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

   1// SPDX-License-Identifier: GPL-2.0-or-later
   2/*
   3 * Copyright (C) 2016 Socionext Inc.
   4 *   Author: Masahiro Yamada <yamada.masahiro@socionext.com>
   5 */
   6
   7#include <linux/clk-provider.h>
   8#include <linux/device.h>
   9
  10#include "clk-uniphier.h"
  11
  12struct clk_hw *uniphier_clk_register_fixed_rate(struct device *dev,
  13                                                const char *name,
  14                                const struct uniphier_clk_fixed_rate_data *data)
  15{
  16        struct clk_fixed_rate *fixed;
  17        struct clk_init_data init;
  18        int ret;
  19
  20        /* allocate fixed-rate clock */
  21        fixed = devm_kzalloc(dev, sizeof(*fixed), GFP_KERNEL);
  22        if (!fixed)
  23                return ERR_PTR(-ENOMEM);
  24
  25        init.name = name;
  26        init.ops = &clk_fixed_rate_ops;
  27        init.parent_names = NULL;
  28        init.num_parents = 0;
  29
  30        fixed->fixed_rate = data->fixed_rate;
  31        fixed->hw.init = &init;
  32
  33        ret = devm_clk_hw_register(dev, &fixed->hw);
  34        if (ret)
  35                return ERR_PTR(ret);
  36
  37        return &fixed->hw;
  38}
  39