[Feature]add MT2731_MP2_MR2_SVN388 baseline version
Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/arch/arm/mach-w90x900/clock.c b/src/kernel/linux/v4.14/arch/arm/mach-w90x900/clock.c
new file mode 100644
index 0000000..3f93fac
--- /dev/null
+++ b/src/kernel/linux/v4.14/arch/arm/mach-w90x900/clock.c
@@ -0,0 +1,124 @@
+/*
+ * linux/arch/arm/mach-w90x900/clock.c
+ *
+ * Copyright (c) 2008 Nuvoton technology corporation
+ *
+ * Wan ZongShun <mcuos.com@gmail.com>
+ *
+ * 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.
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/list.h>
+#include <linux/errno.h>
+#include <linux/err.h>
+#include <linux/string.h>
+#include <linux/clk.h>
+#include <linux/spinlock.h>
+#include <linux/platform_device.h>
+#include <linux/io.h>
+
+#include <mach/hardware.h>
+
+#include "clock.h"
+
+#define SUBCLK 0x24
+
+static DEFINE_SPINLOCK(clocks_lock);
+
+int clk_enable(struct clk *clk)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&clocks_lock, flags);
+ if (clk->enabled++ == 0)
+ (clk->enable)(clk, 1);
+ spin_unlock_irqrestore(&clocks_lock, flags);
+
+ return 0;
+}
+EXPORT_SYMBOL(clk_enable);
+
+void clk_disable(struct clk *clk)
+{
+ unsigned long flags;
+
+ if (!clk)
+ return;
+
+ WARN_ON(clk->enabled == 0);
+
+ spin_lock_irqsave(&clocks_lock, flags);
+ if (--clk->enabled == 0)
+ (clk->enable)(clk, 0);
+ spin_unlock_irqrestore(&clocks_lock, flags);
+}
+EXPORT_SYMBOL(clk_disable);
+
+unsigned long clk_get_rate(struct clk *clk)
+{
+ return 15000000;
+}
+EXPORT_SYMBOL(clk_get_rate);
+
+void nuc900_clk_enable(struct clk *clk, int enable)
+{
+ unsigned int clocks = clk->cken;
+ unsigned long clken;
+
+ clken = __raw_readl(W90X900_VA_CLKPWR);
+
+ if (enable)
+ clken |= clocks;
+ else
+ clken &= ~clocks;
+
+ __raw_writel(clken, W90X900_VA_CLKPWR);
+}
+
+void nuc900_subclk_enable(struct clk *clk, int enable)
+{
+ unsigned int clocks = clk->cken;
+ unsigned long clken;
+
+ clken = __raw_readl(W90X900_VA_CLKPWR + SUBCLK);
+
+ if (enable)
+ clken |= clocks;
+ else
+ clken &= ~clocks;
+
+ __raw_writel(clken, W90X900_VA_CLKPWR + SUBCLK);
+}
+
+/* dummy functions, should not be called */
+long clk_round_rate(struct clk *clk, unsigned long rate)
+{
+ WARN_ON(clk);
+ return 0;
+}
+EXPORT_SYMBOL(clk_round_rate);
+
+int clk_set_rate(struct clk *clk, unsigned long rate)
+{
+ WARN_ON(clk);
+ return 0;
+}
+EXPORT_SYMBOL(clk_set_rate);
+
+int clk_set_parent(struct clk *clk, struct clk *parent)
+{
+ WARN_ON(clk);
+ return 0;
+}
+EXPORT_SYMBOL(clk_set_parent);
+
+struct clk *clk_get_parent(struct clk *clk)
+{
+ WARN_ON(clk);
+ return NULL;
+}
+EXPORT_SYMBOL(clk_get_parent);