From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yendapally Reddy Dhananjaya Reddy Subject: [PATCH 2/6] dt-bindings: phy: Add documentation for NSP USB3 PHY Date: Wed, 9 Nov 2016 04:33:10 -0500 Message-ID: <1478683994-12008-3-git-send-email-yendapally.reddy@broadcom.com> References: <1478683994-12008-1-git-send-email-yendapally.reddy@broadcom.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1478683994-12008-1-git-send-email-yendapally.reddy@broadcom.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: Rob Herring , Mark Rutland , Russell King , Ray Jui , Scott Branden , Jon Mason , Florian Fainelli , Kishon Vijay Abraham I Cc: devicetree@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Yendapally Reddy Dhananjaya Reddy , bcm-kernel-feedback-list@broadcom.com, linux-arm-kernel@lists.infradead.org List-Id: devicetree@vger.kernel.org Add documentation for USB3 PHY available in Northstar plus SoC Signed-off-by: Yendapally Reddy Dhananjaya Reddy --- .../devicetree/bindings/phy/brcm,nsp-usb3-phy.txt | 39 ++++++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 Documentation/devicetree/bindings/phy/brcm,nsp-usb3-phy.txt diff --git a/Documentation/devicetree/bindings/phy/brcm,nsp-usb3-phy.txt b/Documentation/devicetree/bindings/phy/brcm,nsp-usb3-phy.txt new file mode 100644 index 0000000..30cf4b9 --- /dev/null +++ b/Documentation/devicetree/bindings/phy/brcm,nsp-usb3-phy.txt @@ -0,0 +1,39 @@ +Broadcom USB3 phy binding northstar plus SoC +This is a child bus node of "brcm,mdio-mux-nsp" node. + +Required mdio bus properties: +- reg: MDIO Bus number for the MDIO interface +- #address-cells: must be 1 +- #size-cells: must be 0 + +Required PHY properties: +- compatible: should be "brcm,nsp-usb3-phy" +- reg: Phy address in the MDIO interface +- usb3-ctrl-syscon: handler of syscon node defining physical address + of usb3 control register. +- #phy-cells: must be 0 + +Required usb3 control properties: +- compatible: should be "brcm,nsp-usb3-ctrl" +- reg: offset and length of the control registers + +Example: + + mdio@0 { + reg = <0x0>; + #address-cells = <1>; + #size-cells = <0>; + + usb3_phy: usb3-phy@10 { + compatible = "brcm,nsp-usb3-phy"; + reg = <0x10>; + usb3-ctrl-syscon = <&usb3_ctrl>; + #phy-cells = <0>; + status = "disabled"; + }; + } + + usb3_ctrl: syscon@104408 { + compatible = "brcm,nsp-usb3-ctrl", "syscon"; + reg = <0x104408 0x3fc>; + }; -- 2.1.0