* Copyright (C) 2012 Samsung Electronics Co.Ltd
* Vivek Gautam <gautam.vivek@samsung.com>
*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
- * MA 02110-1301 USA
+ * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#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"
struct exynos_ehci {
struct exynos_usb_phy *usb;
struct ehci_hccr *hcd;
+ struct fdt_gpio_state vbus_gpio;
};
static struct exynos_ehci exynos;
+#ifdef CONFIG_OF_CONTROL
static int exynos_usb_parse_dt(const void *blob, struct exynos_ehci *exynos)
{
fdt_addr_t addr;
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);
return 0;
}
+#endif
/* Setup the EHCI host controller. */
static void setup_usb_phy(struct exynos_usb_phy *usb)
* Create the appropriate control structures to manage
* a new EHCI host controller.
*/
-int ehci_hcd_init(int index, struct ehci_hccr **hccr, struct ehci_hcor **hcor)
+int ehci_hcd_init(int index, enum usb_init_type init,
+ struct ehci_hccr **hccr, struct ehci_hcor **hcor)
{
struct exynos_ehci *ctx = &exynos;
+#ifdef CONFIG_OF_CONTROL
if (exynos_usb_parse_dt(gd->fdt_blob, ctx)) {
debug("Unable to parse device tree for ehci-exynos\n");
return -ENODEV;
}
+#else
+ ctx->usb = (struct exynos_usb_phy *)samsung_get_base_usb_phy();
+ 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);