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authorRaviv Shvili <rshvili@codeaurora.org>2014-09-25 14:32:24 +0200
committerChristoph Hellwig <hch@lst.de>2014-10-01 13:11:20 +0200
commit6a771a656041f404fae143e5d753d37f5c0688e7 (patch)
tree13596a256da37823e27f83998c5698e0cbaf0c87 /Documentation
parentufs: Add clock initialization support (diff)
downloadlinux-6a771a656041f404fae143e5d753d37f5c0688e7.tar.xz
linux-6a771a656041f404fae143e5d753d37f5c0688e7.zip
ufs: add voting support for host controller power
Add the support for voting of the regulator powering the host controller logic. Signed-off-by: Raviv Shvili <rshvili@codeaurora.org> Signed-off-by: Subhash Jadavani <subhashj@codeaurora.org> Signed-off-by: Dolev Raviv <draviv@codeaurora.org> Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/devicetree/bindings/ufs/ufshcd-pltfrm.txt4
1 files changed, 4 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/ufs/ufshcd-pltfrm.txt b/Documentation/devicetree/bindings/ufs/ufshcd-pltfrm.txt
index b0f791a8b28d..fb1234e0532c 100644
--- a/Documentation/devicetree/bindings/ufs/ufshcd-pltfrm.txt
+++ b/Documentation/devicetree/bindings/ufs/ufshcd-pltfrm.txt
@@ -9,6 +9,7 @@ Required properties:
- reg : <registers mapping>
Optional properties:
+- vdd-hba-supply : phandle to UFS host controller supply regulator node
- vcc-supply : phandle to VCC supply regulator node
- vccq-supply : phandle to VCCQ supply regulator node
- vccq2-supply : phandle to VCCQ2 supply regulator node
@@ -20,6 +21,7 @@ Optional properties:
- vcc-max-microamp : specifies max. load that can be drawn from vcc supply
- vccq-max-microamp : specifies max. load that can be drawn from vccq supply
- vccq2-max-microamp : specifies max. load that can be drawn from vccq2 supply
+- <name>-fixed-regulator : boolean property specifying that <name>-supply is a fixed regulator
- clocks : List of phandle and clock specifier pairs
- clock-names : List of clock input name strings sorted in the same
@@ -39,6 +41,8 @@ Example:
reg = <0xfc598000 0x800>;
interrupts = <0 28 0>;
+ vdd-hba-supply = <&xxx_reg0>;
+ vdd-hba-fixed-regulator;
vcc-supply = <&xxx_reg1>;
vcc-supply-1p8;
vccq-supply = <&xxx_reg2>;