diff options
author | Kyungmin Park | 2010-10-12 07:49:24 +0900 |
---|---|---|
committer | Kukjin Kim | 2010-10-25 16:03:43 +0900 |
commit | b7a9825553e9213e5129f7e8e53065e918981a70 (patch) | |
tree | 80ed354a12576f90a0e7b3ff2bc4c6e9c52f2202 /arch/arm/plat-samsung/dev-i2c5.c | |
parent | 8a3710dfbfb9f2712e3df3861ee7d0e8573be943 (diff) |
ARM: S5PV310: Add I2C channel 3, 4, 5, 6, and 7 device support
S5PV310 and S5PC210 support more I2C devices than previous SoCs.
Add the device support code for them.
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Diffstat (limited to 'arch/arm/plat-samsung/dev-i2c5.c')
-rw-r--r-- | arch/arm/plat-samsung/dev-i2c5.c | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/arch/arm/plat-samsung/dev-i2c5.c b/arch/arm/plat-samsung/dev-i2c5.c new file mode 100644 index 000000000000..0499c2c3877b --- /dev/null +++ b/arch/arm/plat-samsung/dev-i2c5.c @@ -0,0 +1,68 @@ +/* linux/arch/arm/plat-samsung/dev-i2c3.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_IIC5, + .end = S3C_PA_IIC5 + SZ_4K - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_IIC5, + .end = IRQ_IIC5, + .flags = IORESOURCE_IRQ, + }, +}; + +struct platform_device s3c_device_i2c5 = { + .name = "s3c2440-i2c", + .id = 5, + .num_resources = ARRAY_SIZE(s3c_i2c_resource), + .resource = s3c_i2c_resource, +}; + +static struct s3c2410_platform_i2c default_i2c_data5 __initdata = { + .flags = 0, + .bus_num = 5, + .slave_addr = 0x10, + .frequency = 100*1000, + .sda_delay = 100, +}; + +void __init s3c_i2c5_set_platdata(struct s3c2410_platform_i2c *pd) +{ + struct s3c2410_platform_i2c *npd; + + if (!pd) + pd = &default_i2c_data5; + + 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_i2c5_cfg_gpio; + + s3c_device_i2c5.dev.platform_data = npd; +} |