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-rw-r--r--board/samsung/smdk5250/exynos5-dt.c19
-rw-r--r--drivers/usb/host/ehci-exynos.c11
-rw-r--r--drivers/usb/host/xhci-exynos5.c11
3 files changed, 22 insertions, 19 deletions
diff --git a/board/samsung/smdk5250/exynos5-dt.c b/board/samsung/smdk5250/exynos5-dt.c
index bb4a82f..6bcc883 100644
--- a/board/samsung/smdk5250/exynos5-dt.c
+++ b/board/samsung/smdk5250/exynos5-dt.c
@@ -61,22 +61,6 @@ struct local_info {
static struct local_info local;
-#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
-
#ifdef CONFIG_SOUND_MAX98095
static void board_enable_audio_codec(void)
{
@@ -122,9 +106,6 @@ int board_init(void)
if (board_init_cros_ec_devices(gd->fdt_blob))
return -1;
-#ifdef CONFIG_USB_EHCI_EXYNOS
- board_usb_vbus_init();
-#endif
#ifdef CONFIG_SOUND_MAX98095
board_enable_audio_codec();
#endif
diff --git a/drivers/usb/host/ehci-exynos.c b/drivers/usb/host/ehci-exynos.c
index 155677e..15926c4 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;
diff --git a/drivers/usb/host/xhci-exynos5.c b/drivers/usb/host/xhci-exynos5.c
index eb0ef6c..1146d10 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");