diff options
Diffstat (limited to 'arch/arm/plat-samsung/dev-i2c2.c')
-rw-r--r-- | arch/arm/plat-samsung/dev-i2c2.c | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/arch/arm/plat-samsung/dev-i2c2.c b/arch/arm/plat-samsung/dev-i2c2.c new file mode 100644 index 000000000000..07036dee09e7 --- /dev/null +++ b/arch/arm/plat-samsung/dev-i2c2.c | |||
@@ -0,0 +1,70 @@ | |||
1 | /* 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 | |||
28 | static 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] = { | ||
35 | .start = IRQ_CAN0, | ||
36 | .end = IRQ_CAN0, | ||
37 | .flags = IORESOURCE_IRQ, | ||
38 | }, | ||
39 | }; | ||
40 | |||
41 | struct 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 | |||
48 | static 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 | |||
56 | void __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 | } | ||