From 8e4bff4cab0ddac6060645b0715210484d02ff40 Mon Sep 17 00:00:00 2001
From: Yuval Adam <_@yuv.al>
Date: Wed, 30 Aug 2017 08:25:59 +0000
Subject: Initial file dump from open source release

---
 arch/mips/jz4740/pm.c | 53 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 53 insertions(+)
 create mode 100644 arch/mips/jz4740/pm.c

(limited to 'arch/mips/jz4740/pm.c')

diff --git a/arch/mips/jz4740/pm.c b/arch/mips/jz4740/pm.c
new file mode 100644
index 00000000..d8e21301
--- /dev/null
+++ b/arch/mips/jz4740/pm.c
@@ -0,0 +1,53 @@
+/*
+ *  Copyright (C) 2010, Lars-Peter Clausen <lars@metafoo.de>
+ *	JZ4740 SoC power management support
+ *
+ *  This program is free software; you can redistribute it and/or modify it
+ *  under  the terms of the GNU General	 Public License as published by the
+ *  Free Software Foundation;  either version 2 of the License, or (at your
+ *  option) any later version.
+ *
+ *  You should have received a copy of the GNU General Public License along
+ *  with this program; if not, write to the Free Software Foundation, Inc.,
+ *  675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#include <linux/init.h>
+#include <linux/pm.h>
+#include <linux/delay.h>
+#include <linux/suspend.h>
+
+#include <asm/mach-jz4740/clock.h>
+
+#include "clock.h"
+
+static int jz4740_pm_enter(suspend_state_t state)
+{
+	jz4740_clock_suspend();
+
+	jz4740_clock_set_wait_mode(JZ4740_WAIT_MODE_SLEEP);
+
+	__asm__(".set\tmips3\n\t"
+		"wait\n\t"
+		".set\tmips0");
+
+	jz4740_clock_set_wait_mode(JZ4740_WAIT_MODE_IDLE);
+
+	jz4740_clock_resume();
+
+	return 0;
+}
+
+static const struct platform_suspend_ops jz4740_pm_ops = {
+	.valid		= suspend_valid_only_mem,
+	.enter		= jz4740_pm_enter,
+};
+
+static int __init jz4740_pm_init(void)
+{
+	suspend_set_ops(&jz4740_pm_ops);
+	return 0;
+
+}
+late_initcall(jz4740_pm_init);
-- 
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