spi: Master driver for NXP SC18IS602/603

This driver adds support for NXP SC18IS602/603 I2C to SPI bus bridge.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig
index 5f84b55..920bb4d 100644
--- a/drivers/spi/Kconfig
+++ b/drivers/spi/Kconfig
@@ -325,6 +325,12 @@
 	help
 	  SPI driver for Samsung S3C64XX and newer SoCs.
 
+config SPI_SC18IS602
+	tristate "NXP SC18IS602/602B/603 I2C to SPI bridge"
+	depends on I2C
+	help
+	  SPI driver for NXP SC18IS602/602B/603 I2C to SPI bridge.
+
 config SPI_SH_MSIOF
 	tristate "SuperH MSIOF SPI controller"
 	depends on SUPERH && HAVE_CLK