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Commit f6102742 authored by Mike Turquette's avatar Mike Turquette
Browse files

clk: of: helper for determining number of parent clocks 



Walks the "clocks" array of parent clock phandles and returns the
number.

Signed-off-by: default avatarMike Turquette <mturquette@linaro.org>
parent f8fe36f6

drivers/clk/clk.c

+6 −0
Original line number Original line Diff line number Diff line
@@ -2202,6 +2202,12 @@ struct clk *of_clk_get_from_provider(struct of_phandle_args *clkspec) 
	return clk;

	return clk;

}

}





int of_clk_get_parent_count(struct device_node *np)

{

	return of_count_phandle_with_args(np, "clocks", "#clock-cells");

}

EXPORT_SYMBOL_GPL(of_clk_get_parent_count);



const char *of_clk_get_parent_name(struct device_node *np, int index)

const char *of_clk_get_parent_name(struct device_node *np, int index)

{

{

	struct of_phandle_args clkspec;

	struct of_phandle_args clkspec;

include/linux/clk-provider.h

+1 −0
Original line number Original line Diff line number Diff line
@@ -472,6 +472,7 @@ void of_clk_del_provider(struct device_node *np); 
struct clk *of_clk_src_simple_get(struct of_phandle_args *clkspec,

struct clk *of_clk_src_simple_get(struct of_phandle_args *clkspec,

				  void *data);

				  void *data);

struct clk *of_clk_src_onecell_get(struct of_phandle_args *clkspec, void *data);

struct clk *of_clk_src_onecell_get(struct of_phandle_args *clkspec, void *data);

int of_clk_get_parent_count(struct device_node *np);

const char *of_clk_get_parent_name(struct device_node *np, int index);

const char *of_clk_get_parent_name(struct device_node *np, int index);





void of_clk_init(const struct of_device_id *matches);

void of_clk_init(const struct of_device_id *matches);