Gitweb: http://git.kernel.org/linus/facdf0ed4f594485fb2a1d2d024a150924c6b01c
Commit: facdf0ed4f594485fb2a1d2d024a150924c6b01c
Parent: a5505464c7c133d01f409426982aa28da111ceb8
Author: Greg Ungerer <gerg@uclinux.org>
AuthorDate: Wed Mar 4 10:43:06 2009 +1000
Committer: Greg Ungerer <gerg@uclinux.org>
CommitDate: Tue Mar 24 15:17:45 2009 +1000
m68knommu: introduce basic clk infrastructure
Create basic support for clk API. Recent changes to the FEC driver
(used by many ColdFire family parts) need this. Initially only
supports getting the master clock frequency.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
---
arch/m68knommu/platform/coldfire/Makefile | 2 +-
arch/m68knommu/platform/coldfire/clk.c | 40 +++++++++++++++++++++++++++++
2 files changed, 41 insertions(+), 1 deletions(-)
diff --git a/arch/m68knommu/platform/coldfire/Makefile b/arch/m68knommu/platform/coldfire/Makefile
index 4f416a9..1bcb937 100644
--- a/arch/m68knommu/platform/coldfire/Makefile
+++ b/arch/m68knommu/platform/coldfire/Makefile
@@ -14,7 +14,7 @@
asflags-$(CONFIG_FULLDEBUG) := -DDEBUGGER_COMPATIBLE_CACHE=1
-obj-$(CONFIG_COLDFIRE) += dma.o entry.o vectors.o
+obj-$(CONFIG_COLDFIRE) += clk.o dma.o entry.o vectors.o
obj-$(CONFIG_M5206) += timers.o
obj-$(CONFIG_M5206e) += timers.o
obj-$(CONFIG_M520x) += pit.o
diff --git a/arch/m68knommu/platform/coldfire/clk.c b/arch/m68knommu/platform/coldfire/clk.c
new file mode 100644
index 0000000..7cdbf44
--- /dev/null
+++ b/arch/m68knommu/platform/coldfire/clk.c
@@ -0,0 +1,40 @@
+/***************************************************************************/
+
+/*
+ * clk.c -- general ColdFire CPU kernel clk handling
+ *
+ * Copyright (C) 2009, Greg Ungerer (gerg@snapgear.com)
+ */
+
+/***************************************************************************/
+
+#include <linux/kernel.h>
+#include <linux/clk.h>
+#include <asm/coldfire.h>
+
+/***************************************************************************/
+
+struct clk *clk_get(struct device *dev, const char *id)
+{
+ return NULL;
+}
+
+int clk_enable(struct clk *clk)
+{
+ return 0;
+}
+
+void clk_disable(struct clk *clk)
+{
+}
+
+void clk_put(struct clk *clk)
+{
+}
+
+unsigned long clk_get_rate(struct clk *clk)
+{
+ return MCF_CLK;
+}
+
+/***************************************************************************/
--
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