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Commit 61e118dd authored by Enric Balletbo i Serra's avatar Enric Balletbo i Serra Committed by Tony Lindgren
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omap3: Add external VBUS power switch and overcurrent detect onIGEP v2 board 



GPIO for various devices are missing from the board initialization.
This patch adds support for the VBUS and over current gpios.  Without this
patch, input/outputs from these two sources are ignored.

Signed-off-by: default avatarEnric Balletbo i Serra <eballetbo@gmail.com>
Signed-off-by: default avatarTony Lindgren <tony@atomide.com>
parent e844b1da

arch/arm/mach-omap2/board-igep0020.c

+16 −0
Original line number Diff line number Diff line
@@ -275,6 +275,22 @@ static int igep2_twl_gpio_setup(struct device *dev, 
	igep2_vmmc1_supply.dev = mmc[0].dev;

	igep2_vmmc2_supply.dev = mmc[1].dev;



	/*

	 * REVISIT: need ehci-omap hooks for external VBUS

	 * power switch and overcurrent detect

	 */

	if ((gpio_request(gpio + 1, "GPIO_EHCI_NOC") < 0) ||

	    (gpio_direction_input(gpio + 1) < 0))

		pr_err("IGEP2: Could not obtain gpio for EHCI NOC");



	/*

	 * TWL4030_GPIO_MAX + 0 == ledA, GPIO_USBH_CPEN

	 * (out, active low)

	 */

	if ((gpio_request(gpio + TWL4030_GPIO_MAX, "GPIO_USBH_CPEN") < 0) ||

	    (gpio_direction_output(gpio + TWL4030_GPIO_MAX, 0) < 0))

		pr_err("IGEP2: Could not obtain gpio for USBH_CPEN");



	return 0;

};