diff options
Diffstat (limited to 'drivers/usb/host/ehci-exynos.c')
| -rw-r--r-- | drivers/usb/host/ehci-exynos.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/usb/host/ehci-exynos.c b/drivers/usb/host/ehci-exynos.c index 155677e0d9..15926c4336 100644 --- a/drivers/usb/host/ehci-exynos.c +++ b/drivers/usb/host/ehci-exynos.c @@ -16,6 +16,7 @@ #include <asm/arch/ehci.h> #include <asm/arch/system.h> #include <asm/arch/power.h> +#include <asm/gpio.h> #include <asm-generic/errno.h> #include <linux/compat.h> #include "ehci.h" @@ -30,6 +31,7 @@ DECLARE_GLOBAL_DATA_PTR; struct exynos_ehci { struct exynos_usb_phy *usb; struct ehci_hccr *hcd; + struct fdt_gpio_state vbus_gpio; }; static struct exynos_ehci exynos; @@ -58,6 +60,9 @@ static int exynos_usb_parse_dt(const void *blob, struct exynos_ehci *exynos) exynos->hcd = (struct ehci_hccr *)addr; + /* Vbus gpio */ + fdtdec_decode_gpio(blob, node, "samsung,vbus-gpio", &exynos->vbus_gpio); + depth = 0; node = fdtdec_next_compatible_subnode(blob, node, COMPAT_SAMSUNG_EXYNOS_USB_PHY, &depth); @@ -150,6 +155,12 @@ int ehci_hcd_init(int index, struct ehci_hccr **hccr, struct ehci_hcor **hcor) ctx->hcd = (struct ehci_hccr *)samsung_get_base_usb_ehci(); #endif +#ifdef CONFIG_OF_CONTROL + /* setup the Vbus gpio here */ + if (!fdtdec_setup_gpio(&ctx->vbus_gpio)) + gpio_direction_output(ctx->vbus_gpio.gpio, 1); +#endif + setup_usb_phy(ctx->usb); *hccr = ctx->hcd; |