From: Stefan Agner stefan.agner@toradex.com
Implement board level USB PHY mode callback. On USB OTG Port 1 the Colibri standard foresees GPIO USBC_DET to decide whether the port should run in Host or Device mode.
Signed-off-by: Stefan Agner stefan.agner@toradex.com ---
board/toradex/colibri_imx7/colibri_imx7.c | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+)
diff --git a/board/toradex/colibri_imx7/colibri_imx7.c b/board/toradex/colibri_imx7/colibri_imx7.c index e1340c323b..c03bde168a 100644 --- a/board/toradex/colibri_imx7/colibri_imx7.c +++ b/board/toradex/colibri_imx7/colibri_imx7.c @@ -23,6 +23,7 @@ #include <netdev.h> #include <power/pmic.h> #include <power/rn5t567_pmic.h> +#include <usb.h> #include <usb/ehci-ci.h> #include "../common/tdx-common.h"
@@ -46,6 +47,8 @@ DECLARE_GLOBAL_DATA_PTR;
#define NAND_PAD_READY0_CTRL (PAD_CTL_DSE_3P3V_49OHM | PAD_CTL_PUS_PU5KOHM)
+#define USB_CDET_GPIO IMX_GPIO_NR(7, 14) + int dram_init(void) { gd->ram_size = get_ram_size((void *)PHYS_SDRAM, PHYS_SDRAM_SIZE); @@ -71,6 +74,12 @@ static iomux_v3_cfg_t const usdhc1_pads[] = { MX7D_PAD_GPIO1_IO00__GPIO1_IO0 | MUX_PAD_CTRL(NO_PAD_CTRL), };
+#ifdef CONFIG_USB_EHCI_MX7 +static iomux_v3_cfg_t const usb_cdet_pads[] = { + MX7D_PAD_ENET1_CRS__GPIO7_IO14 | MUX_PAD_CTRL(NO_PAD_CTRL), +}; +#endif + #ifdef CONFIG_NAND_MXS static iomux_v3_cfg_t const gpmi_pads[] = { MX7D_PAD_SD3_DATA0__NAND_DATA00 | MUX_PAD_CTRL(NAND_PAD_CTRL), @@ -319,6 +328,11 @@ int board_init(void) setup_lcd(); #endif
+#ifdef CONFIG_USB_EHCI_MX7 + imx_iomux_v3_setup_multiple_pads(usb_cdet_pads, ARRAY_SIZE(usb_cdet_pads)); + gpio_request(USB_CDET_GPIO, "usb-cdet-gpio"); +#endif + return 0; }
@@ -417,4 +431,18 @@ int board_ehci_hcd_init(int port) } return 0; } + +int board_usb_phy_mode(int port) +{ + switch (port) { + case 0: + if (gpio_get_value(USB_CDET_GPIO)) + return USB_INIT_DEVICE; + else + return USB_INIT_HOST; + case 1: + default: + return USB_INIT_HOST; + } +} #endif