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authorThinh Nguyen <thinh.nguyen@synopsys.com>2018-11-08 12:06:48 -0800
committerFelipe Balbi <felipe.balbi@linux.intel.com>2018-11-26 09:06:32 +0200
commit475d8e0197f1bcf4647041f46206ffc1a16d15dd (patch)
treef32be3c4bdff0b28ee5283f2b4c1007a70c7aae2 /drivers/usb/dwc3
parent772a7a724f69d258025fedd87dde1aafe4171aef (diff)
downloadlinux-475d8e0197f1bcf4647041f46206ffc1a16d15dd.tar.bz2
usb: dwc3: Track DWC_usb31 VERSIONTYPE
Add a new field to dwc3 structure to track VERSIONTYPE. The VERSIONTYPE is represented in ASCII in the 32-bit VERSIONTYPE register. In DWC_usb31, sub releases for each version are tracked with VERSIONTYPE such as "ea01" and "ea02". Signed-off-by: Thinh Nguyen <thinhn@synopsys.com> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Diffstat (limited to 'drivers/usb/dwc3')
-rw-r--r--drivers/usb/dwc3/core.c1
-rw-r--r--drivers/usb/dwc3/core.h10
2 files changed, 11 insertions, 0 deletions
diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index 8f6d9c6f016e..eb064a65363c 100644
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -705,6 +705,7 @@ static bool dwc3_core_is_valid(struct dwc3 *dwc)
/* Detected DWC_usb31 IP */
dwc->revision = dwc3_readl(dwc->regs, DWC3_VER_NUMBER);
dwc->revision |= DWC3_REVISION_IS_DWC31;
+ dwc->version_type = dwc3_readl(dwc->regs, DWC3_VER_TYPE);
} else {
return false;
}
diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h
index eec4b9735fb7..709e8dd356ee 100644
--- a/drivers/usb/dwc3/core.h
+++ b/drivers/usb/dwc3/core.h
@@ -928,6 +928,7 @@ struct dwc3_scratchpad_array {
* @u1u2: only used on revisions <1.83a for workaround
* @maximum_speed: maximum speed requested (mainly for testing purposes)
* @revision: revision register contents
+ * @version_type: VERSIONTYPE register contents, a sub release of a revision
* @dr_mode: requested mode of operation
* @current_dr_role: current role of operation when in dual-role mode
* @desired_dr_role: desired role of operation when in dual-role mode
@@ -1117,6 +1118,15 @@ struct dwc3 {
#define DWC3_USB31_REVISION_110A (0x3131302a | DWC3_REVISION_IS_DWC31)
#define DWC3_USB31_REVISION_120A (0x3132302a | DWC3_REVISION_IS_DWC31)
+ u32 version_type;
+
+#define DWC31_VERSIONTYPE_EA01 0x65613031
+#define DWC31_VERSIONTYPE_EA02 0x65613032
+#define DWC31_VERSIONTYPE_EA03 0x65613033
+#define DWC31_VERSIONTYPE_EA04 0x65613034
+#define DWC31_VERSIONTYPE_EA05 0x65613035
+#define DWC31_VERSIONTYPE_EA06 0x65613036
+
enum dwc3_ep0_next ep0_next_event;
enum dwc3_ep0_state ep0state;
enum dwc3_link_state link_state;