From mboxrd@z Thu Jan 1 00:00:00 1970 From: w-kwok2@ti.com (WingMan Kwok) Date: Wed, 4 Dec 2013 15:10:09 -0500 Subject: [PATCH v2 3/5] ARM: dts: keystone: Add usb phy devicetree bindings In-Reply-To: <1386187811-9596-1-git-send-email-w-kwok2@ti.com> References: <1386187811-9596-1-git-send-email-w-kwok2@ti.com> Message-ID: <1386187811-9596-4-git-send-email-w-kwok2@ti.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Added device tree support for TI's Keystone USB PHY driver and updated the Documentation with device tree binding information. Cc: Santosh Shilimkar Signed-off-by: WingMan Kwok --- .../devicetree/bindings/usb/keystone-phy.txt | 19 +++++++++++++++++++ arch/arm/boot/dts/keystone.dtsi | 7 +++++++ 2 files changed, 26 insertions(+) create mode 100644 Documentation/devicetree/bindings/usb/keystone-phy.txt diff --git a/Documentation/devicetree/bindings/usb/keystone-phy.txt b/Documentation/devicetree/bindings/usb/keystone-phy.txt new file mode 100644 index 0000000..300830d --- /dev/null +++ b/Documentation/devicetree/bindings/usb/keystone-phy.txt @@ -0,0 +1,19 @@ +TI Keystone USB PHY + +Required properties: + - compatible: should be "ti,keystone-usbphy". + - #address-cells, #size-cells : should be '1' if the device has sub-nodes + with 'reg' property. + - reg : Address and length of the usb phy control register set. + +The main purpose of this PHY driver is to enable the USB PHY reference clock +gate on the Keystone SOC for both the USB2 and USB3 PHY. Otherwise it is just +an NOP PHY driver. Hence this node is referenced as both the usb2 and usb3 +phy node in the USB Glue layer driver node. + +usb_phy: usb_phy at 2620738 { + compatible = "ti,keystone-usbphy"; + #address-cells = <1>; + #size-cells = <1>; + reg = <0x2620738 32>; +}; diff --git a/arch/arm/boot/dts/keystone.dtsi b/arch/arm/boot/dts/keystone.dtsi index f6d6d9e..d497d9e 100644 --- a/arch/arm/boot/dts/keystone.dtsi +++ b/arch/arm/boot/dts/keystone.dtsi @@ -181,5 +181,12 @@ interrupts = ; clocks = <&clkspi>; }; + + usb_phy: usb_phy at 2620738 { + compatible = "ti,keystone-usbphy"; + #address-cells = <1>; + #size-cells = <1>; + reg = <0x2620738 32>; + }; }; }; -- 1.7.9.5