summaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-mxs/devices
diff options
context:
space:
mode:
authorShawn Guo <shawn.guo@freescale.com>2010-12-09 23:12:46 +0800
committerUwe Kleine-König <u.kleine-koenig@pengutronix.de>2010-12-20 17:30:24 +0100
commitdc38ad4052a50b9e73fdcc970ecdd4f69ee9d97a (patch)
treeec28c5e9afacaca46ee2ab96cbef939eefe254bc /arch/arm/mach-mxs/devices
parentfaff3dc947738ce7c905a4a2936a089d3fa9ddda (diff)
downloadop-kernel-dev-dc38ad4052a50b9e73fdcc970ecdd4f69ee9d97a.zip
op-kernel-dev-dc38ad4052a50b9e73fdcc970ecdd4f69ee9d97a.tar.gz
ARM: mxs: Dynamically allocate duart devices
Dynamically allocate duart devices for MX23 and MX28. Signed-off-by: Shawn Guo <shawn.guo@freescale.com> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Diffstat (limited to 'arch/arm/mach-mxs/devices')
-rw-r--r--arch/arm/mach-mxs/devices/platform-duart.c48
1 files changed, 48 insertions, 0 deletions
diff --git a/arch/arm/mach-mxs/devices/platform-duart.c b/arch/arm/mach-mxs/devices/platform-duart.c
new file mode 100644
index 0000000..2fe0df5
--- /dev/null
+++ b/arch/arm/mach-mxs/devices/platform-duart.c
@@ -0,0 +1,48 @@
+/*
+ * Copyright (C) 2009-2010 Pengutronix
+ * Uwe Kleine-Koenig <u.kleine-koenig@pengutronix.de>
+ *
+ * Copyright 2010 Freescale Semiconductor, Inc. All Rights Reserved.
+ *
+ * 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 <mach/mx23.h>
+#include <mach/mx28.h>
+#include <mach/devices-common.h>
+
+#define mxs_duart_data_entry(soc) \
+ { \
+ .iobase = soc ## _DUART_BASE_ADDR, \
+ .irq = soc ## _INT_DUART, \
+ }
+
+#ifdef CONFIG_SOC_IMX23
+const struct mxs_duart_data mx23_duart_data __initconst =
+ mxs_duart_data_entry(MX23);
+#endif
+
+#ifdef CONFIG_SOC_IMX28
+const struct mxs_duart_data mx28_duart_data __initconst =
+ mxs_duart_data_entry(MX28);
+#endif
+
+struct platform_device *__init mxs_add_duart(
+ const struct mxs_duart_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("mxs-duart", 0, res, ARRAY_SIZE(res),
+ NULL, 0);
+}
OpenPOWER on IntegriCloud