1 files changed, 42 insertions, 0 deletions
diff --git a/arch/arm/mach-omap1/pm_bus.c b/arch/arm/mach-omap1/pm_bus.c
new file mode 100644
index 000000000..c04619ac0
--- /dev/null
+++ b/arch/arm/mach-omap1/pm_bus.c
@@ -0,0 +1,42 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Runtime PM support code for OMAP1
+ *
+ * Author: Kevin Hilman, Deep Root Systems, LLC
+ *
+ * Copyright (C) 2010 Texas Instruments, Inc.
+ */
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/io.h>
+#include <linux/pm_runtime.h>
+#include <linux/pm_clock.h>
+#include <linux/platform_device.h>
+#include <linux/mutex.h>
+#include <linux/clk.h>
+#include <linux/err.h>
+
+#include "soc.h"
+
+static struct dev_pm_domain default_pm_domain = {
+	.ops = {
+		USE_PM_CLK_RUNTIME_OPS
+		USE_PLATFORM_PM_SLEEP_OPS
+	},
+};
+
+static struct pm_clk_notifier_block platform_bus_notifier = {
+	.pm_domain = &default_pm_domain,
+	.con_ids = { "ick", "fck", NULL, },
+};
+
+static int __init omap1_pm_runtime_init(void)
+{
+	if (!cpu_class_is_omap1())
+		return -ENODEV;
+
+	pm_clk_add_notifier(&platform_bus_type, &platform_bus_notifier);
+
+	return 0;
+}
+core_initcall(omap1_pm_runtime_init);