[U-Boot] [PATCH v2 12/15] cgtqmx6eval: Add USB support

[Otavio Salvador]

Add USB support.

Signed-off-by: Otavio Salvador <otavio at ossystems.com.br>
---

Changes in v2:
- Use plan gpio API call (Marek)

 board/congatec/cgtqmx6eval/cgtqmx6eval.c | 44 ++++++++++++++++++++++++++++++++
 include/configs/cgtqmx6eval.h            | 15 +++++++++++
 2 files changed, 59 insertions(+)

diff --git a/board/congatec/cgtqmx6eval/cgtqmx6eval.c b/board/congatec/cgtqmx6eval/cgtqmx6eval.c
index 60e1e9a..812f7bb 100644
--- a/board/congatec/cgtqmx6eval/cgtqmx6eval.c
+++ b/board/congatec/cgtqmx6eval/cgtqmx6eval.c
@@ -151,6 +151,11 @@ static iomux_v3_cfg_t enet_pads_ar8035[] = {
 	MX6_PAD_RGMII_RX_CTL__RGMII_RX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL),
 };
 
+static iomux_v3_cfg_t const usb_otg_pads[] = {
+	MX6_PAD_EIM_D22__USB_OTG_PWR | MUX_PAD_CTRL(NO_PAD_CTRL),
+	MX6_PAD_ENET_RX_ER__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 = {
@@ -460,6 +465,45 @@ 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, 0);
+		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();
diff --git a/include/configs/cgtqmx6eval.h b/include/configs/cgtqmx6eval.h
index df22534..ce995a8 100644
--- a/include/configs/cgtqmx6eval.h
+++ b/include/configs/cgtqmx6eval.h
@@ -77,6 +77,21 @@
 #define CONFIG_POWER_PFUZE100
 #define CONFIG_POWER_PFUZE100_I2C_ADDR	0x08
 
+/* USB Configs */
+#define CONFIG_CMD_USB
+#define CONFIG_CMD_FAT
+#define CONFIG_USB_EHCI
+#define CONFIG_USB_EHCI_MX6
+#define CONFIG_USB_STORAGE
+#define CONFIG_EHCI_HCD_INIT_AFTER_RESET
+#define CONFIG_USB_HOST_ETHER
+#define CONFIG_USB_ETHER_ASIX
+#define CONFIG_MXC_USB_PORTSC	(PORT_PTS_UTMI | PORT_PTS_PTW)
+#define CONFIG_MXC_USB_FLAGS	0
+#define CONFIG_USB_MAX_CONTROLLER_COUNT 2 /* Enabled USB controller number */
+#define CONFIG_USB_KEYBOARD
+#define CONFIG_SYS_USB_EVENT_POLL_VIA_CONTROL_EP
+
 #define CONFIG_DEFAULT_FDT_FILE "imx6q-congatec.dtb"
 
 #define CONFIG_EXTRA_ENV_SETTINGS \
-- 
2.4.5