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Diffstat (limited to 'arch/arm/plat-samsung/dev-i2c4.c')
-rw-r--r--arch/arm/plat-samsung/dev-i2c4.c68
1 files changed, 68 insertions, 0 deletions
diff --git a/arch/arm/plat-samsung/dev-i2c4.c b/arch/arm/plat-samsung/dev-i2c4.c
new file mode 100644
index 00000000000..df2159e2daa
--- /dev/null
+++ b/arch/arm/plat-samsung/dev-i2c4.c
@@ -0,0 +1,68 @@
+/* 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;
+}