root/arch/mips/bcm63xx/dev-spi.c
/*
 * 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) 2009-2011 Florian Fainelli <florian@openwrt.org>
 * Copyright (C) 2010 Tanguy Bouzeloc <tanguy.bouzeloc@efixo.com>
 */

#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/export.h>
#include <linux/platform_device.h>
#include <linux/err.h>
#include <linux/clk.h>

#include <bcm63xx_cpu.h>
#include <bcm63xx_dev_spi.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_spi_device = {
        .id             = -1,
        .num_resources  = ARRAY_SIZE(spi_resources),
        .resource       = spi_resources,
};

int __init bcm63xx_spi_register(void)
{
        if (BCMCPU_IS_6328() || BCMCPU_IS_6345())
                return -ENODEV;

        spi_resources[0].start = bcm63xx_regset_address(RSET_SPI);
        spi_resources[0].end = spi_resources[0].start;
        spi_resources[1].start = bcm63xx_get_irq_number(IRQ_SPI);

        if (BCMCPU_IS_6338() || BCMCPU_IS_6348()) {
                bcm63xx_spi_device.name = "bcm6348-spi",
                spi_resources[0].end += BCM_6348_RSET_SPI_SIZE - 1;
        }

        if (BCMCPU_IS_3368() || BCMCPU_IS_6358() || BCMCPU_IS_6362() ||
                BCMCPU_IS_6368()) {
                bcm63xx_spi_device.name = "bcm6358-spi",
                spi_resources[0].end += BCM_6358_RSET_SPI_SIZE - 1;
        }

        return platform_device_register(&bcm63xx_spi_device);
}