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omap3: Add external VBUS power switch and overcurrent detect onIGEP v2 board

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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: Enric Balletbo i Serra <eballetbo@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Enric Balletbo i Serra 2010-10-08 10:22:19 -07:00 committed by Tony Lindgren
parent e844b1da87
commit 61e118dd77
1 changed files with 16 additions and 0 deletions
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16
arch/arm/mach-omap2/board-igep0020.c
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@ -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;
};