From mboxrd@z Thu Jan 1 00:00:00 1970 From: Al Cooper Subject: [PATCH V5 2/4] dt-bindings: Add Broadcom STB USB PHY binding document Date: Fri, 25 Aug 2017 13:51:33 -0400 Message-ID: <1503683495-11766-3-git-send-email-alcooperx@gmail.com> References: <1503683495-11766-1-git-send-email-alcooperx@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1503683495-11766-1-git-send-email-alcooperx@gmail.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: linux-kernel@vger.kernel.org Cc: Mark Rutland , devicetree@vger.kernel.org, Florian Fainelli , Greg Kroah-Hartman , Al Cooper , Kishon Vijay Abraham I , Rob Herring , bcm-kernel-feedback-list@broadcom.com, linux-arm-kernel@lists.infradead.org List-Id: devicetree@vger.kernel.org Add DT bindings document for Broadcom STB USB PHYs Acked-by: Rob Herring Signed-off-by: Al Cooper --- .../bindings/phy/brcm,brcmstb-usb-phy.txt | 43 ++++++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100644 Documentation/devicetree/bindings/phy/brcm,brcmstb-usb-phy.txt diff --git a/Documentation/devicetree/bindings/phy/brcm,brcmstb-usb-phy.txt b/Documentation/devicetree/bindings/phy/brcm,brcmstb-usb-phy.txt new file mode 100644 index 0000000..24a0d06 --- /dev/null +++ b/Documentation/devicetree/bindings/phy/brcm,brcmstb-usb-phy.txt @@ -0,0 +1,43 @@ +Broadcom STB USB PHY + +Required properties: + - compatible: brcm,brcmstb-usb-phy + - reg: two offset and length pairs. + The first pair specifies a manditory set of memory mapped + registers used for general control of the PHY. + The second pair specifies optional registers used by some of + the SoCs that support USB 3.x + - #phy-cells: Shall be 1 as it expects one argument for setting + the type of the PHY. Possible values are: + - PHY_TYPE_USB2 for USB1.1/2.0 PHY + - PHY_TYPE_USB3 for USB3.x PHY + +Optional Properties: +- clocks : clock phandles. +- clock-names: String, clock name. +- brcm,ipp: Boolean, Invert Port Power. + Possible values are: 0 (Don't invert), 1 (Invert) +- brcm,ioc: Boolean, Invert Over Current detection. + Possible values are: 0 (Don't invert), 1 (Invert) +NOTE: one or both of the following two properties must be set +- brcm,has-xhci: Boolean indicating the phy has an XHCI phy. +- brcm,has-eohci: Boolean indicating the phy has an EHCI/OHCI phy. +- dr_mode: String, PHY Device mode. + Possible values are: "host", "peripheral ", "drd" or "typec-pd" + If this property is not defined, the phy will default to "host" mode. + +Example: + +usbphy_0: usb-phy@f0470200 { + reg = <0xf0470200 0xb8>, + <0xf0471940 0x6c0>; + compatible = "brcm,brcmstb-usb-phy"; + #phy-cells = <1>; + dr_mode = "host" + brcm,ioc = <1>; + brcm,ipp = <1>; + brcm,has-xhci; + brcm,has-eohci; + clocks = <&usb20>, <&usb30>; + clock-names = "sw_usb", "sw_usb3"; +}; -- 1.9.0.138.g2de3478