aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/usb/dwc3/core.h
diff options
context:
space:
mode:
authorYu Chen <chenyu56@huawei.com>2020-09-08 09:20:56 +0200
committerFelipe Balbi <balbi@kernel.org>2020-10-02 09:57:45 +0300
commitf580170f135af14e287560d94045624d4242d712 (patch)
treef5ac7229929a9ccb729d03d3a981182b38e180c0 /drivers/usb/dwc3/core.h
parent2a87445af23ec7db311ff81f141626e72a2bbd86 (diff)
downloadlinux-f580170f135af14e287560d94045624d4242d712.tar.gz
usb: dwc3: Add splitdisable quirk for Hisilicon Kirin Soc
SPLIT_BOUNDARY_DISABLE should be set for DesignWare USB3 DRD Core of Hisilicon Kirin Soc when dwc3 core act as host. [mchehab: dropped a dev_dbg() as only traces are now allowwed on this driver] Signed-off-by: Yu Chen <chenyu56@huawei.com> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Felipe Balbi <balbi@kernel.org>
Diffstat (limited to 'drivers/usb/dwc3/core.h')
-rw-r--r--drivers/usb/dwc3/core.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h
index 83b6c871d58d..74323b10a64a 100644
--- a/drivers/usb/dwc3/core.h
+++ b/drivers/usb/dwc3/core.h
@@ -138,6 +138,7 @@
#define DWC3_GEVNTCOUNT(n) (0xc40c + ((n) * 0x10))
#define DWC3_GHWPARAMS8 0xc600
+#define DWC3_GUCTL3 0xc60c
#define DWC3_GFLADJ 0xc630
/* Device Registers */
@@ -380,6 +381,9 @@
/* Global User Control Register 2 */
#define DWC3_GUCTL2_RST_ACTBITLATER BIT(14)
+/* Global User Control Register 3 */
+#define DWC3_GUCTL3_SPLITDISABLE BIT(14)
+
/* Device Configuration Register */
#define DWC3_DCFG_DEVADDR(addr) ((addr) << 3)
#define DWC3_DCFG_DEVADDR_MASK DWC3_DCFG_DEVADDR(0x7f)
@@ -1053,6 +1057,7 @@ struct dwc3_scratchpad_array {
* 2 - No de-emphasis
* 3 - Reserved
* @dis_metastability_quirk: set to disable metastability quirk.
+ * @dis_split_quirk: set to disable split boundary.
* @imod_interval: set the interrupt moderation interval in 250ns
* increments or 0 to disable.
*/
@@ -1246,6 +1251,8 @@ struct dwc3 {
unsigned dis_metastability_quirk:1;
+ unsigned dis_split_quirk:1;
+
u16 imod_interval;
};