rk3368: usb: adjust usb phy parameter

[firefly-linux-kernel-4.4.55.git] / drivers / usb / dwc_otg_310 / usbdev_rk3368.c

diff --git a/drivers/usb/dwc_otg_310/usbdev_rk3368.c b/drivers/usb/dwc_otg_310/usbdev_rk3368.c
index c7521a9cf9c65d3dc87949f914a900aa0a16f1ea..8a316b31382a41e5a89047038aa3c3a4ec756f0e 100644 (file)
--- 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 */