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authorOtavio Salvador <otavio@ossystems.com.br>2015-07-23 11:02:29 -0300
committerStefano Babic <sbabic@denx.de>2015-07-26 12:29:53 +0200
commit95246ac7094cd511f02f98d403c965625ea81db4 (patch)
tree16d028b1c2ac7d3dcdff56ff1650046551fcd51b /board
parent4c9929d63a51596db51c77620390b7b85feb8ecd (diff)
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cgtqmx6eval: Add USB support
Add USB support. Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
Diffstat (limited to 'board')
-rw-r--r--board/congatec/cgtqmx6eval/cgtqmx6eval.c44
1 files changed, 44 insertions, 0 deletions
diff --git a/board/congatec/cgtqmx6eval/cgtqmx6eval.c b/board/congatec/cgtqmx6eval/cgtqmx6eval.c
index b0ca69b..3987b74 100644
--- a/board/congatec/cgtqmx6eval/cgtqmx6eval.c
+++ b/board/congatec/cgtqmx6eval/cgtqmx6eval.c
@@ -88,6 +88,11 @@ static iomux_v3_cfg_t const usdhc4_pads[] = {
MX6_PAD_NANDF_D6__GPIO2_IO06 | MUX_PAD_CTRL(NO_PAD_CTRL), /* CD */
};
+static iomux_v3_cfg_t const usb_otg_pads[] = {
+ MX6_PAD_EIM_D22__USB_OTG_PWR | MUX_PAD_CTRL(NO_PAD_CTRL),
+ MX6_PAD_GPIO_1__USB_OTG_ID | MUX_PAD_CTRL(NO_PAD_CTRL),
+};
+
#define PC MUX_PAD_CTRL(I2C_PAD_CTRL)
struct i2c_pads_info i2c_pad_info1 = {
.scl = {
@@ -219,6 +224,45 @@ int board_mmc_init(bd_t *bis)
}
#endif
+int board_ehci_hcd_init(int port)
+{
+ switch (port) {
+ case 0:
+ imx_iomux_v3_setup_multiple_pads(usb_otg_pads,
+ ARRAY_SIZE(usb_otg_pads));
+ /*
+ * set daisy chain for otg_pin_id on 6q.
+ * for 6dl, this bit is reserved
+ */
+ imx_iomux_set_gpr_register(1, 13, 1, 1);
+ break;
+ case 1:
+ /* nothing to do */
+ break;
+ default:
+ printf("Invalid USB port: %d\n", port);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+int board_ehci_power(int port, int on)
+{
+ switch (port) {
+ case 0:
+ break;
+ case 1:
+ gpio_direction_output(IMX_GPIO_NR(5, 5), on);
+ break;
+ default:
+ printf("Invalid USB port: %d\n", port);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
int board_early_init_f(void)
{
setup_iomux_uart();