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authorMarc Kleine-Budde <mkl@pengutronix.de>2011-02-02 13:50:30 +0100
committerSascha Hauer <s.hauer@pengutronix.de>2011-02-03 15:11:19 +0100
commit22cbba1b82de458028f4aa270e88492b622c1ea8 (patch)
tree278dae4fd5b159d4721381b954070e0d0125713b /arch/arm/mach-mxs/devices
parent6ea038a7771be6652784fd06ad01f44028e3a43c (diff)
ARM: mxs: dynamically register flexcan devices for mx28
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de> Signed-off-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/Kconfig4
-rw-r--r--arch/arm/mach-mxs/devices/Makefile1
-rw-r--r--arch/arm/mach-mxs/devices/platform-flexcan.c51
3 files changed, 56 insertions, 0 deletions
diff --git a/arch/arm/mach-mxs/devices/Kconfig b/arch/arm/mach-mxs/devices/Kconfig
index 3001b754948a..6c65b6716cf7 100644
--- a/arch/arm/mach-mxs/devices/Kconfig
+++ b/arch/arm/mach-mxs/devices/Kconfig
@@ -7,3 +7,7 @@ config MXS_HAVE_PLATFORM_AUART
config MXS_HAVE_PLATFORM_FEC
bool
+
+config MXS_HAVE_PLATFORM_FLEXCAN
+ select HAVE_CAN_FLEXCAN if CAN
+ bool
diff --git a/arch/arm/mach-mxs/devices/Makefile b/arch/arm/mach-mxs/devices/Makefile
index c814d054bad7..a8dc8d5f6e1e 100644
--- a/arch/arm/mach-mxs/devices/Makefile
+++ b/arch/arm/mach-mxs/devices/Makefile
@@ -1,3 +1,4 @@
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
diff --git a/arch/arm/mach-mxs/devices/platform-flexcan.c b/arch/arm/mach-mxs/devices/platform-flexcan.c
new file mode 100644
index 000000000000..43a6b4bae6fe
--- /dev/null
+++ b/arch/arm/mach-mxs/devices/platform-flexcan.c
@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) 2010, 2011 Pengutronix,
+ * Marc Kleine-Budde <kernel@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_flexcan_data_entry_single(soc, _id, _hwid, _size) \
+ { \
+ .id = _id, \
+ .iobase = soc ## _CAN ## _hwid ## _BASE_ADDR, \
+ .iosize = _size, \
+ .irq = soc ## _INT_CAN ## _hwid, \
+ }
+
+#define mxs_flexcan_data_entry(soc, _id, _hwid, _size) \
+ [_id] = mxs_flexcan_data_entry_single(soc, _id, _hwid, _size)
+
+#ifdef CONFIG_SOC_IMX28
+const struct mxs_flexcan_data mx28_flexcan_data[] __initconst = {
+#define mx28_flexcan_data_entry(_id, _hwid) \
+ mxs_flexcan_data_entry_single(MX28, _id, _hwid, SZ_8K)
+ mx28_flexcan_data_entry(0, 0),
+ mx28_flexcan_data_entry(1, 1),
+};
+#endif /* ifdef CONFIG_SOC_IMX28 */
+
+struct platform_device *__init mxs_add_flexcan(
+ const struct mxs_flexcan_data *data,
+ const struct flexcan_platform_data *pdata)
+{
+ struct resource res[] = {
+ {
+ .start = data->iobase,
+ .end = data->iobase + data->iosize - 1,
+ .flags = IORESOURCE_MEM,
+ }, {
+ .start = data->irq,
+ .end = data->irq,
+ .flags = IORESOURCE_IRQ,
+ },
+ };
+
+ return mxs_add_platform_device("flexcan", data->id,
+ res, ARRAY_SIZE(res), pdata, sizeof(*pdata));
+}