diff options
| author | Biju Das <biju.das.jz@bp.renesas.com> | 2023-01-21 17:58:50 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-01-25 17:48:17 +0300 |
| commit | c52c9acc415eb6ff54f658492f8c53da0fc3528a (patch) | |
| tree | 0b538ef22919c8ede81156de76b7082399148684 /drivers/usb/host/xhci-rzv2m.h | |
| parent | 224eb5311d6a8c180932465873d809b48a2470bf (diff) | |
| download | linux-c52c9acc415eb6ff54f658492f8c53da0fc3528a.tar.xz | |
xhci: host: Add Renesas RZ/V2M SoC support
RZ/V2M is similar to R-Car XHCI but it doesn't require any
firmware, we need to reset the USB Host reset release in DRD Module
before accessing host registers.
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/20230121145853.4792-10-biju.das.jz@bp.renesas.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/host/xhci-rzv2m.h')
| -rw-r--r-- | drivers/usb/host/xhci-rzv2m.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/usb/host/xhci-rzv2m.h b/drivers/usb/host/xhci-rzv2m.h new file mode 100644 index 000000000000..12448b0e8d5b --- /dev/null +++ b/drivers/usb/host/xhci-rzv2m.h @@ -0,0 +1,16 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __XHCI_RZV2M_H +#define __XHCI_RZV2M_H + +#if IS_ENABLED(CONFIG_USB_XHCI_RZV2M) +void xhci_rzv2m_start(struct usb_hcd *hcd); +int xhci_rzv2m_init_quirk(struct usb_hcd *hcd); +#else +static inline void xhci_rzv2m_start(struct usb_hcd *hcd) {} +static inline int xhci_rzv2m_init_quirk(struct usb_hcd *hcd) +{ + return -EINVAL; +} +#endif + +#endif /* __XHCI_RZV2M_H */ |