diff options
author | Jonathan Herman <hermanjl@cs.unc.edu> | 2013-01-22 10:38:37 -0500 |
---|---|---|
committer | Jonathan Herman <hermanjl@cs.unc.edu> | 2013-01-22 10:38:37 -0500 |
commit | fcc9d2e5a6c89d22b8b773a64fb4ad21ac318446 (patch) | |
tree | a57612d1888735a2ec7972891b68c1ac5ec8faea /arch/arm/plat-samsung/dev-i2c0.c | |
parent | 8dea78da5cee153b8af9c07a2745f6c55057fe12 (diff) |
Diffstat (limited to 'arch/arm/plat-samsung/dev-i2c0.c')
-rw-r--r-- | arch/arm/plat-samsung/dev-i2c0.c | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/arch/arm/plat-samsung/dev-i2c0.c b/arch/arm/plat-samsung/dev-i2c0.c new file mode 100644 index 00000000000..f8251f5098b --- /dev/null +++ b/arch/arm/plat-samsung/dev-i2c0.c | |||
@@ -0,0 +1,70 @@ | |||
1 | /* linux/arch/arm/plat-s3c/dev-i2c0.c | ||
2 | * | ||
3 | * Copyright 2008-2009 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/gfp.h> | ||
15 | #include <linux/kernel.h> | ||
16 | #include <linux/string.h> | ||
17 | #include <linux/platform_device.h> | ||
18 | |||
19 | #include <mach/irqs.h> | ||
20 | #include <mach/map.h> | ||
21 | |||
22 | #include <plat/regs-iic.h> | ||
23 | #include <plat/iic.h> | ||
24 | #include <plat/devs.h> | ||
25 | #include <plat/cpu.h> | ||
26 | |||
27 | static struct resource s3c_i2c_resource[] = { | ||
28 | [0] = { | ||
29 | .start = S3C_PA_IIC, | ||
30 | .end = S3C_PA_IIC + SZ_4K - 1, | ||
31 | .flags = IORESOURCE_MEM, | ||
32 | }, | ||
33 | [1] = { | ||
34 | .start = IRQ_IIC, | ||
35 | .end = IRQ_IIC, | ||
36 | .flags = IORESOURCE_IRQ, | ||
37 | }, | ||
38 | }; | ||
39 | |||
40 | struct platform_device s3c_device_i2c0 = { | ||
41 | .name = "s3c2410-i2c", | ||
42 | #ifdef CONFIG_S3C_DEV_I2C1 | ||
43 | .id = 0, | ||
44 | #else | ||
45 | .id = -1, | ||
46 | #endif | ||
47 | .num_resources = ARRAY_SIZE(s3c_i2c_resource), | ||
48 | .resource = s3c_i2c_resource, | ||
49 | }; | ||
50 | |||
51 | struct s3c2410_platform_i2c default_i2c_data __initdata = { | ||
52 | .flags = 0, | ||
53 | .slave_addr = 0x10, | ||
54 | .frequency = 100*1000, | ||
55 | .sda_delay = 100, | ||
56 | }; | ||
57 | |||
58 | void __init s3c_i2c0_set_platdata(struct s3c2410_platform_i2c *pd) | ||
59 | { | ||
60 | struct s3c2410_platform_i2c *npd; | ||
61 | |||
62 | if (!pd) | ||
63 | pd = &default_i2c_data; | ||
64 | |||
65 | npd = s3c_set_platdata(pd, sizeof(struct s3c2410_platform_i2c), | ||
66 | &s3c_device_i2c0); | ||
67 | |||
68 | if (!npd->cfg_gpio) | ||
69 | npd->cfg_gpio = s3c_i2c0_cfg_gpio; | ||
70 | } | ||