allows us to restart/poweroff. The difference
+between poweroff and restart is determined by unique power manager IC
+settings.
+
+Required Properties:
+-compatible: "qcom,pshold"
+-reg: Specifies the physical address of the ps-hold register
+
+Example:
+
+ restart@fc4ab000 {
+ compatible = "qcom,pshold";
+ reg = <0xfc4ab000 0x4>;
+ };