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Diffstat (limited to 'arch/arm/mach-mxs/devices/platform-auart.c')
-rw-r--r--arch/arm/mach-mxs/devices/platform-auart.c64
1 files changed, 64 insertions, 0 deletions
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 00000000000..796606cce0c
--- /dev/null
+++ b/arch/arm/mach-mxs/devices/platform-auart.c
@@ -0,0 +1,64 @@
+/*
+ * 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/mx23.h>
+#include <mach/mx28.h>
+#include <mach/devices-common.h>
+
+#define mxs_auart_data_entry_single(soc, _id, hwid) \
+ { \
+ .id = _id, \
+ .iobase = soc ## _AUART ## hwid ## _BASE_ADDR, \
+ .irq = soc ## _INT_AUART ## hwid, \
+ }
+
+#define mxs_auart_data_entry(soc, _id, hwid) \
+ [_id] = mxs_auart_data_entry_single(soc, _id, hwid)
+
+#ifdef CONFIG_SOC_IMX23
+const struct mxs_auart_data mx23_auart_data[] __initconst = {
+#define mx23_auart_data_entry(_id, hwid) \
+ mxs_auart_data_entry(MX23, _id, hwid)
+ mx23_auart_data_entry(0, 1),
+ mx23_auart_data_entry(1, 2),
+};
+#endif
+
+#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, _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));
+}
+