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usb: of: add an api to get dr_mode by the phy node

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Some USB phy drivers have different handling for the controller in each
dr_mode. But the phy driver does not have visibility to the dr_mode of
the controller.

This adds an api to return the dr_mode of the controller which
associates the given phy node.

Signed-off-by: Bin Liu <b-liu@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Bin Liu
2015-11-03 11:51:15 -06:00
committed by Felipe Balbi
parent fa4dce2022
commit 98bfb39466
2 changed files with 59 additions and 6 deletions
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5
include/linux/usb/of.h
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@@ -12,10 +12,15 @@
#include <linux/usb/phy.h>
#if IS_ENABLED(CONFIG_OF)
enum usb_dr_mode of_usb_get_dr_mode_by_phy(struct device_node *phy_np);
bool of_usb_host_tpl_support(struct device_node *np);
int of_usb_update_otg_caps(struct device_node *np,
struct usb_otg_caps *otg_caps);
#else
enum usb_dr_mode of_usb_get_dr_mode_by_phy(struct device_node *phy_np)
{
return USB_DR_MODE_UNKNOWN;
}
static inline bool of_usb_host_tpl_support(struct device_node *np)
{
return false;