1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
|
/*
* 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 Florian Fainelli <florian@openwrt.org>
*/
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/platform_device.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 bcm63xx_spi_pdata spi_pdata = {
.bus_num = 0,
.num_chipselect = 4,
.speed_hz = 50000000, /* Fclk */
};
static struct platform_device bcm63xx_spi_device = {
.name = "bcm63xx-spi",
.id = 0,
.num_resources = ARRAY_SIZE(spi_resources),
.resource = spi_resources,
.dev = {
.platform_data = &spi_pdata,
},
};
int __init bcm63xx_spi_register(void)
{
spi_resources[0].start = bcm63xx_regset_address(RSET_SPI);
spi_resources[0].end = spi_resources[0].start;
spi_resources[0].end += RSET_SPI_SIZE - 1;
spi_resources[1].start = bcm63xx_get_irq_number(IRQ_SPI);
/* Fill in platform data */
if (BCMCPU_IS_6338() || BCMCPU_IS_6348())
spi_pdata.fifo_size = SPI_BCM_6338_SPI_MSG_DATA_SIZE;
if (BCMCPU_IS_6358())
spi_pdata.fifo_size = SPI_BCM_6358_SPI_MSG_DATA_SIZE;
return platform_device_register(&bcm63xx_spi_device);
}
|
