clk: add DT fixed-clock binding support

#include <linux/slab.h>

#include <linux/io.h>

#include <linux/err.h>

#include <linux/of.h>

/*

 * DOC: basic fixed-rate clock that cannot gate

	return clk;

}

#ifdef CONFIG_OF

/**

 * of_fixed_clk_setup() - Setup function for simple fixed rate clock

 */

void __init of_fixed_clk_setup(struct device_node *node)

{

	struct clk *clk;

	const char *clk_name = node->name;

	u32 rate;

	if (of_property_read_u32(node, "clock-frequency", &rate))

		return;

	of_property_read_string(node, "clock-output-names", &clk_name);

	clk = clk_register_fixed_rate(NULL, clk_name, NULL, CLK_IS_ROOT, rate);

	if (clk)

		of_clk_add_provider(node, of_clk_src_simple_get, clk);

}

EXPORT_SYMBOL_GPL(of_fixed_clk_setup);

#endif

		const char *parent_name, unsigned long flags,

		unsigned long fixed_rate);

void of_fixed_clk_setup(struct device_node *np);

/**

 * struct clk_gate - gating clock

 *