1/* linux/arch/arm/plat-s3c/dev-i2c1.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 1 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 27static struct resource s3c_i2c_resource[] = { 28 [0] = { 29 .start = S3C_PA_IIC1, 30 .end = S3C_PA_IIC1 + SZ_4K - 1, 31 .flags = IORESOURCE_MEM, 32 }, 33 [1] = { 34 .start = IRQ_IIC1, 35 .end = IRQ_IIC1, 36 .flags = IORESOURCE_IRQ, 37 }, 38}; 39 40struct platform_device s3c_device_i2c1 = { 41 .name = "s3c2410-i2c", 42 .id = 1, 43 .num_resources = ARRAY_SIZE(s3c_i2c_resource), 44 .resource = s3c_i2c_resource, 45}; 46 47static struct s3c2410_platform_i2c default_i2c_data1 __initdata = { 48 .flags = 0, 49 .bus_num = 1, 50 .slave_addr = 0x10, 51 .frequency = 100*1000, 52 .sda_delay = 100, 53}; 54 55void __init s3c_i2c1_set_platdata(struct s3c2410_platform_i2c *pd) 56{ 57 struct s3c2410_platform_i2c *npd; 58 59 if (!pd) 60 pd = &default_i2c_data1; 61 62 npd = kmemdup(pd, sizeof(struct s3c2410_platform_i2c), GFP_KERNEL); 63 if (!npd) 64 printk(KERN_ERR "%s: no memory for platform data\n", __func__); 65 else if (!npd->cfg_gpio) 66 npd->cfg_gpio = s3c_i2c1_cfg_gpio; 67 68 s3c_device_i2c1.dev.platform_data = npd; 69} 70