1 files changed, 37 insertions, 0 deletions
diff --git a/arch/arm/mach-shmobile/cpuidle.c b/arch/arm/mach-shmobile/cpuidle.c
new file mode 100644
index 00000000000..0afeb5c7061
--- /dev/null
+++ b/arch/arm/mach-shmobile/cpuidle.c
@@ -0,0 +1,37 @@
+/*
+ * CPUIdle support code for SH-Mobile ARM
+ *
+ *  Copyright (C) 2011 Magnus Damm
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+
+#include <linux/pm.h>
+#include <linux/cpuidle.h>
+#include <linux/suspend.h>
+#include <linux/module.h>
+#include <linux/err.h>
+#include <asm/cpuidle.h>
+#include <asm/io.h>
+
+static struct cpuidle_driver shmobile_cpuidle_default_driver = {
+	.name			= "shmobile_cpuidle",
+	.owner			= THIS_MODULE,
+	.states[0]		= ARM_CPUIDLE_WFI_STATE,
+	.safe_state_index	= 0, /* C1 */
+	.state_count		= 1,
+};
+
+static struct cpuidle_driver *cpuidle_drv = &shmobile_cpuidle_default_driver;
+
+void __init shmobile_cpuidle_set_driver(struct cpuidle_driver *drv)
+{
+	cpuidle_drv = drv;
+}
+
+int __init shmobile_cpuidle_init(void)
+{
+	return cpuidle_register(cpuidle_drv, NULL);
+}