1 files changed, 35 insertions, 0 deletions

diff --git a/include/linux/usb/musb.h b/include/linux/usb/musb.h
index 7acef0234c0e..f3d68f62dae8 100644
--- a/include/linux/usb/musb.h
+++ b/include/linux/usb/musb.h
@@ -22,12 +22,47 @@ enum musb_mode {
 
 struct clk;
 
+enum musb_fifo_style {
+        FIFO_RXTX,
+        FIFO_TX,
+        FIFO_RX
+} __attribute__ ((packed));
+
+enum musb_buf_mode {
+        BUF_SINGLE,
+        BUF_DOUBLE
+} __attribute__ ((packed));
+
+struct musb_fifo_cfg {
+        u8                      hw_ep_num;
+        enum musb_fifo_style    style;
+        enum musb_buf_mode      mode;
+        u16                     maxpacket;
+};
+
+#define MUSB_EP_FIFO(ep, st, m, pkt)            \
+{                                               \
+        .hw_ep_num      = ep,                   \
+        .style          = st,                   \
+        .mode           = m,                    \
+        .maxpacket      = pkt,                  \
+}
+
+#define MUSB_EP_FIFO_SINGLE(ep, st, pkt)        \
+        MUSB_EP_FIFO(ep, st, BUF_SINGLE, pkt)
+
+#define MUSB_EP_FIFO_DOUBLE(ep, st, pkt)        \
+        MUSB_EP_FIFO(ep, st, BUF_DOUBLE, pkt)
+
 struct musb_hdrc_eps_bits {
         const char      name[16];
         u8              bits;
 };
 
 struct musb_hdrc_config {
+        struct musb_fifo_cfg    *fifo_cfg;      /* board fifo configuration */
+        unsigned                fifo_cfg_size;  /* size of the fifo configuration */
+
         /* MUSB configuration-specific details */
         unsigned        multipoint:1;   /* multipoint device */
         unsigned        dyn_fifo:1 __deprecated; /* supports dynamic fifo sizing */