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authorSascha Hauer <s.hauer@pengutronix.de>2011-01-11 17:56:40 +0300
committerSascha Hauer <s.hauer@pengutronix.de>2011-01-25 10:39:58 +0300
commitcf3567aaad0304410e465a55313c8f0d25ef306d (patch)
tree03a13b3b00adb99515dca16bae67170308e79156 /arch/arm/mach-mxs/devices
parent47d37d6f94ccf32d302492f969209930b2411f9e (diff)
downloadlinux-cf3567aaad0304410e465a55313c8f0d25ef306d.tar.xz
ARM MXS: Add auart platform support for i.MX28
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-auart.c54
3 files changed, 58 insertions, 0 deletions
diff --git a/arch/arm/mach-mxs/devices/Kconfig b/arch/arm/mach-mxs/devices/Kconfig
index cf7dc1ae575b..3001b754948a 100644
--- a/arch/arm/mach-mxs/devices/Kconfig
+++ b/arch/arm/mach-mxs/devices/Kconfig
@@ -2,5 +2,8 @@ config MXS_HAVE_AMBA_DUART
bool
select ARM_AMBA
+config MXS_HAVE_PLATFORM_AUART
+ bool
+
config MXS_HAVE_PLATFORM_FEC
bool
diff --git a/arch/arm/mach-mxs/devices/Makefile b/arch/arm/mach-mxs/devices/Makefile
index d0a09f6934b8..c814d054bad7 100644
--- a/arch/arm/mach-mxs/devices/Makefile
+++ b/arch/arm/mach-mxs/devices/Makefile
@@ -1,2 +1,3 @@
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
diff --git a/arch/arm/mach-mxs/devices/platform-auart.c b/arch/arm/mach-mxs/devices/platform-auart.c
new file mode 100644
index 000000000000..f0dbf8a21456
--- /dev/null
+++ b/arch/arm/mach-mxs/devices/platform-auart.c
@@ -0,0 +1,54 @@
+/*
+ * Copyright (C) 2010 Pengutronix
+ * Sascha Hauer <s.hauer@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_auart_data_entry_single(soc, _id) \
+ { \
+ .id = _id, \
+ .iobase = soc ## _AUART ## _id ## _BASE_ADDR, \
+ .irq = soc ## _INT_AUART ## _id, \
+ }
+
+#define mxs_auart_data_entry(soc, _id) \
+ [_id] = mxs_auart_data_entry_single(soc, _id)
+
+#ifdef CONFIG_SOC_IMX28
+const struct mxs_auart_data mx28_auart_data[] __initconst = {
+#define mx28_auart_data_entry(_id) \
+ mxs_auart_data_entry(MX28, _id)
+ mx28_auart_data_entry(0),
+ mx28_auart_data_entry(1),
+ mx28_auart_data_entry(2),
+ mx28_auart_data_entry(3),
+ mx28_auart_data_entry(4),
+};
+#endif
+
+struct platform_device *__init mxs_add_auart(
+ const struct mxs_auart_data *data)
+{
+ struct resource res[] = {
+ {
+ .start = data->iobase,
+ .end = data->iobase + SZ_8K - 1,
+ .flags = IORESOURCE_MEM,
+ }, {
+ .start = data->irq,
+ .end = data->irq,
+ .flags = IORESOURCE_IRQ,
+ },
+ };
+
+ return mxs_add_platform_device_dmamask("mxs-auart", data->id,
+ res, ARRAY_SIZE(res), NULL, 0,
+ DMA_BIT_MASK(32));
+}
+