[PATCH V2 3/6] usb: xhci: xhci-plat: Add support for Broadcom STB SoC's
From: Al Cooper <alcooperx@gmail.com>
Date: 2018-10-17 22:30:13
Also in:
linux-usb, lkml
Subsystem:
the rest, usb subsystem, usb xhci driver · Maintainers:
Linus Torvalds, Greg Kroah-Hartman, Mathias Nyman
Add support for Broadcom STB SoC's to the xhci platform driver Signed-off-by: Al Cooper <alcooperx@gmail.com> --- drivers/usb/host/xhci-brcm.c | 17 +++++++++++++++++ drivers/usb/host/xhci-brcm.h | 16 ++++++++++++++++ drivers/usb/host/xhci-plat.c | 8 ++++++++ 3 files changed, 41 insertions(+) create mode 100644 drivers/usb/host/xhci-brcm.c create mode 100644 drivers/usb/host/xhci-brcm.h
diff --git a/drivers/usb/host/xhci-brcm.c b/drivers/usb/host/xhci-brcm.c
new file mode 100644
index 000000000000..a7220126f6af
--- /dev/null
+++ b/drivers/usb/host/xhci-brcm.c@@ -0,0 +1,17 @@ +// SPDX-License-Identifier: GPL-2.0 +/* Copyright (c) 2018, Broadcom */ + +#include <linux/usb.h> +#include <linux/usb/hcd.h> + +#include "xhci.h" + +int xhci_plat_brcm_init_quirk(struct usb_hcd *hcd) +{ + struct xhci_hcd *xhci = hcd_to_xhci(hcd); + + xhci->quirks |= XHCI_RESET_ON_RESUME; + hcd->suspend_without_phy_exit = 1; + return 0; +} +
diff --git a/drivers/usb/host/xhci-brcm.h b/drivers/usb/host/xhci-brcm.h
new file mode 100644
index 000000000000..a39d1b807a4c
--- /dev/null
+++ b/drivers/usb/host/xhci-brcm.h@@ -0,0 +1,16 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* Copyright (c) 2018, Broadcom */ + +#ifndef _XHCI_BRCM_H +#define _XHCI_BRCM_H + +#if IS_ENABLED(CONFIG_USB_XHCI_BRCM) +int xhci_plat_brcm_init_quirk(struct usb_hcd *hcd); +#else +static inline int xhci_brcm_init_quirk(struct usb_hcd *hcd) +{ + return 0; +} +#endif +#endif /* _XHCI_BRCM_H */ +
diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c
index 94e939249b2b..1de22928e862 100644
--- a/drivers/usb/host/xhci-plat.c
+++ b/drivers/usb/host/xhci-plat.c@@ -23,6 +23,7 @@ #include "xhci-plat.h" #include "xhci-mvebu.h" #include "xhci-rcar.h" +#include "xhci-brcm.h" static struct hc_driver __read_mostly xhci_plat_hc_driver;
@@ -111,6 +112,10 @@ static int xhci_plat_start(struct usb_hcd *hcd) .resume_quirk = xhci_rcar_resume_quirk, }; +static const struct xhci_plat_priv xhci_plat_brcm = { + .init_quirk = xhci_plat_brcm_init_quirk +}; + static const struct of_device_id usb_xhci_of_match[] = { { .compatible = "generic-xhci",
@@ -143,6 +148,9 @@ static int xhci_plat_start(struct usb_hcd *hcd) }, { .compatible = "renesas,rcar-gen3-xhci", .data = &xhci_plat_renesas_rcar_gen3, + }, { + .compatible = "brcm,bcm7445-xhci", + .data = &xhci_plat_brcm, }, {}, };
--
1.9.0.138.g2de3478