From 16a5e73a93a02c5af9af2c3528b1620828d81fc0 Mon Sep 17 00:00:00 2001
From: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com>
Date: Sat, 28 Nov 2009 08:15:01 +0100
Subject: [PATCH] --- yaml --- r: 172428 b: refs/heads/master c:
 c6b503caef9abefb2e90ac83f672b75dc14bacd0 h: refs/heads/master v: v3

---
 [refs]                                        |  2 +-
 trunk/arch/arm/mach-ux500/clock.c             | 95 +++++++++++++++++++
 .../arch/arm/mach-ux500/include/mach/clkdev.h |  7 ++
 3 files changed, 103 insertions(+), 1 deletion(-)
 create mode 100644 trunk/arch/arm/mach-ux500/clock.c
 create mode 100644 trunk/arch/arm/mach-ux500/include/mach/clkdev.h

diff --git a/[refs] b/[refs]
index 63b6ca4093ed..7339c701c241 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: ffae4e014a4bff7b904e4b5ace2ae453b9d93519
+refs/heads/master: c6b503caef9abefb2e90ac83f672b75dc14bacd0
diff --git a/trunk/arch/arm/mach-ux500/clock.c b/trunk/arch/arm/mach-ux500/clock.c
new file mode 100644
index 000000000000..20b6ebb6783a
--- /dev/null
+++ b/trunk/arch/arm/mach-ux500/clock.c
@@ -0,0 +1,95 @@
+/*
+ *  Copyright (C) 2009 ST-Ericsson
+ * 	heavily based on realview platform
+ *
+ * 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/list.h>
+#include <linux/errno.h>
+#include <linux/err.h>
+#include <linux/clk.h>
+#include <linux/mutex.h>
+
+#include <asm/clkdev.h>
+
+/* currently the clk structure
+ * just supports rate. This would
+ * be extended as and when new devices are
+ * added - TODO
+ */
+struct clk {
+	unsigned long		rate;
+};
+
+int clk_enable(struct clk *clk)
+{
+	return 0;
+}
+EXPORT_SYMBOL(clk_enable);
+
+void clk_disable(struct clk *clk)
+{
+}
+EXPORT_SYMBOL(clk_disable);
+
+unsigned long clk_get_rate(struct clk *clk)
+{
+	return clk->rate;
+}
+EXPORT_SYMBOL(clk_get_rate);
+
+long clk_round_rate(struct clk *clk, unsigned long rate)
+{
+	/*TODO*/
+	return rate;
+}
+EXPORT_SYMBOL(clk_round_rate);
+
+int clk_set_rate(struct clk *clk, unsigned long rate)
+{
+	clk->rate = rate;
+	return 0;
+}
+EXPORT_SYMBOL(clk_set_rate);
+
+/* ssp clock */
+static struct clk ssp_clk = {
+	.rate = 48000000,
+};
+
+/* fixed clock */
+static struct clk f38_clk = {
+	.rate = 38400000,
+};
+
+static struct clk_lookup lookups[] = {
+	{
+		/* UART0 */
+		.dev_id		= "uart0",
+		.clk		= &f38_clk,
+	}, {	/* UART1 */
+		.dev_id		= "uart1",
+		.clk		= &f38_clk,
+	}, {	/* UART2 */
+		.dev_id		= "uart2",
+		.clk		= &f38_clk,
+	}, {	/* SSP */
+		.dev_id		= "pl022",
+		.clk		= &ssp_clk,
+	}
+};
+
+static int __init clk_init(void)
+{
+	int i;
+
+	/* register the clock lookups */
+	for (i = 0; i < ARRAY_SIZE(lookups); i++)
+		clkdev_add(&lookups[i]);
+	return 0;
+}
+arch_initcall(clk_init);
diff --git a/trunk/arch/arm/mach-ux500/include/mach/clkdev.h b/trunk/arch/arm/mach-ux500/include/mach/clkdev.h
new file mode 100644
index 000000000000..04b37a89801c
--- /dev/null
+++ b/trunk/arch/arm/mach-ux500/include/mach/clkdev.h
@@ -0,0 +1,7 @@
+#ifndef __ASM_MACH_CLKDEV_H
+#define __ASM_MACH_CLKDEV_H
+
+#define __clk_get(clk) ({ 1; })
+#define __clk_put(clk) do { } while (0)
+
+#endif