Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-12-10 13:12:04 +00:00
Code Issues Packages Projects Releases Wiki Activity

usb: dwc3: Track DWC_usb31 VERSIONTYPE

Browse Source 
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>
This commit is contained in:
Thinh Nguyen 2018-11-08 12:06:48 -08:00 committed by Felipe Balbi
parent 772a7a724f
commit 475d8e0197
2 changed files with 11 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/usb/dwc3/core.c
View File

@ -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;
}

10
drivers/usb/dwc3/core.h
View File

@ -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;