@@ -19,13 +19,20 @@
#include "xhci-rcar.h"
/*
-* - 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.
-* - The V1 firmware is impossible to use on R-Car Gen3.
-*/
+ * | Gen2 r8a7795 r8a7796
+ * ---+----------------------------
+ * V3 | note1 NG OK
+ * V2 | note1 OK note1
+ * V1 | OK NG NG
+ *
+ * Gen2: r8a7790, r8a7791 and r8a7793
+ * OK: This firmware version works correctly on such SoC(s)
+ * NG: This firmware version is impossible to use on such SoC(s)
+ * note1: This firmware version causes performance degradation.
+ */
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 */
@@ -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);
This patch adds a new firmware version "V3" for r8a7796. This patch also revises the explanation of each version's capability using a table. Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> --- drivers/usb/host/xhci-rcar.c | 17 ++++++++++++----- drivers/usb/host/xhci-rcar.h | 1 + 2 files changed, 13 insertions(+), 5 deletions(-)