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authorFelipe Balbi <balbi@ti.com>2011-09-30 10:58:50 +0300
committerGreg Kroah-Hartman <gregkh@suse.de>2011-10-04 10:25:56 -0700
commitaabb70752361a8b8ca44142a942a5bd133c4d304 (patch)
treeddc6da1f1a031834d9478cc85301c2d796da389a /drivers/usb/dwc3/core.h
parent26ceca9750260997ab82bb84dac122de1e441658 (diff)
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usb: dwc3: gadget: allow clock gating to work
The dwc3 core has internal clock gating support. Let's allow that to happen by clearing the disable bit in GCTL register. Signed-off-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/dwc3/core.h')
-rw-r--r--drivers/usb/dwc3/core.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h
index a763ba705bff..29a8e1679e12 100644
--- a/drivers/usb/dwc3/core.h
+++ b/drivers/usb/dwc3/core.h
@@ -161,6 +161,7 @@
#define DWC3_GCTL_CORESOFTRESET (1 << 11)
#define DWC3_GCTL_SCALEDOWN(n) (n << 4)
#define DWC3_GCTL_DISSCRAMBLE (1 << 3)
+#define DWC3_GCTL_DSBLCLKGTNG (1 << 0)
/* Global USB2 PHY Configuration Register */
#define DWC3_GUSB2PHYCFG_PHYSOFTRST (1 << 31)
@@ -170,6 +171,11 @@
#define DWC3_GUSB3PIPECTL_PHYSOFTRST (1 << 31)
#define DWC3_GUSB3PIPECTL_SUSPHY (1 << 17)
+/* Global HWPARAMS1 Register */
+#define DWC3_GHWPARAMS1_EN_PWROPT(n) ((n & (3 << 24)) >> 24)
+#define DWC3_GHWPARAMS1_EN_PWROPT_NO 0
+#define DWC3_GHWPARAMS1_EN_PWROPT_CLK 1
+
/* Device Configuration Register */
#define DWC3_DCFG_DEVADDR(addr) ((addr) << 3)
#define DWC3_DCFG_DEVADDR_MASK DWC3_DCFG_DEVADDR(0x7f)