From 6a23c6533c880d557e786df81fa21b62168db6d9 Mon Sep 17 00:00:00 2001 From: Suriyan Ramasami Date: Wed, 29 Oct 2014 09:22:43 -0700 Subject: 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 Signed-off-by: Minkyu Kang --- board/samsung/odroid/odroid.c | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) (limited to 'board/samsung') 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 @@ struct s3c_plat_otg_data s5pc210_otg_data = { .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); } -- cgit v1.1