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author | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-05-24 23:08:52 +0100 |
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committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-05-24 23:08:52 +0100 |
commit | 119c4b1257e44d9ec981465ccb80aba427a96dda (patch) | |
tree | 059647211002acf6bd0a6137b310d212b5653f7a /arch/arm/plat-samsung/dev-i2c2.c | |
parent | ARM: 6141/1: Add audio support part in arch/arm/mach-w90x900 (diff) | |
parent | Merge branch 'for-rmk/samsung3' of git://git.fluff.org/bjdooks/linux into devel-stable (diff) | |
download | linux-dev-119c4b1257e44d9ec981465ccb80aba427a96dda.tar.xz linux-dev-119c4b1257e44d9ec981465ccb80aba427a96dda.zip |
Merge branch 'devel-stable' into devel
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 @@ +/* linux/arch/arm/plat-s3c/dev-i2c2.c + * + * Copyright (c) 2010 Samsung Electronics Co., Ltd. + * http://www.samsung.com/ + * + * S3C series device definition for i2c device 2 + * + * Based on plat-samsung/dev-i2c0.c + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include <linux/gfp.h> +#include <linux/kernel.h> +#include <linux/string.h> +#include <linux/platform_device.h> + +#include <mach/irqs.h> +#include <mach/map.h> + +#include <plat/regs-iic.h> +#include <plat/iic.h> +#include <plat/devs.h> +#include <plat/cpu.h> + +static struct resource s3c_i2c_resource[] = { + [0] = { + .start = S3C_PA_IIC2, + .end = S3C_PA_IIC2 + SZ_4K - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_CAN0, + .end = IRQ_CAN0, + .flags = IORESOURCE_IRQ, + }, +}; + +struct platform_device s3c_device_i2c2 = { + .name = "s3c2410-i2c", + .id = 2, + .num_resources = ARRAY_SIZE(s3c_i2c_resource), + .resource = s3c_i2c_resource, +}; + +static struct s3c2410_platform_i2c default_i2c_data2 __initdata = { + .flags = 0, + .bus_num = 2, + .slave_addr = 0x10, + .frequency = 100*1000, + .sda_delay = 100, +}; + +void __init s3c_i2c2_set_platdata(struct s3c2410_platform_i2c *pd) +{ + struct s3c2410_platform_i2c *npd; + + if (!pd) + pd = &default_i2c_data2; + + npd = kmemdup(pd, sizeof(struct s3c2410_platform_i2c), GFP_KERNEL); + if (!npd) + printk(KERN_ERR "%s: no memory for platform data\n", __func__); + else if (!npd->cfg_gpio) + npd->cfg_gpio = s3c_i2c2_cfg_gpio; + + s3c_device_i2c2.dev.platform_data = npd; +} |