at86rf230: add support for external xtal trim
This patch adds support for setting the xtal trim register. Some at86rf2xx
transceiver boards needs fine tuning the xtal capacitor.
Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
diff --git a/include/linux/spi/at86rf230.h b/include/linux/spi/at86rf230.h
index cd519a1..b63fe6f 100644
--- a/include/linux/spi/at86rf230.h
+++ b/include/linux/spi/at86rf230.h
@@ -22,6 +22,7 @@
int rstn;
int slp_tr;
int dig2;
+ u8 xtal_trim;
};
#endif