Add support for Broadcom STB SoC's to the xhci platform driver
Signed-off-by: Al Cooper <alcooperx@xxxxxxxxx>
---
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
