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authorSanchayan Maity <maitysanchayan@gmail.com>2016-08-05 13:59:11 +0530
committerMarcel Ziswiler <marcel.ziswiler@toradex.com>2016-09-29 06:03:23 +0200
commitdfc215b18aefab24e72e031029a39113508735dc (patch)
tree6e4d9c7ddd4c9b1f23cbc094aeffd24c43b58e32
parent5d364743f61ac748657ad96defc1ff832757288c (diff)
usb: host: ehci-vf: Implement board_usb_phy_mode weak function
Add board_usb_phy_mode weak function on similar lines to ehci-mx6. However since Vybrid USB does not have a true OTG, make this weak functon just return 0. The function is supposed to be implemented by the individual boards using a GPIO for providing the OTG pin functionality. Signed-off-by: Sanchayan Maity <maitysanchayan@gmail.com> Signed-off-by: Stefan Agner <stefan.agner@toradex.com>
-rw-r--r--drivers/usb/host/ehci-vf.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/usb/host/ehci-vf.c b/drivers/usb/host/ehci-vf.c
index 183c6ef141..8757822603 100644
--- a/drivers/usb/host/ehci-vf.c
+++ b/drivers/usb/host/ehci-vf.c
@@ -161,6 +161,11 @@ static void usb_oc_config(int index)
__raw_writel(val, ctrl);
}
+int __weak board_usb_phy_mode(int port)
+{
+ return 0;
+}
+
int __weak board_ehci_hcd_init(int port)
{
return 0;
@@ -170,6 +175,7 @@ int ehci_hcd_init(int index, enum usb_init_type init,
struct ehci_hccr **hccr, struct ehci_hcor **hcor)
{
struct usb_ehci *ehci;
+ enum usb_init_type type;
if (index >= ARRAY_SIZE(nc_reg_bases))
return -EINVAL;
@@ -188,6 +194,10 @@ int ehci_hcd_init(int index, enum usb_init_type init,
*hcor = (struct ehci_hcor *)((uint32_t)*hccr +
HC_LENGTH(ehci_readl(&(*hccr)->cr_capbase)));
+ type = board_usb_phy_mode(index);
+ if (type != init)
+ return -ENODEV;
+
if (init == USB_INIT_DEVICE) {
setbits_le32(&ehci->usbmode, CM_DEVICE);
__raw_writel((PORT_PTS_UTMI | PORT_PTS_PTW), &ehci->portsc);