X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=include%2Fspi.h;h=60e85db9a46e052c97b638c58bb93114a378e3b7;hb=16dc702f2419d1bd5b829a60382785c22d9ee50c;hp=7744c2e36b057c02e9d22be42be6a6dd6a1f330d;hpb=e44f3ea4e801d37ef293284cb57b9637382f211a;p=u-boot

diff --git a/include/spi.h b/include/spi.h
index 7744c2e36b..60e85db9a4 100644
--- a/include/spi.h
+++ b/include/spi.h
@@ -24,6 +24,8 @@
 #ifndef _SPI_H_
 #define _SPI_H_
 
+/* Controller-specific definitions: */
+
 /* SPI mode flags */
 #define	SPI_CPHA	0x01			/* clock phase */
 #define	SPI_CPOL	0x02			/* clock polarity */
@@ -166,6 +168,14 @@ void spi_cs_activate(struct spi_slave *slave);
  */
 void spi_cs_deactivate(struct spi_slave *slave);
 
+/*-----------------------------------------------------------------------
+ * Set transfer speed.
+ * This sets a new speed to be applied for next spi_xfer().
+ *   slave:	The SPI slave
+ *   hz:	The transfer speed
+ */
+void spi_set_speed(struct spi_slave *slave, uint hz);
+
 /*-----------------------------------------------------------------------
  * Write 8 bits, then read 8 bits.
  *   slave:	The SPI slave we're communicating with