add some glue code between the idt82 driver and at91lib SPI
diff --git a/driver/idt82v2081.h b/driver/idt82v2081.h
index 1d78093..6148492 100644
--- a/driver/idt82v2081.h
+++ b/driver/idt82v2081.h
@@ -18,6 +18,8 @@
 struct idt82 {
 	enum idt82_mode mode;
 	enum idt82_term term;
+	void *priv;
+	uint8_t cs;
 };
 
 int idt82_termination(struct idt82 *idt, enum idt82_term term);
@@ -30,4 +32,8 @@
 int idt82_reg_write(struct idt82 *idt, uint8_t reg, uin8_t val);
 int idt82_reg_read(struct idt82 *idt, uint8_t reg);
 
+/* board specific initializers */
+int idt82_at91_init(struct idt82 *idt, void *spi, unsigned int id,
+		    uint8_t cs, uint32_t spi_mr, uint32_t csr);
+
 #endif