summaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-nomadik/clock.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-nomadik/clock.c')
-rw-r--r--arch/arm/mach-nomadik/clock.c45
1 files changed, 45 insertions, 0 deletions
diff --git a/arch/arm/mach-nomadik/clock.c b/arch/arm/mach-nomadik/clock.c
new file mode 100644
index 0000000..9f92502
--- /dev/null
+++ b/arch/arm/mach-nomadik/clock.c
@@ -0,0 +1,45 @@
+/*
+ * linux/arch/arm/mach-nomadik/clock.c
+ *
+ * Copyright (C) 2009 Alessandro Rubini
+ */
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/errno.h>
+#include <linux/clk.h>
+#include <asm/clkdev.h>
+#include "clock.h"
+
+/*
+ * The nomadik board uses generic clocks, but the serial pl011 file
+ * calls clk_enable(), clk_disable(), clk_get_rate(), so we provide them
+ */
+unsigned long clk_get_rate(struct clk *clk)
+{
+ return clk->rate;
+}
+EXPORT_SYMBOL(clk_get_rate);
+
+/* enable and disable do nothing */
+int clk_enable(struct clk *clk)
+{
+ return 0;
+}
+EXPORT_SYMBOL(clk_enable);
+
+void clk_disable(struct clk *clk)
+{
+}
+EXPORT_SYMBOL(clk_disable);
+
+/* Create a clock structure with the given name */
+int nmdk_clk_create(struct clk *clk, const char *dev_id)
+{
+ struct clk_lookup *clkdev;
+
+ clkdev = clkdev_alloc(clk, NULL, dev_id);
+ if (!clkdev)
+ return -ENOMEM;
+ clkdev_add(clkdev);
+ return 0;
+}
OpenPOWER on IntegriCloud