[U-Boot] [PATCH v3 4/4] pico-imx7d: Add USB Host support
Otavio Salvador
otavio at ossystems.com.br
Fri Sep 28 14:22:39 UTC 2018
From: Fabio Estevam <festevam at gmail.com>
USB OTG2 port is connected to the USB host connector.
Add support for it.
Signed-off-by: Fabio Estevam <festevam at gmail.com>
Signed-off-by: Otavio Salvador <otavio at ossystems.com.br>
---
Changes in v3:
- new patch
Changes in v2: None
board/technexion/pico-imx7d/pico-imx7d.c | 29 +++++++++++++++++++++++-
1 file changed, 28 insertions(+), 1 deletion(-)
diff --git a/board/technexion/pico-imx7d/pico-imx7d.c b/board/technexion/pico-imx7d/pico-imx7d.c
index 0767d0462f..53e14693a5 100644
--- a/board/technexion/pico-imx7d/pico-imx7d.c
+++ b/board/technexion/pico-imx7d/pico-imx7d.c
@@ -282,7 +282,34 @@ int checkboard(void)
return 0;
}
+static iomux_v3_cfg_t const usb_otg2_pads[] = {
+ MX7D_PAD_UART3_CTS_B__USB_OTG2_PWR | MUX_PAD_CTRL(NO_PAD_CTRL),
+};
+
+int board_ehci_hcd_init(int port)
+{
+ switch (port) {
+ case 0:
+ break;
+ case 1:
+ imx_iomux_v3_setup_multiple_pads(usb_otg2_pads,
+ ARRAY_SIZE(usb_otg2_pads));
+ break;
+ default:
+ return -EINVAL;
+ }
+ return 0;
+}
+
int board_usb_phy_mode(int port)
{
- return USB_INIT_DEVICE;
+ switch (port) {
+ case 0:
+ return USB_INIT_DEVICE;
+ case 1:
+ return USB_INIT_HOST;
+ default:
+ return -EINVAL;
+ }
+ return 0;
}
--
2.19.0
More information about the U-Boot
mailing list