forked from Minki/linux
3f0d1c67fa
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>
29 lines
936 B
Plaintext
29 lines
936 B
Plaintext
SMSC USB3503 High-Speed Hub Controller
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Required properties:
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- compatible: Should be "smsc,usb3503" or "smsc,usb3503a".
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Optional properties:
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- reg: Specifies the i2c slave address, it is required and should be 0x08
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if I2C is used.
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- connect-gpios: Should specify GPIO for connect.
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- disabled-ports: Should specify the ports unused.
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'1' or '2' or '3' are availe for this property to describe the port
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number. 1~3 property values are possible to be desribed.
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Do not describe this property if all ports have to be enabled.
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- intn-gpios: Should specify GPIO for interrupt.
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- reset-gpios: Should specify GPIO for reset.
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- initial-mode: Should specify initial mode.
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(1 for HUB mode, 2 for STANDBY mode)
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Examples:
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usb3503@08 {
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compatible = "smsc,usb3503";
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reg = <0x08>;
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connect-gpios = <&gpx3 0 1>;
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disabled-ports = <2 3>;
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intn-gpios = <&gpx3 4 1>;
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reset-gpios = <&gpx3 5 1>;
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initial-mode = <1>;
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};
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