usb: host: xhci: rcar: Add support for R-Car H3 ES2.0

This patch adds support for R-Car H3 ES2.0. Since this SoC revision
(or later) should use the V3 firmware, the driver needs to check
the revision via soc_device_match().

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/drivers/usb/host/xhci-rcar.c b/drivers/usb/host/xhci-rcar.c
index 8f78d04..198bc18 100644 (file)
--- a/drivers/usb/host/xhci-rcar.c
+++ b/drivers/usb/host/xhci-rcar.c
@@ -20,7 +20,8 @@
 #include "xhci-rcar.h"
 
 /*
-* - The V3 firmware is for r8a7796 (with good performance).
+* - The V3 firmware is for r8a7796 (with good performance) and r8a7795 es2.0
+*   or later.
 * - The V2 firmware can be used on both r8a7795 (es1.x) and r8a7796.
 * - The V2 firmware is possible to use on R-Car Gen2. However, the V2 causes
 *   performance degradation. So, this driver continues to use the V1 if R-Car
@@ -78,6 +79,10 @@ static const struct soc_device_attribute rcar_quirks_match[]  = {
                .data = (void *)RCAR_XHCI_FIRMWARE_V2,
        },
        {
+               .soc_id = "r8a7795",
+               .data = (void *)RCAR_XHCI_FIRMWARE_V3,
+       },
+       {
                .soc_id = "r8a7796",
                .data = (void *)RCAR_XHCI_FIRMWARE_V3,
        },