linux/arch/mips/bcm63xx/dev-spi.c

61 lines
1.6 KiB
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);
}