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usb: phy: msm: Add support for secondary PHY control

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Allow support to use 2nd HSPHY with USB2 Core.
Some platforms may have configuration to allow USB controller
work with any of the two HSPHYs present. By default driver
configures USB core to use primary HSPHY. Add support to allow
user select 2nd HSPHY using DT parameter.

Signed-off-by: Ivan T. Ivanov <iivanov@mm-sol.com>
Cc: Manu Gautam <mgautam@codeaurora.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Ivan T. Ivanov 2014-04-28 16:34:17 +03:00 • committed by Felipe Balbi
parent a273454341
commit cfa3ff5dfe
4 changed files with 30 additions and 2 deletions
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1
include/linux/usb/msm_hsusb.h
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@ -158,6 +158,7 @@ struct msm_otg {
atomic_t in_lpm;
int async_int;
unsigned cur_power;
int phy_number;
struct delayed_work chg_work;
enum usb_chg_state chg_state;
enum usb_chg_type chg_type;

1
include/linux/usb/msm_hsusb_hw.h
View file

@ -25,6 +25,7 @@
#define USB_OTGSC (MSM_USB_BASE + 0x01A4)
#define USB_USBMODE (MSM_USB_BASE + 0x01A8)
#define USB_PHY_CTRL (MSM_USB_BASE + 0x0240)
#define USB_PHY_CTRL2 (MSM_USB_BASE + 0x0278)
#define USBCMD_RESET 2
#define USB_USBINTR (MSM_USB_BASE + 0x0148)