diff options
| author | Evan Green <evgreen@chromium.org> | 2019-03-21 10:17:53 -0700 |
|---|---|---|
| committer | Kishon Vijay Abraham I <kishon@ti.com> | 2019-04-17 14:12:53 +0530 |
| commit | 8de4acd397ab96bf3487c6a765fd2b76e2863909 (patch) | |
| tree | 1c059565880ea2162259b4c61398251f5fa57e9f /Documentation | |
| parent | 36077e16c050d1b063cdfec8c1d38d51d112f86d (diff) | |
dt-bindings: ufs: Add #reset-cells for Qualcomm controllers
Enable Qualcomm UFS controllers to expose the PHY reset via a reset
controller.
Signed-off-by: Evan Green <evgreen@chromium.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/ufs/ufshcd-pltfrm.txt | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/ufs/ufshcd-pltfrm.txt b/Documentation/devicetree/bindings/ufs/ufshcd-pltfrm.txt index 5111e9130bc3..f647c09bc62a 100644 --- a/Documentation/devicetree/bindings/ufs/ufshcd-pltfrm.txt +++ b/Documentation/devicetree/bindings/ufs/ufshcd-pltfrm.txt @@ -50,6 +50,8 @@ Optional properties: -lanes-per-direction : number of lanes available per direction - either 1 or 2. Note that it is assume same number of lanes is used both directions at once. If not specified, default is 2 lanes per direction. +- #reset-cells : Must be <1> for Qualcomm UFS controllers that expose + PHY reset from the UFS controller. - resets : reset node register - reset-names : describe reset node register, the "rst" corresponds to reset the whole UFS IP. @@ -79,4 +81,5 @@ Example: reset-names = "rst"; phys = <&ufsphy1>; phy-names = "ufsphy"; + #reset-cells = <1>; }; |