diff options
Diffstat (limited to 'arch/arm/plat-samsung/dev-i2c0.c')
| -rw-r--r-- | arch/arm/plat-samsung/dev-i2c0.c | 71 |
1 files changed, 71 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 000000000000..4c761529b949 --- /dev/null +++ b/arch/arm/plat-samsung/dev-i2c0.c | |||
| @@ -0,0 +1,71 @@ | |||
| 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/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 | |||
| 26 | static struct resource s3c_i2c_resource[] = { | ||
| 27 | [0] = { | ||
| 28 | .start = S3C_PA_IIC, | ||
| 29 | .end = S3C_PA_IIC + SZ_4K - 1, | ||
| 30 | .flags = IORESOURCE_MEM, | ||
| 31 | }, | ||
| 32 | [1] = { | ||
| 33 | .start = IRQ_IIC, | ||
| 34 | .end = IRQ_IIC, | ||
| 35 | .flags = IORESOURCE_IRQ, | ||
| 36 | }, | ||
| 37 | }; | ||
| 38 | |||
| 39 | struct platform_device s3c_device_i2c0 = { | ||
| 40 | .name = "s3c2410-i2c", | ||
| 41 | #ifdef CONFIG_S3C_DEV_I2C1 | ||
| 42 | .id = 0, | ||
| 43 | #else | ||
| 44 | .id = -1, | ||
| 45 | #endif | ||
| 46 | .num_resources = ARRAY_SIZE(s3c_i2c_resource), | ||
| 47 | .resource = s3c_i2c_resource, | ||
| 48 | }; | ||
| 49 | |||
| 50 | static struct s3c2410_platform_i2c default_i2c_data0 __initdata = { | ||
| 51 | .flags = 0, | ||
| 52 | .slave_addr = 0x10, | ||
| 53 | .frequency = 100*1000, | ||
| 54 | .sda_delay = 100, | ||
| 55 | }; | ||
| 56 | |||
| 57 | void __init s3c_i2c0_set_platdata(struct s3c2410_platform_i2c *pd) | ||
| 58 | { | ||
| 59 | struct s3c2410_platform_i2c *npd; | ||
| 60 | |||
| 61 | if (!pd) | ||
| 62 | pd = &default_i2c_data0; | ||
| 63 | |||
| 64 | npd = kmemdup(pd, sizeof(struct s3c2410_platform_i2c), GFP_KERNEL); | ||
| 65 | if (!npd) | ||
| 66 | printk(KERN_ERR "%s: no memory for platform data\n", __func__); | ||
| 67 | else if (!npd->cfg_gpio) | ||
| 68 | npd->cfg_gpio = s3c_i2c0_cfg_gpio; | ||
| 69 | |||
| 70 | s3c_device_i2c0.dev.platform_data = npd; | ||
| 71 | } | ||
