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author | Ben Dooks <ben-linux@fluff.org> | 2008-10-31 16:14:40 +0000 |
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committer | Ben Dooks <ben-linux@fluff.org> | 2008-12-15 23:40:26 +0000 |
commit | 3e1b776c2b9807d3af5945d5ece86dce9dfb0279 (patch) | |
tree | acad50c9e9e1b9a00c73f2d5aaec919408ba81ee /arch/arm/plat-s3c/dev-i2c0.c | |
parent | a2205cd2cbfb8fb217e6036f08773a09d1b6d75e (diff) | |
download | kernel_samsung_tuna-3e1b776c2b9807d3af5945d5ece86dce9dfb0279.zip kernel_samsung_tuna-3e1b776c2b9807d3af5945d5ece86dce9dfb0279.tar.gz kernel_samsung_tuna-3e1b776c2b9807d3af5945d5ece86dce9dfb0279.tar.bz2 |
[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 0000000..21870fd --- /dev/null +++ b/arch/arm/plat-s3c/dev-i2c0.c @@ -0,0 +1,67 @@ +/* linux/arch/arm/plat-s3c/dev-i2c0.c + * + * Copyright 2008 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * http://armlinux.simtec.co.uk/ + * + * S3C series device definition for i2c device 0 + * + * 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/kernel.h> +#include <linux/string.h> +#include <linux/platform_device.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_IIC, + .end = S3C_PA_IIC + SZ_4K - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_IIC, + .end = IRQ_IIC, + .flags = IORESOURCE_IRQ, + }, +}; + +struct platform_device s3c_device_i2c0 = { + .name = "s3c2410-i2c", + .id = -1, + .num_resources = ARRAY_SIZE(s3c_i2c_resource), + .resource = s3c_i2c_resource, +}; + +struct s3c2410_platform_i2c default_i2c_data __initdata = { + .flags = 0, + .slave_addr = 0x10, + .bus_freq = 100*1000, + .max_freq = 400*1000, + .sda_delay = S3C2410_IICLC_SDA_DELAY5 | S3C2410_IICLC_FILTER_ON, +}; + +void __init s3c_i2c0_set_platdata(struct s3c2410_platform_i2c *pd) +{ + struct s3c2410_platform_i2c *npd; + + if (!pd) + pd = &default_i2c_data; + + 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_i2c0_cfg_gpio; + + s3c_device_i2c0.dev.platform_data = npd; +} |