diff options
author | Ben Dooks <ben-linux@fluff.org> | 2008-10-31 12:14:40 -0400 |
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committer | Ben Dooks <ben-linux@fluff.org> | 2008-12-15 18:40:26 -0500 |
commit | 3e1b776c2b9807d3af5945d5ece86dce9dfb0279 (patch) | |
tree | acad50c9e9e1b9a00c73f2d5aaec919408ba81ee /arch/arm/plat-s3c/dev-i2c0.c | |
parent | a2205cd2cbfb8fb217e6036f08773a09d1b6d75e (diff) |
[ARM] S3C: Make i2c device definition common to plat-s3c
Make the device i2c0 common to plat-s3c and move the
definitions from arch/arm/plat-s3c24xx/devs.c
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Diffstat (limited to 'arch/arm/plat-s3c/dev-i2c0.c')
-rw-r--r-- | arch/arm/plat-s3c/dev-i2c0.c | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/arch/arm/plat-s3c/dev-i2c0.c b/arch/arm/plat-s3c/dev-i2c0.c new file mode 100644 index 000000000000..21870fd2ec98 --- /dev/null +++ b/arch/arm/plat-s3c/dev-i2c0.c | |||
@@ -0,0 +1,67 @@ | |||
1 | /* linux/arch/arm/plat-s3c/dev-i2c0.c | ||
2 | * | ||
3 | * Copyright 2008 Simtec Electronics | ||
4 | * Ben Dooks <ben@simtec.co.uk> | ||
5 | * http://armlinux.simtec.co.uk/ | ||
6 | * | ||
7 | * S3C series device definition for i2c device 0 | ||
8 | * | ||
9 | * This program is free software; you can redistribute it and/or modify | ||
10 | * it under the terms of the GNU General Public License version 2 as | ||
11 | * published by the Free Software Foundation. | ||
12 | */ | ||
13 | |||
14 | #include <linux/kernel.h> | ||
15 | #include <linux/string.h> | ||
16 | #include <linux/platform_device.h> | ||
17 | |||
18 | #include <mach/map.h> | ||
19 | |||
20 | #include <plat/regs-iic.h> | ||
21 | #include <plat/iic.h> | ||
22 | #include <plat/devs.h> | ||
23 | #include <plat/cpu.h> | ||
24 | |||
25 | static struct resource s3c_i2c_resource[] = { | ||
26 | [0] = { | ||
27 | .start = S3C_PA_IIC, | ||
28 | .end = S3C_PA_IIC + SZ_4K - 1, | ||
29 | .flags = IORESOURCE_MEM, | ||
30 | }, | ||
31 | [1] = { | ||
32 | .start = IRQ_IIC, | ||
33 | .end = IRQ_IIC, | ||
34 | .flags = IORESOURCE_IRQ, | ||
35 | }, | ||
36 | }; | ||
37 | |||
38 | struct platform_device s3c_device_i2c0 = { | ||
39 | .name = "s3c2410-i2c", | ||
40 | .id = -1, | ||
41 | .num_resources = ARRAY_SIZE(s3c_i2c_resource), | ||
42 | .resource = s3c_i2c_resource, | ||
43 | }; | ||
44 | |||
45 | struct s3c2410_platform_i2c default_i2c_data __initdata = { | ||
46 | .flags = 0, | ||
47 | .slave_addr = 0x10, | ||
48 | .bus_freq = 100*1000, | ||
49 | .max_freq = 400*1000, | ||
50 | .sda_delay = S3C2410_IICLC_SDA_DELAY5 | S3C2410_IICLC_FILTER_ON, | ||
51 | }; | ||
52 | |||
53 | void __init s3c_i2c0_set_platdata(struct s3c2410_platform_i2c *pd) | ||
54 | { | ||
55 | struct s3c2410_platform_i2c *npd; | ||
56 | |||
57 | if (!pd) | ||
58 | pd = &default_i2c_data; | ||
59 | |||
60 | npd = kmemdup(pd, sizeof(struct s3c2410_platform_i2c), GFP_KERNEL); | ||
61 | if (!npd) | ||
62 | printk(KERN_ERR "%s: no memory for platform data\n", __func__); | ||
63 | else if (!npd->cfg_gpio) | ||
64 | npd->cfg_gpio = s3c_i2c0_cfg_gpio; | ||
65 | |||
66 | s3c_device_i2c0.dev.platform_data = npd; | ||
67 | } | ||