image: Support signing of images

[karo-tx-uboot.git] / include / spi.h

diff --git a/include/spi.h b/include/spi.h
index 1638b503945071c9ccbd5486a870ac1814160779..e8e654467fde1476d7ec25e4bde1e6af32802714 100644 (file)
--- a/include/spi.h
+++ b/include/spi.h
@@ -247,4 +247,20 @@ static inline int spi_w8r8(struct spi_slave *slave, unsigned char byte)
        return ret < 0 ? ret : din[1];
 }
 
+/**
+ * Set up a SPI slave for a particular device tree node
+ *
+ * This calls spi_setup_slave() with the correct bus number. Call
+ * spi_free_slave() to free it later.
+ *
+ * @param blob         Device tree blob
+ * @param node         SPI peripheral node to use
+ * @param cs           Chip select to use
+ * @param max_hz       Maximum SCK rate in Hz (0 for default)
+ * @param mode         Clock polarity, clock phase and other parameters
+ * @return pointer to new spi_slave structure
+ */
+struct spi_slave *spi_setup_slave_fdt(const void *blob, int node,
+               unsigned int cs, unsigned int max_hz, unsigned int mode);
+
 #endif /* _SPI_H_ */