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authorBen Dooks <ben-linux@fluff.org>2008-10-31 12:14:40 -0400
committerBen Dooks <ben-linux@fluff.org>2008-12-15 18:40:26 -0500
commit3e1b776c2b9807d3af5945d5ece86dce9dfb0279 (patch)
treeacad50c9e9e1b9a00c73f2d5aaec919408ba81ee /arch/arm/plat-s3c/dev-i2c0.c
parenta2205cd2cbfb8fb217e6036f08773a09d1b6d75e (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.c67
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
25static 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
38struct 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
45struct 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
53void __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}