From a1b3f0ccb92ce7ad58fe4d33d6a1d4e646eb6d6e Mon Sep 17 00:00:00 2001
From: lyz <lyz@rock-chips.com>
Date: Mon, 23 Mar 2015 16:48:19 +0800
Subject: [PATCH] rk3368: usb: adjust usb phy parameter
---
drivers/usb/dwc_otg_310/usbdev_rk3368.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/usb/dwc_otg_310/usbdev_rk3368.c b/drivers/usb/dwc_otg_310/usbdev_rk3368.c
index c7521a9cf9c6..8a316b31382a 100644
--- a/drivers/usb/dwc_otg_310/usbdev_rk3368.c
+++ b/drivers/usb/dwc_otg_310/usbdev_rk3368.c
@@ -22,6 +22,9 @@ static void usb20otg_hw_init(void)
/* Turn off differential receiver in suspend mode */
uoc_write(UOC_HIWORD_UPDATE(0, 1, 2), 0x798);
+ /* Set disconnect detection trigger point to 600mv */
+ uoc_write(UOC_HIWORD_UPDATE(0, 0xf, 11), 0x79c);
+
/* other haredware init,include:
* DRV_VBUS GPIO init */
if (gpio_is_valid(control_usb->otg_gpios->gpio))
@@ -31,10 +34,9 @@ static void usb20otg_hw_init(void)
static void usb20otg_phy_suspend(void *pdata, int suspend)
{
struct dwc_otg_platform_data *usbpdata = pdata;
-
if (suspend) {
/* enable soft control */
- uoc_write(UOC_HIWORD_UPDATE(0x55, 0x7f, 0), 0x700);
+ uoc_write(UOC_HIWORD_UPDATE(0x1d5, 0x1ff, 0), 0x700);
usbpdata->phy_status = 1;
} else {
/* exit suspend */
--
2.34.1