Commit 8fb105f5 authored by Ian Molton's avatar Ian Molton
Browse files

PXA UDC - allow use of inverted GPIO for pullup 



Signed-off-by: default avatarIan Molton <spyro@f2s.com>
parent b3d354b8

drivers/usb/gadget/pxa25x_udc.c

+4 −2
Original line number Diff line number Diff line
@@ -152,9 +152,10 @@ static int is_vbus_present(void) 
static void pullup_off(void)

{

	struct pxa2xx_udc_mach_info		*mach = the_controller->mach;

	int off_level = mach->gpio_pullup_inverted;



	if (mach->gpio_pullup)

		gpio_set_value(mach->gpio_pullup, 0);

		gpio_set_value(mach->gpio_pullup, off_level);

	else if (mach->udc_command)

		mach->udc_command(PXA2XX_UDC_CMD_DISCONNECT);

}
@@ -162,9 +163,10 @@ static void pullup_off(void) 
static void pullup_on(void)

{

	struct pxa2xx_udc_mach_info		*mach = the_controller->mach;

	int on_level = !mach->gpio_pullup_inverted;



	if (mach->gpio_pullup)

		gpio_set_value(mach->gpio_pullup, 1);

		gpio_set_value(mach->gpio_pullup, on_level);

	else if (mach->udc_command)

		mach->udc_command(PXA2XX_UDC_CMD_CONNECT);

}

include/asm-arm/mach/udc_pxa2xx.h

+1 −0
Original line number Diff line number Diff line
@@ -23,6 +23,7 @@ struct pxa2xx_udc_mach_info { 
	 */

	bool	gpio_vbus_inverted;

	u16	gpio_vbus;			/* high == vbus present */

	bool	gpio_pullup_inverted;

	u16	gpio_pullup;			/* high == pullup activated */

};