From mboxrd@z Thu Jan 1 00:00:00 1970 From: balbi@ti.com (Felipe Balbi) Date: Fri, 6 Dec 2013 14:30:03 -0600 Subject: [PATCH v2 3/5] ARM: dts: keystone: Add usb phy devicetree bindings In-Reply-To: <1386187811-9596-4-git-send-email-w-kwok2@ti.com> References: <1386187811-9596-1-git-send-email-w-kwok2@ti.com> <1386187811-9596-4-git-send-email-w-kwok2@ti.com> Message-ID: <20131206203003.GI21086@saruman.home> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Wed, Dec 04, 2013 at 03:10:09PM -0500, WingMan Kwok wrote: > 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>; should this one have status = "disabled"; and let board dts enable the PHY ? -- balbi -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 836 bytes Desc: Digital signature URL: