Message ID | 1357637838-10500-1-git-send-email-gautam.vivek@samsung.com |
---|---|
State | Accepted |
Commit | 9a0c4f9b870da77b1768470bc37d12251e0a438e |
Headers | show |
On 08/01/13 18:37, Vivek Gautam wrote: > This patch enables Vbus required for USB 2.0 controller. > > Signed-off-by: Vivek Gautam <gautam.vivek@samsung.com> > Signed-off-by: Rajeshwari Shinde <rajeshwari.s@samsung.com> > --- > > Changes from v3: > - Rebased on top of u-boot-samsung/master. > > Changes from v2: > - Rebased on top of u-boot-usb/next > - Enclosed the function definition for board_usb_vbus_init() > inside "CONFIG_USB_EHCI_EXYNOS" > > Changes from v1: > - Using the old school method of setting up gpio instead > of using the pinmux method, since the required gpio line > here is board specific. > > board/samsung/smdk5250/smdk5250.c | 19 +++++++++++++++++++ > 1 files changed, 19 insertions(+), 0 deletions(-) > applied to u-boot-samsung. Thanks, Minkyu Kang.
diff --git a/board/samsung/smdk5250/smdk5250.c b/board/samsung/smdk5250/smdk5250.c index 73c3ec0..d80f75d 100644 --- a/board/samsung/smdk5250/smdk5250.c +++ b/board/samsung/smdk5250/smdk5250.c @@ -35,12 +35,31 @@ DECLARE_GLOBAL_DATA_PTR; +#ifdef CONFIG_USB_EHCI_EXYNOS +int board_usb_vbus_init(void) +{ + struct exynos5_gpio_part1 *gpio1 = (struct exynos5_gpio_part1 *) + samsung_get_base_gpio_part1(); + + /* Enable VBUS power switch */ + s5p_gpio_direction_output(&gpio1->x2, 6, 1); + + /* VBUS turn ON time */ + mdelay(3); + + return 0; +} +#endif + int board_init(void) { gd->bd->bi_boot_params = (PHYS_SDRAM_1 + 0x100UL); #ifdef CONFIG_EXYNOS_SPI spi_init(); #endif +#ifdef CONFIG_USB_EHCI_EXYNOS + board_usb_vbus_init(); +#endif return 0; }