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path: root/drivers/usb/renesas_usbhs/rcar3.c
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Diffstat (limited to 'drivers/usb/renesas_usbhs/rcar3.c')
-rw-r--r--drivers/usb/renesas_usbhs/rcar3.c15
1 files changed, 14 insertions, 1 deletions
diff --git a/drivers/usb/renesas_usbhs/rcar3.c b/drivers/usb/renesas_usbhs/rcar3.c
index 50e5fb55c8a0..b9a8453a5e68 100644
--- a/drivers/usb/renesas_usbhs/rcar3.c
+++ b/drivers/usb/renesas_usbhs/rcar3.c
@@ -27,6 +27,7 @@
* Remarks: bit[31:11] and bit[9:6] should be 0
*/
#define UGCTRL2_RESERVED_3 0x00000001 /* bit[3:0] should be B'0001 */
+#define UGCTRL2_USB0SEL_EHCI 0x00000010
#define UGCTRL2_USB0SEL_HSUSB 0x00000020
#define UGCTRL2_USB0SEL_OTG 0x00000030
#define UGCTRL2_VBUSSEL 0x00000400
@@ -49,6 +50,14 @@ static void usbhs_rcar3_set_ugctrl2(struct usbhs_priv *priv, u32 val)
usbhs_write32(priv, UGCTRL2, val | UGCTRL2_RESERVED_3);
}
+static void usbhs_rcar3_set_usbsel(struct usbhs_priv *priv, bool ehci)
+{
+ if (ehci)
+ usbhs_rcar3_set_ugctrl2(priv, UGCTRL2_USB0SEL_EHCI);
+ else
+ usbhs_rcar3_set_ugctrl2(priv, UGCTRL2_USB0SEL_HSUSB);
+}
+
static int usbhs_rcar3_power_ctrl(struct platform_device *pdev,
void __iomem *base, int enable)
{
@@ -74,10 +83,14 @@ static int usbhs_rcar3_power_and_pll_ctrl(struct platform_device *pdev,
struct usbhs_priv *priv = usbhs_pdev_to_priv(pdev);
u32 val;
int timeout = 1000;
+ bool is_host = false;
if (enable) {
usbhs_write32(priv, UGCTRL, 0); /* release PLLRESET */
- usbhs_rcar3_set_ugctrl2(priv, UGCTRL2_USB0SEL_HSUSB);
+ if (priv->edev)
+ is_host = extcon_get_state(priv->edev, EXTCON_USB_HOST);
+
+ usbhs_rcar3_set_usbsel(priv, is_host);
usbhs_bset(priv, LPSTS, LPSTS_SUSPM, LPSTS_SUSPM);
do {