linux-sg2042/drivers/clk/uniphier/clk-uniphier-fixed-rate.c

48 lines
1.3 KiB
C

/*
* Copyright (C) 2016 Socionext Inc.
* Author: Masahiro Yamada <yamada.masahiro@socionext.com>
*
* 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.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <linux/clk-provider.h>
#include <linux/device.h>
#include "clk-uniphier.h"
struct clk_hw *uniphier_clk_register_fixed_rate(struct device *dev,
const char *name,
const struct uniphier_clk_fixed_rate_data *data)
{
struct clk_fixed_rate *fixed;
struct clk_init_data init;
int ret;
/* allocate fixed-rate clock */
fixed = devm_kzalloc(dev, sizeof(*fixed), GFP_KERNEL);
if (!fixed)
return ERR_PTR(-ENOMEM);
init.name = name;
init.ops = &clk_fixed_rate_ops;
init.parent_names = NULL;
init.num_parents = 0;
fixed->fixed_rate = data->fixed_rate;
fixed->hw.init = &init;
ret = devm_clk_hw_register(dev, &fixed->hw);
if (ret)
return ERR_PTR(ret);
return &fixed->hw;
}