usb: host: xhci-plat: add support for the R-Car M2-N xHCI controller

This patch adds support for R-Car M2-N (r8a7793) xHCI controller.
This SoC is compatible with R-Car H2 (r8a7790) and R-Car M2-W (r8a7791).

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/Documentation/devicetree/bindings/usb/usb-xhci.txt b/Documentation/devicetree/bindings/usb/usb-xhci.txt
index 86f67f0886bc4ea577e2847a9a97289ab077b62d..106299ad38076b820fd59f9b77f3cc2de3cdf29a 100644 (file)
--- a/Documentation/devicetree/bindings/usb/usb-xhci.txt
+++ b/Documentation/devicetree/bindings/usb/usb-xhci.txt
@@ -3,8 +3,8 @@ USB xHCI controllers
 Required properties:
   - compatible: should be one of "generic-xhci",
     "marvell,armada-375-xhci", "marvell,armada-380-xhci",
-    "renesas,xhci-r8a7790", "renesas,xhci-r8a7791" (deprecated:
-    "xhci-platform").
+    "renesas,xhci-r8a7790", "renesas,xhci-r8a7791", "renesas,xhci-r8a7793"
+    (deprecated: "xhci-platform").
   - reg: should contain address and length of the standard XHCI
     register set for the device.
   - interrupts: one XHCI interrupt should be described here.

diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c
index a471f12ffa468baff052d48e058dcc9085d92140..0113e79c74cb392bc0c39dad688b16e45deb372b 100644 (file)
--- a/drivers/usb/host/xhci-plat.c
+++ b/drivers/usb/host/xhci-plat.c
@@ -96,6 +96,9 @@ static const struct of_device_id usb_xhci_of_match[] = {
        }, {
                .compatible = "renesas,xhci-r8a7791",
                .data = &xhci_plat_renesas_rcar_gen2,
+       }, {
+               .compatible = "renesas,xhci-r8a7793",
+               .data = &xhci_plat_renesas_rcar_gen2,
        }, {
        },
 };