--- a/drivers/spi/Kconfig
+++ b/drivers/spi/Kconfig
@@ -68,6 +68,14 @@ config SPI_AR71XX
 	help
 	  This is the SPI contoller driver for Atheros AR71xx.
 
+config SPI_PB44
+	tristate "Atheros PB44 board specific SPI controller"
+	depends on SPI_MASTER && AR71XX_MACH_PB44
+	select SPI_BITBANG
+	help
+	  This is a specific SPI controller driver for the Atheros PB44
+	  reference board.
+
 config SPI_ATMEL
 	tristate "Atmel SPI Controller"
 	depends on (ARCH_AT91 || AVR32)
--- a/drivers/spi/Makefile
+++ b/drivers/spi/Makefile
@@ -22,6 +22,7 @@ obj-$(CONFIG_SPI_GPIO)			+= spi_gpio.o
 obj-$(CONFIG_SPI_GPIO_OLD)		+= spi_gpio_old.o
 obj-$(CONFIG_SPI_IMX)			+= spi_imx.o
 obj-$(CONFIG_SPI_LM70_LLP)		+= spi_lm70llp.o
+obj-$(CONFIG_SPI_PB44)			+= pb44_spi.o
 obj-$(CONFIG_SPI_PXA2XX)		+= pxa2xx_spi.o
 obj-$(CONFIG_SPI_OMAP_UWIRE)		+= omap_uwire.o
 obj-$(CONFIG_SPI_OMAP24XX)		+= omap2_mcspi.o