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/arm/mach-pxa/clock-pxa2xx.c | 55 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 55 insertions(+)
 create mode 100644 arch/arm/mach-pxa/clock-pxa2xx.c

(limited to 'arch/arm/mach-pxa/clock-pxa2xx.c')

diff --git a/arch/arm/mach-pxa/clock-pxa2xx.c b/arch/arm/mach-pxa/clock-pxa2xx.c
new file mode 100644
index 00000000..9ee2ad6a
--- /dev/null
+++ b/arch/arm/mach-pxa/clock-pxa2xx.c
@@ -0,0 +1,55 @@
+/*
+ * linux/arch/arm/mach-pxa/clock-pxa2xx.c
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/io.h>
+#include <linux/syscore_ops.h>
+
+#include <mach/pxa2xx-regs.h>
+
+#include "clock.h"
+
+void clk_pxa2xx_cken_enable(struct clk *clk)
+{
+	CKEN |= 1 << clk->cken;
+}
+
+void clk_pxa2xx_cken_disable(struct clk *clk)
+{
+	CKEN &= ~(1 << clk->cken);
+}
+
+const struct clkops clk_pxa2xx_cken_ops = {
+	.enable		= clk_pxa2xx_cken_enable,
+	.disable	= clk_pxa2xx_cken_disable,
+};
+
+#ifdef CONFIG_PM
+static uint32_t saved_cken;
+
+static int pxa2xx_clock_suspend(void)
+{
+	saved_cken = CKEN;
+	return 0;
+}
+
+static void pxa2xx_clock_resume(void)
+{
+	CKEN = saved_cken;
+}
+#else
+#define pxa2xx_clock_suspend	NULL
+#define pxa2xx_clock_resume	NULL
+#endif
+
+struct syscore_ops pxa2xx_clock_syscore_ops = {
+	.suspend	= pxa2xx_clock_suspend,
+	.resume		= pxa2xx_clock_resume,
+};
-- 
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