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| author | Stephen Warren <swarren@nvidia.com> | 2012-04-12 15:46:49 -0600 |
|---|---|---|
| committer | Stephen Warren <swarren@nvidia.com> | 2012-04-25 15:22:09 -0600 |
| commit | aa607ebf93a5fc26275a575781399df971dd1b91 (patch) | |
| tree | 93dcb6f1af5f6d7e64663a4ce9e45e889866309e /arch/arm/boot/dts/tegra-seaboard.dts | |
| parent | 60d148b9f838b718e4808061ee6d5833de77fd9c (diff) | |
| download | lwn-aa607ebf93a5fc26275a575781399df971dd1b91.tar.gz lwn-aa607ebf93a5fc26275a575781399df971dd1b91.zip | |
ARM: tegra: add USB ULPI PHY reset GPIO to device tree
ULPI PHYs have a reset signal, and different boards use a different GPIO
for this task. Add a property to device tree to represent this.
I'm not sure if adding this property to the EHCI controller node is
entirely correct; perhaps eventually we should have explicit separate
nodes for the various PHYs. However, we don't have that right now, so this
binding seems like a reasonable choice.
Cc: <devicetree-discuss@lists.ozlabs.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: <linux-usb@vger.kernel.org>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Diffstat (limited to 'arch/arm/boot/dts/tegra-seaboard.dts')
| -rw-r--r-- | arch/arm/boot/dts/tegra-seaboard.dts | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/tegra-seaboard.dts b/arch/arm/boot/dts/tegra-seaboard.dts index ec33116f5df9..ed0a2f5bf918 100644 --- a/arch/arm/boot/dts/tegra-seaboard.dts +++ b/arch/arm/boot/dts/tegra-seaboard.dts @@ -415,4 +415,8 @@ 0x00000000 0x00000000 0x00000000 0x00000000 >; }; }; + + usb@c5004000 { + nvidia,phy-reset-gpio = <&gpio 169 0>; /* gpio PV1 */ + }; }; |