diff options
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/mach-omap2/board-omap3evm.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/board-omap3evm.c b/arch/arm/mach-omap2/board-omap3evm.c index 1bfbe42bbedd..0fd4ae2fbb20 100644 --- a/arch/arm/mach-omap2/board-omap3evm.c +++ b/arch/arm/mach-omap2/board-omap3evm.c @@ -360,6 +360,17 @@ static int omap3evm_twl_gpio_setup(struct device *dev, platform_device_register(&leds_gpio); + /* Enable VBUS switch by setting TWL4030.GPIO2DIR as output + * for starting USB tranceiver + */ + if (get_omap3_evm_rev() >= OMAP3EVM_BOARD_GEN_2) { + u8 val; + + twl_i2c_read_u8(TWL4030_MODULE_GPIO, &val, REG_GPIODATADIR1); + val |= 0x04; /* TWL4030.GPIO2DIR BIT at GPIODATADIR1(0x9B) */ + twl_i2c_write_u8(TWL4030_MODULE_GPIO, val, REG_GPIODATADIR1); + } + return 0; } |