| Message ID | 1553873568-9177-3-git-send-email-stanley.chu@mediatek.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | scsi: dt-bindings: ufs: Remove "<name>-fixed-regulator" property and add VCC capability on MediaTek UFS driver | expand |
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>; };
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> --- Documentation/devicetree/bindings/ufs/ufs-mediatek.txt | 3 +++ 1 file changed, 3 insertions(+)