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| author | Ye Li <ye.li@nxp.com> | 2017-03-16 17:02:56 +0800 |
|---|---|---|
| committer | Ye Li <ye.li@nxp.com> | 2017-04-05 17:24:34 +0800 |
| commit | b4e01a67a0740c524e7522da7ace0488f86261db (patch) | |
| tree | d50134f6832d17678a58daf48c5e0eeb692ca2ac /board | |
| parent | 8382781a59fbae1d8ab797d64761136277e291d1 (diff) | |
| download | u-boot-imx-b4e01a67a0740c524e7522da7ace0488f86261db.zip u-boot-imx-b4e01a67a0740c524e7522da7ace0488f86261db.tar.gz u-boot-imx-b4e01a67a0740c524e7522da7ace0488f86261db.tar.bz2 | |
MLK-14445-6 mx7ulp_evk: Add USB OTG0 support
Porting codes to support USB OTG0 on the EVK board. Convert
to use DM USB driver.
Signed-off-by: Ye Li <ye.li@nxp.com>
Diffstat (limited to 'board')
| -rw-r--r-- | board/freescale/mx7ulp_evk/mx7ulp_evk.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/board/freescale/mx7ulp_evk/mx7ulp_evk.c b/board/freescale/mx7ulp_evk/mx7ulp_evk.c index d6c27db..afad505 100644 --- a/board/freescale/mx7ulp_evk/mx7ulp_evk.c +++ b/board/freescale/mx7ulp_evk/mx7ulp_evk.c @@ -9,11 +9,15 @@ #include <asm/arch/sys_proto.h> #include <asm/arch/mx7ulp-pins.h> #include <asm/arch/iomux.h> +#include <asm/gpio.h> +#include <usb.h> +#include <dm.h> DECLARE_GLOBAL_DATA_PTR; #define UART_PAD_CTRL (PAD_CTL_PUS_UP) #define QSPI_PAD_CTRL1 (PAD_CTL_PUS_UP | PAD_CTL_DSE) +#define OTG_ID_GPIO_PAD_CTRL (PAD_CTL_IBE_ENABLE) int dram_init(void) { @@ -63,6 +67,37 @@ int board_qspi_init(void) } #endif +#ifdef CONFIG_DM_USB +static iomux_cfg_t const usb_otg1_pads[] = { + MX7ULP_PAD_PTC8__PTC8 | MUX_PAD_CTRL(OTG_ID_GPIO_PAD_CTRL), /* gpio for OTG ID*/ +}; + +static void setup_usb(void) +{ + mx7ulp_iomux_setup_multiple_pads(usb_otg1_pads, + ARRAY_SIZE(usb_otg1_pads)); + + gpio_request(IMX_GPIO_NR(3, 8), "otg_id"); + gpio_direction_input(IMX_GPIO_NR(3, 8)); +} + +int board_ehci_usb_phy_mode(struct udevice *dev) +{ + int ret = 0; + + if (dev_get_addr(dev) == USBOTG0_RBASE) { + ret = gpio_get_value(IMX_GPIO_NR(3, 8)); + + if (ret) + return USB_INIT_DEVICE; + else + return USB_INIT_HOST; + } + + return USB_INIT_HOST; +} +#endif + int board_early_init_f(void) { setup_iomux_uart(); @@ -79,5 +114,9 @@ int board_init(void) board_qspi_init(); #endif +#ifdef CONFIG_DM_USB + setup_usb(); +#endif + return 0; } |