MIPS: BCM63XX: add HSSPI platform device and register it

Signed-off-by: Jonas Gorski <jogo@openwrt.org>
Signed-off-by: John Crispin <blogic@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/6180/

arch/mips/bcm63xx/Makefile

@@ -1,7 +1,7 @@
 obj-y		+= clk.o cpu.o cs.o gpio.o irq.o nvram.o prom.o reset.o \
 		   setup.o timer.o dev-dsp.o dev-enet.o dev-flash.o \
-		   dev-pcmcia.o dev-rng.o dev-spi.o dev-uart.o dev-wdt.o \
-		   dev-usb-usbd.o
+		   dev-pcmcia.o dev-rng.o dev-spi.o dev-hsspi.o dev-uart.o \
+		   dev-wdt.o dev-usb-usbd.o
 obj-$(CONFIG_EARLY_PRINTK)	+= early_printk.o
 
 obj-y		+= boards/

arch/mips/bcm63xx/boards/board_bcm963xx.c

@@ -23,6 +23,7 @@
 #include <bcm63xx_dev_enet.h>
 #include <bcm63xx_dev_dsp.h>
 #include <bcm63xx_dev_flash.h>
+#include <bcm63xx_dev_hsspi.h>
 #include <bcm63xx_dev_pcmcia.h>
 #include <bcm63xx_dev_spi.h>
 #include <bcm63xx_dev_usb_usbd.h>
@@ -915,6 +916,8 @@ int __init board_register_devices(void)
 
 	bcm63xx_spi_register();
 
+	bcm63xx_hsspi_register();
+
 	bcm63xx_flash_register();
 
 	bcm63xx_led_data.num_leds = ARRAY_SIZE(board.leds);

arch/mips/bcm63xx/dev-hsspi.c

@@ -0,0 +1,47 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2012 Jonas Gorski <jonas.gorski@gmail.com>
+ */
+
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+
+#include <bcm63xx_cpu.h>
+#include <bcm63xx_dev_hsspi.h>
+#include <bcm63xx_regs.h>
+
+static struct resource spi_resources[] = {
+	{
+		.start		= -1, /* filled at runtime */
+		.end		= -1, /* filled at runtime */
+		.flags		= IORESOURCE_MEM,
+	},
+	{
+		.start		= -1, /* filled at runtime */
+		.flags		= IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device bcm63xx_hsspi_device = {
+	.name		= "bcm63xx-hsspi",
+	.id		= 0,
+	.num_resources	= ARRAY_SIZE(spi_resources),
+	.resource	= spi_resources,
+};
+
+int __init bcm63xx_hsspi_register(void)
+{
+	if (!BCMCPU_IS_6328() && !BCMCPU_IS_6362())
+		return -ENODEV;
+
+	spi_resources[0].start = bcm63xx_regset_address(RSET_HSSPI);
+	spi_resources[0].end = spi_resources[0].start;
+	spi_resources[0].end += RSET_HSSPI_SIZE - 1;
+	spi_resources[1].start = bcm63xx_get_irq_number(IRQ_HSSPI);
+
+	return platform_device_register(&bcm63xx_hsspi_device);
+}

arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_hsspi.h

@@ -0,0 +1,8 @@
+#ifndef BCM63XX_DEV_HSSPI_H
+#define BCM63XX_DEV_HSSPI_H
+
+#include <linux/types.h>
+
+int bcm63xx_hsspi_register(void);
+
+#endif /* BCM63XX_DEV_HSSPI_H */