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// SPDX-License-Identifier: (GPL-2.0 OR MIT)
/*
* Copyright (c) 2018 BayLibre, SAS.
* Author: Jerome Brunet <jbrunet@baylibre.com>
*/
#include <linux/clk.h>
#include <linux/clk-provider.h>
#include <linux/device.h>
#include <linux/module.h>
#include "clk-input.h"
static const struct clk_ops meson_clk_no_ops = {};
struct clk_hw *meson_clk_hw_register_input(struct device *dev,
const char *of_name,
const char *clk_name,
unsigned long flags)
{
struct clk *parent_clk = devm_clk_get(dev, of_name);
struct clk_init_data init;
const char *parent_name;
struct clk_hw *hw;
int ret;
if (IS_ERR(parent_clk))
return (struct clk_hw *)parent_clk;
hw = devm_kzalloc(dev, sizeof(*hw), GFP_KERNEL);
if (!hw)
return ERR_PTR(-ENOMEM);
parent_name = __clk_get_name(parent_clk);
init.name = clk_name;
init.ops = &meson_clk_no_ops;
init.flags = flags;
init.parent_names = &parent_name;
init.num_parents = 1;
hw->init = &init;
ret = devm_clk_hw_register(dev, hw);
return ret ? ERR_PTR(ret) : hw;
}
EXPORT_SYMBOL_GPL(meson_clk_hw_register_input);
MODULE_DESCRIPTION("Amlogic clock input helper");
MODULE_AUTHOR("Jerome Brunet <jbrunet@baylibre.com>");
MODULE_LICENSE("GPL v2");
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