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authorGrant Likely <grant.likely@secretlab.ca>2011-11-03 23:32:20 -0400
committerGrant Likely <grant.likely@secretlab.ca>2011-11-03 23:32:20 -0400
commit3983138c017b6aeab6ce3dbb1e9afbe80bdac496 (patch)
tree9fdcddfdb8ada91504c90e2551ba6a565ade7325 /arch/arm/mach-imx/localtimer.c
parented5f886d16369fed5a69d96b8e85777c47206de1 (diff)
parent02aac316abf436a7529d46a71f7083f9f9ef4b49 (diff)
downloadblackbird-op-linux-3983138c017b6aeab6ce3dbb1e9afbe80bdac496.tar.gz
blackbird-op-linux-3983138c017b6aeab6ce3dbb1e9afbe80bdac496.zip
Merge branch 'for-grant' of git://sources.calxeda.com/kernel/linux into devicetree/merge
Diffstat (limited to 'arch/arm/mach-imx/localtimer.c')
-rw-r--r--arch/arm/mach-imx/localtimer.c35
1 files changed, 35 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/localtimer.c b/arch/arm/mach-imx/localtimer.c
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+++ b/arch/arm/mach-imx/localtimer.c
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+/*
+ * Copyright 2011 Freescale Semiconductor, Inc.
+ * Copyright 2011 Linaro Ltd.
+ *
+ * The code contained herein is licensed under the GNU General Public
+ * License. You may obtain a copy of the GNU General Public License
+ * Version 2 or later at the following locations:
+ *
+ * http://www.opensource.org/licenses/gpl-license.html
+ * http://www.gnu.org/copyleft/gpl.html
+ */
+
+#include <linux/init.h>
+#include <linux/clockchips.h>
+#include <linux/of_address.h>
+#include <linux/of_irq.h>
+#include <asm/smp_twd.h>
+
+/*
+ * Setup the local clock events for a CPU.
+ */
+int __cpuinit local_timer_setup(struct clock_event_device *evt)
+{
+ struct device_node *np;
+
+ np = of_find_compatible_node(NULL, NULL, "arm,smp-twd");
+ if (!twd_base) {
+ twd_base = of_iomap(np, 0);
+ WARN_ON(!twd_base);
+ }
+ evt->irq = irq_of_parse_and_map(np, 0);
+ twd_timer_setup(evt);
+
+ return 0;
+}
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