From 849369d6c66d3054688672f97d31fceb8e8230fb Mon Sep 17 00:00:00 2001 From: root Date: Fri, 25 Dec 2015 04:40:36 +0000 Subject: initial_commit --- arch/arm/plat-samsung/dev-i2c1.c | 69 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 69 insertions(+) create mode 100644 arch/arm/plat-samsung/dev-i2c1.c (limited to 'arch/arm/plat-samsung/dev-i2c1.c') diff --git a/arch/arm/plat-samsung/dev-i2c1.c b/arch/arm/plat-samsung/dev-i2c1.c new file mode 100644 index 00000000..858ee2a0 --- /dev/null +++ b/arch/arm/plat-samsung/dev-i2c1.c @@ -0,0 +1,69 @@ +/* linux/arch/arm/plat-s3c/dev-i2c1.c + * + * Copyright 2008-2009 Simtec Electronics + * Ben Dooks + * http://armlinux.simtec.co.uk/ + * + * S3C series device definition for i2c device 1 + * + * 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 +#include +#include +#include + +#include +#include + +#include +#include +#include +#include + +static struct resource s3c_i2c_resource[] = { + [0] = { + .start = S3C_PA_IIC1, + .end = S3C_PA_IIC1 + SZ_4K - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_IIC1, + .end = IRQ_IIC1, + .flags = IORESOURCE_IRQ, + }, +}; + +struct platform_device s3c_device_i2c1 = { + .name = "s3c2410-i2c", + .id = 1, + .num_resources = ARRAY_SIZE(s3c_i2c_resource), + .resource = s3c_i2c_resource, +}; + +static struct s3c2410_platform_i2c default_i2c_data1 __initdata = { + .flags = 0, + .bus_num = 1, + .slave_addr = 0x10, + .frequency = 100*1000, + .sda_delay = 100, +}; + +void __init s3c_i2c1_set_platdata(struct s3c2410_platform_i2c *pd) +{ + struct s3c2410_platform_i2c *npd; + + if (!pd) + pd = &default_i2c_data1; + + 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_i2c1_cfg_gpio; + + s3c_device_i2c1.dev.platform_data = npd; +} -- cgit v1.2.3