From mboxrd@z Thu Jan 1 00:00:00 1970 From: Evan Green Subject: [PATCH v5 1/8] dt-bindings: ufs: Add #reset-cells for Qualcomm controllers Date: Thu, 21 Mar 2019 10:17:53 -0700 Message-ID: <20190321171800.104681-2-evgreen@chromium.org> References: <20190321171800.104681-1-evgreen@chromium.org> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <20190321171800.104681-1-evgreen@chromium.org> Sender: linux-kernel-owner@vger.kernel.org To: Kishon Vijay Abraham I Cc: Stephen Boyd , Marc Gonzalez , Can Guo , Vivek Gautam , Douglas Anderson , Asutosh Das , Evan Green , Rob Herring , devicetree@vger.kernel.org, liwei , linux-kernel@vger.kernel.org, Subhash Jadavani , "Martin K. Petersen" , Rob Herring , Mark Rutland List-Id: devicetree@vger.kernel.org Enable Qualcomm UFS controllers to expose the PHY reset via a reset controller. Signed-off-by: Evan Green Reviewed-by: Rob Herring Reviewed-by: Stephen Boyd --- 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