Root/arch/arm/plat-samsung/dev-i2c7.c

1/* linux/arch/arm/plat-samsung/dev-i2c7.c
2 *
3 * Copyright (c) 2010 Samsung Electronics Co., Ltd.
4 * http://www.samsung.com/
5 *
6 * S5P series device definition for i2c device 7
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
11 */
12
13#include <linux/gfp.h>
14#include <linux/kernel.h>
15#include <linux/string.h>
16#include <linux/platform_device.h>
17
18#include <mach/irqs.h>
19#include <mach/map.h>
20
21#include <plat/regs-iic.h>
22#include <plat/iic.h>
23#include <plat/devs.h>
24#include <plat/cpu.h>
25
26static struct resource s3c_i2c_resource[] = {
27    [0] = {
28        .start = S3C_PA_IIC7,
29        .end = S3C_PA_IIC7 + SZ_4K - 1,
30        .flags = IORESOURCE_MEM,
31    },
32    [1] = {
33        .start = IRQ_IIC7,
34        .end = IRQ_IIC7,
35        .flags = IORESOURCE_IRQ,
36    },
37};
38
39struct platform_device s3c_device_i2c7 = {
40    .name = "s3c2440-i2c",
41    .id = 7,
42    .num_resources = ARRAY_SIZE(s3c_i2c_resource),
43    .resource = s3c_i2c_resource,
44};
45
46static struct s3c2410_platform_i2c default_i2c_data7 __initdata = {
47    .flags = 0,
48    .bus_num = 7,
49    .slave_addr = 0x10,
50    .frequency = 100*1000,
51    .sda_delay = 100,
52};
53
54void __init s3c_i2c7_set_platdata(struct s3c2410_platform_i2c *pd)
55{
56    struct s3c2410_platform_i2c *npd;
57
58    if (!pd)
59        pd = &default_i2c_data7;
60
61    npd = kmemdup(pd, sizeof(struct s3c2410_platform_i2c), GFP_KERNEL);
62    if (!npd)
63        printk(KERN_ERR "%s: no memory for platform data\n", __func__);
64    else if (!npd->cfg_gpio)
65        npd->cfg_gpio = s3c_i2c7_cfg_gpio;
66
67    s3c_device_i2c7.dev.platform_data = npd;
68}
69

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