From: Stanley Chu Date: Fri, 29 Mar 2019 15:32:48 +0000 (+0800) Subject: scsi: dt-bindings: ufs: Add VCC capability on MediaTek UFS driver X-Git-Tag: Ubuntu-5.4-5.4.0-11.14~2963^2~126 X-Git-Url: https://git.proxmox.com/?a=commitdiff_plain;h=c9d61a5aa39025caee2971dac7f471fbe761cb27;p=mirror_ubuntu-focal-kernel.git 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 Signed-off-by: Martin K. Petersen --- 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>; };