[U-Boot] [PATCH] usb: dwc2_udc_otg: support 8-bit interface

[Steve Rae <srae@broadcom.com>]

Define CONFIG_USB_GADGET_DWC2_PHY_8_BIT to allow the
physical interface to be 8-bit (rather than 16-bit).

Signed-off-by: Steve Rae <srae@broadcom.com>
---

 drivers/usb/gadget/dwc2_udc_otg.c | 4 ++++
 include/configs/bcm28155_ap.h     | 1 +
 2 files changed, 5 insertions(+)

diff --git a/drivers/usb/gadget/dwc2_udc_otg.c b/drivers/usb/gadget/dwc2_udc_otg.c
index cb20b00..a95c8d5 100644
--- a/drivers/usb/gadget/dwc2_udc_otg.c
+++ b/drivers/usb/gadget/dwc2_udc_otg.c
@@ -415,7 +415,11 @@ static void reconfig_usbd(struct dwc2_udc *dev)
 		|0<<7		/* Ulpi DDR sel*/
 		|0<<6		/* 0: high speed utmi+, 1: full speed serial*/
 		|0<<4		/* 0: utmi+, 1:ulpi*/
+#ifdef CONFIG_USB_GADGET_DWC2_PHY_8_BIT
+		|0<<3		/* phy i/f  0:8bit, 1:16bit*/
+#else
 		|1<<3		/* phy i/f  0:8bit, 1:16bit*/
+#endif
 		|0x7<<0;	/* HS/FS Timeout**/
 
 	if (dev->pdata->usb_gusbcfg)
diff --git a/include/configs/bcm28155_ap.h b/include/configs/bcm28155_ap.h
index 889e5db..e04cfbe 100644
--- a/include/configs/bcm28155_ap.h
+++ b/include/configs/bcm28155_ap.h
@@ -134,6 +134,7 @@
 #define CONFIG_SYS_CACHELINE_SIZE	64
 #define CONFIG_FASTBOOT_BUF_SIZE	(CONFIG_SYS_SDRAM_SIZE - SZ_1M)
 #define CONFIG_FASTBOOT_BUF_ADDR	CONFIG_SYS_SDRAM_BASE
+#define CONFIG_USB_GADGET_DWC2_PHY_8_BIT
 #define CONFIG_USB_GADGET_BCM_UDC_OTG_PHY
 #define CONFIG_USBID_ADDR		0x34052c46
 
-- 
1.8.5