LXR linux/arch/mips/bcm63xx/dev-hsspi.c

   1/*
   2 * This file is subject to the terms and conditions of the GNU General Public
   3 * License.  See the file "COPYING" in the main directory of this archive
   4 * for more details.
   5 *
   6 * Copyright (C) 2012 Jonas Gorski <jonas.gorski@gmail.com>
   7 */
   8
   9#include <linux/init.h>
  10#include <linux/kernel.h>
  11#include <linux/platform_device.h>
  12
  13#include <bcm63xx_cpu.h>
  14#include <bcm63xx_dev_hsspi.h>
  15#include <bcm63xx_regs.h>
  16
  17static struct resource spi_resources[] = {
  18        {
  19                .start          = -1, /* filled at runtime */
  20                .end            = -1, /* filled at runtime */
  21                .flags          = IORESOURCE_MEM,
  22        },
  23        {
  24                .start          = -1, /* filled at runtime */
  25                .flags          = IORESOURCE_IRQ,
  26        },
  27};
  28
  29static struct platform_device bcm63xx_hsspi_device = {
  30        .name           = "bcm63xx-hsspi",
  31        .id             = 0,
  32        .num_resources  = ARRAY_SIZE(spi_resources),
  33        .resource       = spi_resources,
  34};
  35
  36int __init bcm63xx_hsspi_register(void)
  37{
  38        if (!BCMCPU_IS_6328() && !BCMCPU_IS_6362())
  39                return -ENODEV;
  40
  41        spi_resources[0].start = bcm63xx_regset_address(RSET_HSSPI);
  42        spi_resources[0].end = spi_resources[0].start;
  43        spi_resources[0].end += RSET_HSSPI_SIZE - 1;
  44        spi_resources[1].start = bcm63xx_get_irq_number(IRQ_HSSPI);
  45
  46        return platform_device_register(&bcm63xx_hsspi_device);
  47}
  48