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authorMarcel Ziswiler <marcel.ziswiler@toradex.com>2015-10-23 17:43:44 +0200
committerMarcel Ziswiler <marcel.ziswiler@toradex.com>2015-10-23 17:43:44 +0200
commit3385e637a4d041e518a926c11c1df571732951a2 (patch)
tree9331428a6406ec78638352df1248898a2de48917 /arch
parent0b206b99b8b7c27e70fb91bc13e2255cb0cfeb28 (diff)
colibri_t30: fix usb host device detection with colibri otg driver
Turns out the Tegra 3 USB PHY driver had some hard coded dependency on the Tegra OTG driver but we usually just use our own OTG driver purely relying on a cable detect GPIO to determine USB device vs. host role.
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/mach-tegra/tegra3_usb_phy.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/arm/mach-tegra/tegra3_usb_phy.c b/arch/arm/mach-tegra/tegra3_usb_phy.c
index f1a1e0874946..1825027aa811 100644
--- a/arch/arm/mach-tegra/tegra3_usb_phy.c
+++ b/arch/arm/mach-tegra/tegra3_usb_phy.c
@@ -33,6 +33,10 @@
#include "gpio-names.h"
#include "fuse.h"
+#ifdef CONFIG_USB_COLIBRI_OTG
+#include "board-colibri_t30.h"
+#endif
+
#define USB_USBCMD 0x130
#define USB_USBCMD_RS (1 << 0)
#define USB_CMD_RESET (1<<1)
@@ -1489,8 +1493,12 @@ static int utmi_phy_power_off(struct tegra_usb_phy *phy)
/* if it is OTG port then make sure to enable hot-plug feature
only if host adaptor is connected, i.e id is low */
if (phy->pdata->port_otg) {
+#ifdef CONFIG_USB_COLIBRI_OTG
+ enable_hotplug = gpio_get_value(USBC_DET) ? false : true;
+#else
val = readl(base + USB_PHY_VBUS_WAKEUP_ID);
enable_hotplug = (val & USB_ID_STATUS) ? false : true;
+#endif
}
if (enable_hotplug) {
/* Enable wakeup event of device plug-in/plug-out */