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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /arch/arm/mach-omap1/pm_bus.c
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/arm/mach-omap1/pm_bus.c')
-rw-r--r--arch/arm/mach-omap1/pm_bus.c42
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);