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Marek Szyprowskic8d833b2010-05-20 08:13:06 +02001/* linux/arch/arm/plat-s3c/dev-i2c2.c
2 *
3 * Copyright (c) 2010 Samsung Electronics Co., Ltd.
4 * http://www.samsung.com/
5 *
6 * S3C series device definition for i2c device 2
7 *
8 * Based on plat-samsung/dev-i2c0.c
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License version 2 as
12 * published by the Free Software Foundation.
13*/
14
15#include <linux/gfp.h>
16#include <linux/kernel.h>
17#include <linux/string.h>
18#include <linux/platform_device.h>
19
20#include <mach/irqs.h>
21#include <mach/map.h>
22
23#include <plat/regs-iic.h>
24#include <plat/iic.h>
25#include <plat/devs.h>
26#include <plat/cpu.h>
27
28static struct resource s3c_i2c_resource[] = {
29 [0] = {
30 .start = S3C_PA_IIC2,
31 .end = S3C_PA_IIC2 + SZ_4K - 1,
32 .flags = IORESOURCE_MEM,
33 },
34 [1] = {
Kyungmin Park023c75c2010-10-12 07:49:18 +090035 .start = IRQ_IIC2,
36 .end = IRQ_IIC2,
Marek Szyprowskic8d833b2010-05-20 08:13:06 +020037 .flags = IORESOURCE_IRQ,
38 },
39};
40
41struct platform_device s3c_device_i2c2 = {
42 .name = "s3c2410-i2c",
43 .id = 2,
44 .num_resources = ARRAY_SIZE(s3c_i2c_resource),
45 .resource = s3c_i2c_resource,
46};
47
48static struct s3c2410_platform_i2c default_i2c_data2 __initdata = {
49 .flags = 0,
50 .bus_num = 2,
51 .slave_addr = 0x10,
52 .frequency = 100*1000,
53 .sda_delay = 100,
54};
55
56void __init s3c_i2c2_set_platdata(struct s3c2410_platform_i2c *pd)
57{
58 struct s3c2410_platform_i2c *npd;
59
60 if (!pd)
61 pd = &default_i2c_data2;
62
63 npd = kmemdup(pd, sizeof(struct s3c2410_platform_i2c), GFP_KERNEL);
64 if (!npd)
65 printk(KERN_ERR "%s: no memory for platform data\n", __func__);
66 else if (!npd->cfg_gpio)
67 npd->cfg_gpio = s3c_i2c2_cfg_gpio;
68
69 s3c_device_i2c2.dev.platform_data = npd;
70}