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authorLinus Torvalds <torvalds@linux-foundation.org>2012-07-25 03:40:57 +0400
committerLinus Torvalds <torvalds@linux-foundation.org>2012-07-25 03:40:57 +0400
commit9161c3b796a2841a9a7be3d9c9dd121269ce90e8 (patch)
tree4920a191c4a2eecae1a4e055af7e967f1e769714 /include/linux/clk.h
parent97027da6adf2e24a4e8d3d9c0668da3006b29971 (diff)
parent137f8a7213d80c1388ca48280c1ef0856b6fec30 (diff)
downloadlinux-9161c3b796a2841a9a7be3d9c9dd121269ce90e8.tar.xz
Merge tag 'clk-for-linus' of git://git.linaro.org/people/mturquette/linux
Pull common clk framework changes from Michael Turquette: "This includes a small number of core framework improvments, platform ports and new DT bindings." Fix up trivial conflicts in drivers/clk/Makefile * tag 'clk-for-linus' of git://git.linaro.org/people/mturquette/linux: (21 commits) clk: fix compile for OF && !COMMON_CLK clk: fix clk_get on of_clk_get_by_name return check clk: mxs: clk_register_clkdev mx28 usb clocks clk: add highbank clock support dt: add clock binding doc to primecell bindings clk: add DT fixed-clock binding support clk: add DT clock binding support ARM: integrator: convert to common clock clk: add versatile ICST307 driver ARM: integrator: put symbolic bus names on devices ARM: u300: convert to common clock clk: cache parent clocks only for muxes clk: wm831x: Add initial WM831x clock driver clk: Constify struct clk_init_data clk: Add CLK_IS_BASIC flag to identify basic clocks clk: Add support for rate table based dividers clk: Add support for power of two type dividers clk: mxs: imx28: decrease the frequency of ref_io1 for SSP2 and SSP3 clk: mxs: add clkdev lookup for pwm clk: mxs: Fix the GPMI clock name ...
Diffstat (limited to 'include/linux/clk.h')
-rw-r--r--include/linux/clk.h20
1 files changed, 20 insertions, 0 deletions
diff --git a/include/linux/clk.h b/include/linux/clk.h
index f6fb40c8bf97..2fd6a4234531 100644
--- a/include/linux/clk.h
+++ b/include/linux/clk.h
@@ -12,6 +12,7 @@
#ifndef __LINUX_CLK_H
#define __LINUX_CLK_H
+#include <linux/err.h>
#include <linux/kernel.h>
#include <linux/notifier.h>
@@ -310,4 +311,23 @@ struct clk *clk_get_sys(const char *dev_id, const char *con_id);
int clk_add_alias(const char *alias, const char *alias_dev_name, char *id,
struct device *dev);
+struct device_node;
+struct of_phandle_args;
+
+#if defined(CONFIG_OF) && defined(CONFIG_COMMON_CLK)
+struct clk *of_clk_get(struct device_node *np, int index);
+struct clk *of_clk_get_by_name(struct device_node *np, const char *name);
+struct clk *of_clk_get_from_provider(struct of_phandle_args *clkspec);
+#else
+static inline struct clk *of_clk_get(struct device_node *np, int index)
+{
+ return ERR_PTR(-ENOENT);
+}
+static inline struct clk *of_clk_get_by_name(struct device_node *np,
+ const char *name)
+{
+ return ERR_PTR(-ENOENT);
+}
+#endif
+
#endif