69 lines
1.5 KiB
C
69 lines
1.5 KiB
C
/* linux/arch/arm/plat-samsung/dev-i2c4.c
|
|
*
|
|
* Copyright (c) 2010 Samsung Electronics Co., Ltd.
|
|
* http://www.samsung.com/
|
|
*
|
|
* S5P series device definition for i2c device 3
|
|
*
|
|
* 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_IIC4,
|
|
.end = S3C_PA_IIC4 + SZ_4K - 1,
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
[1] = {
|
|
.start = IRQ_IIC4,
|
|
.end = IRQ_IIC4,
|
|
.flags = IORESOURCE_IRQ,
|
|
},
|
|
};
|
|
|
|
struct platform_device s3c_device_i2c4 = {
|
|
.name = "s3c2440-i2c",
|
|
.id = 4,
|
|
.num_resources = ARRAY_SIZE(s3c_i2c_resource),
|
|
.resource = s3c_i2c_resource,
|
|
};
|
|
|
|
static struct s3c2410_platform_i2c default_i2c_data4 __initdata = {
|
|
.flags = 0,
|
|
.bus_num = 4,
|
|
.slave_addr = 0x10,
|
|
.frequency = 100*1000,
|
|
.sda_delay = 100,
|
|
};
|
|
|
|
void __init s3c_i2c4_set_platdata(struct s3c2410_platform_i2c *pd)
|
|
{
|
|
struct s3c2410_platform_i2c *npd;
|
|
|
|
if (!pd)
|
|
pd = &default_i2c_data4;
|
|
|
|
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_i2c4_cfg_gpio;
|
|
|
|
s3c_device_i2c4.dev.platform_data = npd;
|
|
}
|