linux/drivers/clk/clk-s2mps11.c

// SPDX-License-Identifier: GPL-2.0+
//
// clk-s2mps11.c - Clock driver for S2MPS11.
//
// Copyright (C) 2013,2014 Samsung Electornics

#include <linux/module.h>
#include <linux/err.h>
#include <linux/of.h>
#include <linux/clkdev.h>
#include <linux/regmap.h>
#include <linux/clk-provider.h>
#include <linux/platform_device.h>
#include <linux/mfd/samsung/s2mps11.h>
#include <linux/mfd/samsung/s2mps13.h>
#include <linux/mfd/samsung/s2mps14.h>
#include <linux/mfd/samsung/s5m8767.h>
#include <linux/mfd/samsung/core.h>

#include <dt-bindings/clock/samsung,s2mps11.h>

struct s2mps11_clk { … };

static struct s2mps11_clk *to_s2mps11_clk(struct clk_hw *hw)
{ … }

static int s2mps11_clk_prepare(struct clk_hw *hw)
{ … }

static void s2mps11_clk_unprepare(struct clk_hw *hw)
{ … }

static int s2mps11_clk_is_prepared(struct clk_hw *hw)
{ … }

static unsigned long s2mps11_clk_recalc_rate(struct clk_hw *hw,
					     unsigned long parent_rate)
{ … }

static const struct clk_ops s2mps11_clk_ops = …;

/* This s2mps11_clks_init tructure is common to s2mps11, s2mps13 and s2mps14 */
static struct clk_init_data s2mps11_clks_init[S2MPS11_CLKS_NUM] = …;

static struct device_node *s2mps11_clk_parse_dt(struct platform_device *pdev,
		struct clk_init_data *clks_init)
{ … }

static int s2mps11_clk_probe(struct platform_device *pdev)
{ … }

static void s2mps11_clk_remove(struct platform_device *pdev)
{ … }

static const struct platform_device_id s2mps11_clk_id[] = …;
MODULE_DEVICE_TABLE(platform, s2mps11_clk_id);

#ifdef CONFIG_OF
/*
 * Device is instantiated through parent MFD device and device matching is done
 * through platform_device_id.
 *
 * However if device's DT node contains proper clock compatible and driver is
 * built as a module, then the *module* matching will be done trough DT aliases.
 * This requires of_device_id table.  In the same time this will not change the
 * actual *device* matching so do not add .of_match_table.
 */
static const struct of_device_id s2mps11_dt_match[] __used = …;
MODULE_DEVICE_TABLE(of, s2mps11_dt_match);
#endif

static struct platform_driver s2mps11_clk_driver = …;
module_platform_driver(…) …;

MODULE_DESCRIPTION(…) …;
MODULE_AUTHOR(…) …;
MODULE_LICENSE(…) …;