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@xxxxxxxxxxxx> --- drivers/usb/dwc3/core.c | 1 + drivers/usb/dwc3/core.h | 10 ++++++++++ 2 files changed, 11 insertions(+) diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index becfbb87f791..437816ff8860 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -702,6 +702,7 @@ 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 5bfb62533e0f..a2de686c5460 100644 --- a/drivers/usb/dwc3/core.h +++ b/drivers/usb/dwc3/core.h @@ -918,6 +918,7 @@ 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 @@ -1104,6 +1105,15 @@ 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; -- 2.11.0