path: root/drivers/clk/clk-si5351.c

/*
 * clk-si5351.c: Silicon Laboratories Si5351A/B/C I2C Clock Generator
 *
 * Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
 * Rabeeh Khoury <rabeeh@solid-run.com>
 *
 * References:
 * [1] "Si5351A/B/C Data Sheet"
 *     http://www.silabs.com/Support%20Documents/TechnicalDocs/Si5351.pdf
 * [2] "Manually Generating an Si5351 Register Map"
 *     http://www.silabs.com/Support%20Documents/TechnicalDocs/AN619.pdf
 *
 * This program is free software; you can redistribute  it and/or modify it
 * under  the terms of  the GNU General  Public License as published by the
 * Free Software Foundation;  either version 2 of the  License, or (at your
 * option) any later version.
 */

#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/clkdev.h>
#include <linux/clk-provider.h>
#include <linux/delay.h>
#include <linux/err.h>
#include <linux/errno.h>
#include <linux/rational.h>
#include <linux/i2c.h>
#include <linux/of_platform.h>
#include <linux/platform_data/si5351.h>
#include <linux/regmap.h>
#include <linux/slab.h>
#include <linux/string.h>
#include <asm/div64.h>

#include "clk-si5351.h"

struct si5351_driver_data;

struct si5351_parameters {
	unsigned long	p1;
	unsigned long	p2;
	unsigned long	p3;
	int		valid;
};

struct si5351_hw_data {
	struct clk_hw			hw;
	struct si5351_driver_data	*drvdata;
	struct si5351_parameters	params;
	unsigned