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path: root/drivers/usb/host/ehci-atmel.c
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Diffstat (limited to 'drivers/usb/host/ehci-atmel.c')
-rw-r--r--drivers/usb/host/ehci-atmel.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/usb/host/ehci-atmel.c b/drivers/usb/host/ehci-atmel.c
index e893467d659c..05d41fd65f25 100644
--- a/drivers/usb/host/ehci-atmel.c
+++ b/drivers/usb/host/ehci-atmel.c
@@ -18,6 +18,8 @@
#include <linux/platform_device.h>
#include <linux/usb.h>
#include <linux/usb/hcd.h>
+#include <linux/usb/phy.h>
+#include <linux/usb/of.h>
#include "ehci.h"
@@ -25,6 +27,9 @@
static const char hcd_name[] = "ehci-atmel";
+#define EHCI_INSNREG(index) ((index) * 4 + 0x90)
+#define EHCI_INSNREG08_HSIC_EN BIT(2)
+
/* interface and function clocks */
#define hcd_to_atmel_ehci_priv(h) \
((struct atmel_ehci_priv *)hcd_to_ehci(h)->priv)
@@ -154,6 +159,9 @@ static int ehci_atmel_drv_probe(struct platform_device *pdev)
goto fail_add_hcd;
device_wakeup_enable(hcd->self.controller);
+ if (of_usb_get_phy_mode(pdev->dev.of_node) == USBPHY_INTERFACE_MODE_HSIC)
+ writel(EHCI_INSNREG08_HSIC_EN, hcd->regs + EHCI_INSNREG(8));
+
return retval;
fail_add_hcd: