summaryrefslogtreecommitdiffstats
path: root/drivers/usb/dwc3/core.h
diff options
context:
space:
mode:
authorSebastian Andrzej Siewior <bigeasy@linutronix.de>2011-09-13 17:54:39 +0200
committerFelipe Balbi <balbi@ti.com>2012-04-30 11:31:21 +0300
commite6a3b5e2888b51e37c65c97dae966f793bc4806a (patch)
tree934c2a7578d15dedbe2221c28cbdff7afd28588f /drivers/usb/dwc3/core.h
parent51249dca627d9d0e6b41531e716cbc308554a62c (diff)
downloadlinux-stable-e6a3b5e2888b51e37c65c97dae966f793bc4806a.tar.gz
linux-stable-e6a3b5e2888b51e37c65c97dae966f793bc4806a.tar.bz2
linux-stable-e6a3b5e2888b51e37c65c97dae966f793bc4806a.zip
usb: dwc3: ep0: add LPM handling
On device loading the driver enables LPM and the acceptance of U1 and U2 states. The [Set|Clear]Feature requests for "U1/U2" are forwarded directly to the hardware and allow / forbid the initiation of the low power links. Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers/usb/dwc3/core.h')
-rw-r--r--drivers/usb/dwc3/core.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h
index c7b3ca037bbc..93f9973ad53e 100644
--- a/drivers/usb/dwc3/core.h
+++ b/drivers/usb/dwc3/core.h
@@ -194,6 +194,7 @@
#define DWC3_GHWPARAMS1_EN_PWROPT_CLK 1
/* Device Configuration Register */
+#define DWC3_DCFG_LPM_CAP (1 << 22)
#define DWC3_DCFG_DEVADDR(addr) ((addr) << 3)
#define DWC3_DCFG_DEVADDR_MASK DWC3_DCFG_DEVADDR(0x7f)