Enable Qualcomm UFS controllers to expose the PHY reset via a reset
controller.

Signed-off-by: Evan Green <[email protected]>
Reviewed-by: Rob Herring <[email protected]>
Reviewed-by: Stephen Boyd <[email protected]>

---

Changes in v5: None
Changes in v4: None
Changes in v3: None
Changes in v2: None

 Documentation/devicetree/bindings/ufs/ufshcd-pltfrm.txt | 3 +++
 1 file changed, 3 insertions(+)

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>;
        };
-- 
2.20.1

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