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authorDomen Puncer <domen.puncer@telargo.com>2007-09-21 00:00:11 +1000
committerPaul Mackerras <paulus@samba.org>2007-10-03 09:11:56 +1000
commit6f6682809b994fd9a61081fa0410df31481d5f7f (patch)
treeb70e568099380de0671e50362dce8e7c77c9443d /include/asm-powerpc
parent21ccdd31e9c70f42b00d9ea152f6c4e0ff3f536e (diff)
[POWERPC] clk.h interface for platforms
This provides an implementation of the <linux/clk.h> interface for arch/powerpc using a set of function pointers in clk_functions. Platforms that want to support this interface should fill clk_functions and select CONFIG_PPC_CLOCK in Kconfig. Signed-off-by: Domen Puncer <domen.puncer@telargo.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'include/asm-powerpc')
-rw-r--r--include/asm-powerpc/clk_interface.h20
1 files changed, 20 insertions, 0 deletions
diff --git a/include/asm-powerpc/clk_interface.h b/include/asm-powerpc/clk_interface.h
new file mode 100644
index 00000000000..ab1882c1e17
--- /dev/null
+++ b/include/asm-powerpc/clk_interface.h
@@ -0,0 +1,20 @@
+#ifndef __ASM_POWERPC_CLK_INTERFACE_H
+#define __ASM_POWERPC_CLK_INTERFACE_H
+
+#include <linux/clk.h>
+
+struct clk_interface {
+ struct clk* (*clk_get) (struct device *dev, const char *id);
+ int (*clk_enable) (struct clk *clk);
+ void (*clk_disable) (struct clk *clk);
+ unsigned long (*clk_get_rate) (struct clk *clk);
+ void (*clk_put) (struct clk *clk);
+ long (*clk_round_rate) (struct clk *clk, unsigned long rate);
+ int (*clk_set_rate) (struct clk *clk, unsigned long rate);
+ int (*clk_set_parent) (struct clk *clk, struct clk *parent);
+ struct clk* (*clk_get_parent) (struct clk *clk);
+};
+
+extern struct clk_interface clk_functions;
+
+#endif /* __ASM_POWERPC_CLK_INTERFACE_H */