diff options
Diffstat (limited to 'drivers/usb/host/xhci-exynos5.c')
| -rw-r--r-- | drivers/usb/host/xhci-exynos5.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/usb/host/xhci-exynos5.c b/drivers/usb/host/xhci-exynos5.c index eb0ef6c57d..1146d101de 100644 --- a/drivers/usb/host/xhci-exynos5.c +++ b/drivers/usb/host/xhci-exynos5.c @@ -22,6 +22,7 @@ #include <asm/arch/cpu.h> #include <asm/arch/power.h> #include <asm/arch/xhci-exynos.h> +#include <asm/gpio.h> #include <asm-generic/errno.h> #include <linux/compat.h> #include <linux/usb/dwc3.h> @@ -39,6 +40,7 @@ struct exynos_xhci { struct exynos_usb3_phy *usb3_phy; struct xhci_hccr *hcd; struct dwc3 *dwc3_reg; + struct fdt_gpio_state vbus_gpio; }; static struct exynos_xhci exynos; @@ -66,6 +68,9 @@ static int exynos_usb3_parse_dt(const void *blob, struct exynos_xhci *exynos) } exynos->hcd = (struct xhci_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_EXYNOS5_USB3_PHY, &depth); @@ -291,6 +296,12 @@ int xhci_hcd_init(int index, struct xhci_hccr **hccr, struct xhci_hcor **hcor) ctx->dwc3_reg = (struct dwc3 *)((char *)(ctx->hcd) + DWC3_REG_OFFSET); +#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 + ret = exynos_xhci_core_init(ctx); if (ret) { puts("XHCI: failed to initialize controller\n"); |