arm: mxs: add i2c-devices for mx28

Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

3 files changed, 55 insertions, 0 deletions

diff --git a/arch/arm/mach-mxs/devices/Kconfig b/arch/arm/mach-mxs/devices/Kconfig
index 3aeec246e746..a878915063ed 100644
--- a/arch/arm/mach-mxs/devices/Kconfig
+++ b/arch/arm/mach-mxs/devices/Kconfig
@@ -12,5 +12,8 @@ config MXS_HAVE_PLATFORM_FLEXCAN
         select HAVE_CAN_FLEXCAN if CAN
         bool
 
+config MXS_HAVE_PLATFORM_MXS_I2C
+        bool
+
 config MXS_HAVE_PLATFORM_MXS_PWM
         bool
diff --git a/arch/arm/mach-mxs/devices/Makefile b/arch/arm/mach-mxs/devices/Makefile
index 978310fcafd6..345b8399b80e 100644
--- a/arch/arm/mach-mxs/devices/Makefile
+++ b/arch/arm/mach-mxs/devices/Makefile
@@ -2,4 +2,5 @@ obj-$(CONFIG_MXS_HAVE_AMBA_DUART) += amba-duart.o
 obj-$(CONFIG_MXS_HAVE_PLATFORM_AUART) += platform-auart.o
 obj-$(CONFIG_MXS_HAVE_PLATFORM_FEC) += platform-fec.o
 obj-$(CONFIG_MXS_HAVE_PLATFORM_FLEXCAN) += platform-flexcan.o
+obj-$(CONFIG_MXS_HAVE_PLATFORM_MXS_I2C) += platform-mxs-i2c.o
 obj-$(CONFIG_MXS_HAVE_PLATFORM_MXS_PWM) += platform-mxs-pwm.o
diff --git a/arch/arm/mach-mxs/devices/platform-mxs-i2c.c b/arch/arm/mach-mxs/devices/platform-mxs-i2c.c
new file mode 100644
index 000000000000..eab3a06836d6
--- /dev/null
+++ b/arch/arm/mach-mxs/devices/platform-mxs-i2c.c
@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) 2011 Pengutronix
+ * Wolfram Sang <w.sang@pengutronix.de>
+ *
+ * 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 <asm/sizes.h>
+#include <mach/mx28.h>
+#include <mach/devices-common.h>
+
+#define mxs_i2c_data_entry_single(soc, _id)                             \
+        {                                                               \
+                .id = _id,                                              \
+                .iobase = soc ## _I2C ## _id ## _BASE_ADDR,             \
+                .errirq = soc ## _INT_I2C ## _id ## _ERROR,             \
+                .dmairq = soc ## _INT_I2C ## _id ## _DMA,               \
+        }
+
+#define mxs_i2c_data_entry(soc, _id)                                    \
+        [_id] = mxs_i2c_data_entry_single(soc, _id)
+
+#ifdef CONFIG_SOC_IMX28
+const struct mxs_i2c_data mx28_mxs_i2c_data[] __initconst = {
+        mxs_i2c_data_entry(MX28, 0),
+        mxs_i2c_data_entry(MX28, 1),
+};
+#endif
+
+struct platform_device *__init mxs_add_mxs_i2c(const struct mxs_i2c_data *data)
+{
+        struct resource res[] = {
+                {
+                        .start = data->iobase,
+                        .end = data->iobase + SZ_8K - 1,
+                        .flags = IORESOURCE_MEM,
+                }, {
+                        .start = data->errirq,
+                        .end = data->errirq,
+                        .flags = IORESOURCE_IRQ,
+                }, {
+                        .start = data->dmairq,
+                        .end = data->dmairq,
+                        .flags = IORESOURCE_IRQ,
+                },
+        };
+
+        return mxs_add_platform_device("mxs-i2c", data->id, res,
+                                        ARRAY_SIZE(res), NULL, 0);
+}