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authorMark Brown <broonie@linaro.org>2013-08-09 14:41:58 +0400
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-08-12 23:20:27 +0400
commit3f0d1c67fa20d524fdcb4a7dcda19ed76c59be44 (patch)
treef0d9cefc79b8c7033b39194332cfac68e4709358 /Documentation/devicetree/bindings/usb/usb3503.txt
parente5162d40b90e3e2e01aadcac9d4f151ecb9ee051 (diff)
downloadlinux-3f0d1c67fa20d524fdcb4a7dcda19ed76c59be44.tar.xz
usb: misc: usb3503: Support operation with no I2C control
Refactor so that register writes for configuration are only performed if the device has a regmap provided and also register as a platform driver. This allows the driver to be used to manage GPIO based control of the device. Signed-off-by: Mark Brown <broonie@linaro.org> Cc: devicetree@vger.kernel.org Reviewed-by: Dongjin Kim <tobetter@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'Documentation/devicetree/bindings/usb/usb3503.txt')
-rw-r--r--Documentation/devicetree/bindings/usb/usb3503.txt3
1 files changed, 2 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/usb/usb3503.txt b/Documentation/devicetree/bindings/usb/usb3503.txt
index 44a03f338424..a018da4a7ad7 100644
--- a/Documentation/devicetree/bindings/usb/usb3503.txt
+++ b/Documentation/devicetree/bindings/usb/usb3503.txt
@@ -2,9 +2,10 @@ SMSC USB3503 High-Speed Hub Controller
Required properties:
- compatible: Should be "smsc,usb3503" or "smsc,usb3503a".
-- reg: Specifies the i2c slave address, it should be 0x08.
Optional properties:
+- reg: Specifies the i2c slave address, it is required and should be 0x08
+ if I2C is used.
- connect-gpios: Should specify GPIO for connect.
- disabled-ports: Should specify the ports unused.
'1' or '2' or '3' are availe for this property to describe the port