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authorWolfram Sang <w.sang@pengutronix.de>2011-02-28 19:40:04 +0300
committerSascha Hauer <s.hauer@pengutronix.de>2011-03-07 21:29:17 +0300
commit30feed37f21e00655475d8bf17bcea02221e53d2 (patch)
treec11e878cd649d8d2c1988430fd2b7372e277889c /arch/arm/mach-mxs/devices
parent19373c04b9c260b83e268e40e3210c01281efb6d (diff)
downloadlinux-30feed37f21e00655475d8bf17bcea02221e53d2.tar.xz
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>
Diffstat (limited to 'arch/arm/mach-mxs/devices')
-rw-r--r--arch/arm/mach-mxs/devices/Kconfig3
-rw-r--r--arch/arm/mach-mxs/devices/Makefile1
-rw-r--r--arch/arm/mach-mxs/devices/platform-mxs-i2c.c51
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);
+}