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-rw-r--r--include/spi.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/include/spi.h b/include/spi.h
index aa0a48e..5975cda 100644
--- a/include/spi.h
+++ b/include/spi.h
@@ -534,6 +534,16 @@ int spi_get_bus_and_cs(int busnum, int cs, int speed, int mode,
int spi_chip_select(struct udevice *slave);
/**
+ * spi_find_chip_select() - Find the slave attached to chip select
+ *
+ * @bus: SPI bus to search
+ * @cs: Chip select to look for
+ * @devp: Returns the slave device if found
+ * @return 0 if found, -ENODEV on error
+ */
+int spi_find_chip_select(struct udevice *bus, int cs, struct udevice **devp);
+
+/**
* spi_bind_device() - bind a device to a bus's chip select
*
* This binds a new device to an given chip select (which must be unused).