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authorYoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>2016-11-11 15:13:26 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-11-14 10:18:22 +0100
commit125f0c0ca06555f7992ededc538580454c9b6996 (patch)
tree08d5f8bf7dde54cb93dd09633a4d90428f7f0347 /drivers/usb/host
parentf4c8f03ca31a9cf4c122780ea693d145658ba397 (diff)
usb: host: xhci: rcar: add a new firmware version for r8a7796
This patch adds a new firmware version "V3" for r8a7796. This patch also adds explanation of each version's information. 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>
Diffstat (limited to 'drivers/usb/host')
-rw-r--r--drivers/usb/host/xhci-rcar.c3
-rw-r--r--drivers/usb/host/xhci-rcar.h1
2 files changed, 4 insertions, 0 deletions
diff --git a/drivers/usb/host/xhci-rcar.c b/drivers/usb/host/xhci-rcar.c
index 0e4535e632ec..ced4a76330ce 100644
--- a/drivers/usb/host/xhci-rcar.c
+++ b/drivers/usb/host/xhci-rcar.c
@@ -19,6 +19,8 @@
#include "xhci-rcar.h"
/*
+* - The V3 firmware is for r8a7796 (with good performance).
+* - 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
* Gen2.
@@ -26,6 +28,7 @@
*/
MODULE_FIRMWARE(XHCI_RCAR_FIRMWARE_NAME_V1);
MODULE_FIRMWARE(XHCI_RCAR_FIRMWARE_NAME_V2);
+MODULE_FIRMWARE(XHCI_RCAR_FIRMWARE_NAME_V3);
/*** Register Offset ***/
#define RCAR_USB3_INT_ENA 0x224 /* Interrupt Enable */
diff --git a/drivers/usb/host/xhci-rcar.h b/drivers/usb/host/xhci-rcar.h
index 2941a25cfe98..d2ffe20401cf 100644
--- a/drivers/usb/host/xhci-rcar.h
+++ b/drivers/usb/host/xhci-rcar.h
@@ -13,6 +13,7 @@
#define XHCI_RCAR_FIRMWARE_NAME_V1 "r8a779x_usb3_v1.dlmem"
#define XHCI_RCAR_FIRMWARE_NAME_V2 "r8a779x_usb3_v2.dlmem"
+#define XHCI_RCAR_FIRMWARE_NAME_V3 "r8a779x_usb3_v3.dlmem"
#if IS_ENABLED(CONFIG_USB_XHCI_RCAR)
void xhci_rcar_start(struct usb_hcd *hcd);