--- /dev/null
+++ b/arch/arm/mach-cns21xx/dev-spi-master.c
@@ -0,0 +1,83 @@
+/*
+ *  Copyright (c) 2010-2012 Gabor Juhos <juhosg@openwrt.org>
+ *
+ *  This file is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License, Version 2, as
+ *  published by the Free Software Foundation.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/spi/spi.h>
+#include <linux/dma-mapping.h>
+#include <linux/platform_device.h>
+
+#include <mach/hardware.h>
+#include <mach/cns21xx.h>
+#include <mach/cns21xx_misc.h>
+#include <mach/cns21xx_powermgmt.h>
+#include <mach/irqs.h>
+
+#include "common.h"
+
+static u64 spi_dmamask = DMA_BIT_MASK(32);
+static struct resource cns21xx_spi_resources[] = {
+	[0] = {
+		.start	= CNS21XX_SPI_BASE,
+		.end	= CNS21XX_SPI_BASE + SZ_4K - 1,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= CNS21XX_IRQ_SPI,
+		.end	= CNS21XX_IRQ_SPI,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device cns21xx_spi_master_device = {
+	.name		= "cns21xx-spi",
+	.id		= -1,
+	.dev		= {
+		.dma_mask		= &spi_dmamask,
+		.coherent_dma_mask	= DMA_BIT_MASK(32),
+	},
+	.resource	= cns21xx_spi_resources,
+	.num_resources	= ARRAY_SIZE(cns21xx_spi_resources),
+};
+
+void __init cns21xx_register_spi_master(int id, struct spi_board_info *info,
+					unsigned int n)
+{
+	unsigned int i;
+
+	/* Enable SPI pins */
+	HAL_MISC_ENABLE_SPIDR_PINS();
+	HAL_MISC_ENABLE_SPICLK_PINS();
+	for (i = 0; i < n; i++) {
+		switch (info[i].chip_select) {
+		case 0:
+			HAL_MISC_ENABLE_SPICSN0_PINS();
+			break;
+		case 1:
+			HAL_MISC_ENABLE_SPICSN1_PINS();
+			break;
+		case 2:
+			HAL_MISC_ENABLE_SPICSN2_PINS();
+			break;
+		case 3:
+			HAL_MISC_ENABLE_SPICSN3_PINS();
+			break;
+		}
+	}
+
+	/* Disable SPI serial flash access through 0x30000000 region */
+	HAL_MISC_DISABLE_SPI_SERIAL_FLASH_BANK_ACCESS();
+
+	/* Enable SPI clock */
+	HAL_PWRMGT_ENABLE_SPI_CLOCK();
+
+	cns21xx_spi_master_device.id = id;
+
+	spi_register_board_info(info, n);
+	platform_device_register(&cns21xx_spi_master_device);
+}
--- a/arch/arm/mach-cns21xx/Kconfig
+++ b/arch/arm/mach-cns21xx/Kconfig
@@ -6,4 +6,7 @@ endmenu
 config CNS21XX_DEV_USB
 	def_bool n
 
+config CNS21XX_DEV_SPI_MASTER
+	def_bool n
+
 endif
--- a/arch/arm/mach-cns21xx/Makefile
+++ b/arch/arm/mach-cns21xx/Makefile
@@ -8,6 +8,7 @@ obj-y		:= core.o irq.o gpio.o mm.o time.
 
 # devices
 obj-$(CONFIG_CNS21XX_DEV_USB)		+= dev-usb.o
+obj-$(CONFIG_CNS21XX_DEV_SPI_MASTER)	+= dev-spi-master.o
 
 # machine specific files
 
--- a/arch/arm/mach-cns21xx/common.h
+++ b/arch/arm/mach-cns21xx/common.h
@@ -23,4 +23,8 @@ int cns21xx_register_uart1(void);
 int cns21xx_register_usb(void);
 int cns21xx_register_wdt(void);
 
+struct spi_board_info;
+void __init cns21xx_register_spi_master(int id, struct spi_board_info *info,
+					unsigned int n);
+
 #endif /* _MACH_CNS21XX_COMMON_H */