arm: odroid: usb: add support for usb host including ethernet
This change adds support for enabling the USB host features of the board.
This includes the USB3503A hub and the SMC LAN9730 ethernet controller
as well.
Signed-off-by: Suriyan Ramasami <suriyan.r@gmail.com>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
diff --git a/board/samsung/odroid/odroid.c b/board/samsung/odroid/odroid.c
index 33003ee..f7396ab 100644
--- a/board/samsung/odroid/odroid.c
+++ b/board/samsung/odroid/odroid.c
@@ -462,9 +462,41 @@
.usb_phy_ctrl = EXYNOS4X12_USBPHY_CONTROL,
.usb_flags = PHY0_SLEEP,
};
+#endif
+
+#if defined(CONFIG_USB_GADGET) || defined(CONFIG_CMD_USB)
int board_usb_init(int index, enum usb_init_type init)
{
+#ifdef CONFIG_CMD_USB
+ struct pmic *p_pmic;
+
+ /* Set Ref freq 0 => 24MHz, 1 => 26MHz*/
+ /* Odroid Us have it at 24MHz, Odroid Xs at 26MHz */
+ if (gd->board_type == ODROID_TYPE_U3)
+ gpio_direction_output(EXYNOS4X12_GPIO_X30, 0);
+ else
+ gpio_direction_output(EXYNOS4X12_GPIO_X30, 1);
+
+ /* Disconnect, Reset, Connect */
+ gpio_direction_output(EXYNOS4X12_GPIO_X34, 0);
+ gpio_direction_output(EXYNOS4X12_GPIO_X35, 0);
+ gpio_direction_output(EXYNOS4X12_GPIO_X35, 1);
+ gpio_direction_output(EXYNOS4X12_GPIO_X34, 1);
+
+ /* Power off and on BUCK8 for LAN9730 */
+ debug("LAN9730 - Turning power buck 8 OFF and ON.\n");
+
+ p_pmic = pmic_get("MAX77686_PMIC");
+ if (p_pmic && !pmic_probe(p_pmic)) {
+ max77686_set_buck_mode(p_pmic, 8, OPMODE_OFF);
+ max77686_set_buck_voltage(p_pmic, 8, 750000);
+ max77686_set_buck_voltage(p_pmic, 8, 3300000);
+ max77686_set_buck_mode(p_pmic, 8, OPMODE_ON);
+ }
+
+#endif
+
debug("USB_udc_probe\n");
return s3c_udc_probe(&s5pc210_otg_data);
}