[PATCH V2 3/6] usb: xhci: xhci-plat: Add support for Broadcom STB SoC's

[Al Cooper]

Add support for Broadcom STB SoC's to the xhci platform driver

Signed-off-by: Al Cooper <alcoop...@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