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| author | Stanley Chu <stanley.chu@mediatek.com> | 2019-03-29 18:32:48 +0300 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2019-04-04 06:45:59 +0300 |
| commit | c9d61a5aa39025caee2971dac7f471fbe761cb27 (patch) | |
| tree | 7ac9d300ecdbd1ead3429b3a550b3eac86512d73 | |
| parent | 55dc9b3c3156f469d1de209ea03afafeaf6fca08 (diff) | |
| download | linux-c9d61a5aa39025caee2971dac7f471fbe761cb27.tar.xz | |
scsi: dt-bindings: ufs: Add VCC capability on MediaTek UFS driver
Add VCC supply for ufs-mediatek driver to provide power-saving operation
during low-power modes. For example VCC can be turned-off during system
suspend and turned-on after system is resumed.
Signed-off-by: Stanley Chu <stanley.chu@mediatek.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
| -rw-r--r-- | Documentation/devicetree/bindings/ufs/ufs-mediatek.txt | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/ufs/ufs-mediatek.txt b/Documentation/devicetree/bindings/ufs/ufs-mediatek.txt index e25c007b95d7..72aab8547308 100644 --- a/Documentation/devicetree/bindings/ufs/ufs-mediatek.txt +++ b/Documentation/devicetree/bindings/ufs/ufs-mediatek.txt @@ -21,6 +21,7 @@ Required properties for UFS nodes: defined or a value in the array is "0" then it is assumed that the frequency is set by the parent clock or a fixed rate clock source. +- vcc-supply : phandle to VCC supply regulator node. Example: @@ -37,4 +38,6 @@ Example: clocks = <&infracfg_ao INFRACFG_AO_UFS_CG>; clock-names = "ufs"; freq-table-hz = <0 0>; + + vcc-supply = <&mt_pmic_vemc_ldo_reg>; }; |