On 12/15/2015 04:20 AM, Chanwoo Choi wrote:
Maxim Integrated MAX3355E chip integrates a charge pump and comparators to^^ ^^enable a system with an integrated USB OTG dual-role transceiver to function as an USB OTG dual-role device. In addition to sensing/controlling Vbus,^^ ^^ ^^ ^^the chip also passes thru the ID signal from the USB OTG connector.^^On some Renesas boards, this signal is just fed into the SoC thru a GPIO^^ ^^pin -- there's no real OTG controller, only host and gadget USB controllers^^ ^^sharing the same USB bus; however, we'd like to allow host or gadget drivers^^to be loaded depending on the cable type, hence the need for the MAX3355^^extcon driver. The Vbus status signals are also wired to GPIOs (however, we aren't currently interested in them), the OFFVBUS# signal is controlled by^^ ^^the host controllers, there's also the SHDN# signal wired to a GPIO, it^^should be driven high for the normal operation.^^ As above '^' expression, you used the double space between words. You should fix it.
OK, since so many people seem to be offended by that, I'll fix it. Meanwhile, please comment on the patch itself.
Thanks, Chanwoo Choi
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