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) 2009-2011 Florian Fainelli <florian@openwrt.org>
7  * Copyright (C) 2010 Tanguy Bouzeloc <tanguy.bouzeloc@efixo.com>
8  */
9 
10 #include <linux/init.h>
11 #include <linux/kernel.h>
12 #include <linux/export.h>
13 #include <linux/platform_device.h>
14 #include <linux/err.h>
15 #include <linux/clk.h>
16 
17 #include <bcm63xx_cpu.h>
18 #include <bcm63xx_dev_spi.h>
19 #include <bcm63xx_regs.h>
20 
21 static struct resource spi_resources[] = {
22 	{
23 		.start		= -1, /* filled at runtime */
24 		.end		= -1, /* filled at runtime */
25 		.flags		= IORESOURCE_MEM,
26 	},
27 	{
28 		.start		= -1, /* filled at runtime */
29 		.flags		= IORESOURCE_IRQ,
30 	},
31 };
32 
33 static struct platform_device bcm63xx_spi_device = {
34 	.id		= -1,
35 	.num_resources	= ARRAY_SIZE(spi_resources),
36 	.resource	= spi_resources,
37 };
38 
bcm63xx_spi_register(void)39 int __init bcm63xx_spi_register(void)
40 {
41 	if (BCMCPU_IS_6328() || BCMCPU_IS_6345())
42 		return -ENODEV;
43 
44 	spi_resources[0].start = bcm63xx_regset_address(RSET_SPI);
45 	spi_resources[0].end = spi_resources[0].start;
46 	spi_resources[1].start = bcm63xx_get_irq_number(IRQ_SPI);
47 
48 	if (BCMCPU_IS_6338() || BCMCPU_IS_6348()) {
49 		bcm63xx_spi_device.name = "bcm6348-spi",
50 		spi_resources[0].end += BCM_6348_RSET_SPI_SIZE - 1;
51 	}
52 
53 	if (BCMCPU_IS_3368() || BCMCPU_IS_6358() || BCMCPU_IS_6362() ||
54 		BCMCPU_IS_6368()) {
55 		bcm63xx_spi_device.name = "bcm6358-spi",
56 		spi_resources[0].end += BCM_6358_RSET_SPI_SIZE - 1;
57 	}
58 
59 	return platform_device_register(&bcm63xx_spi_device);
60 }
61