1 /* 2 * Copyright (C) 2016 Socionext Inc. 3 * Author: Masahiro Yamada <yamada.masahiro@socionext.com> 4 * 5 * This program is free software; you can redistribute it and/or modify 6 * it under the terms of the GNU General Public License as published by 7 * the Free Software Foundation; either version 2 of the License, or 8 * (at your option) any later version. 9 * 10 * This program is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * GNU General Public License for more details. 14 */ 15 16 #include <linux/clk-provider.h> 17 #include <linux/device.h> 18 19 #include "clk-uniphier.h" 20 21 struct clk_hw *uniphier_clk_register_fixed_rate(struct device *dev, 22 const char *name, 23 const struct uniphier_clk_fixed_rate_data *data) 24 { 25 struct clk_fixed_rate *fixed; 26 struct clk_init_data init; 27 int ret; 28 29 /* allocate fixed-rate clock */ 30 fixed = devm_kzalloc(dev, sizeof(*fixed), GFP_KERNEL); 31 if (!fixed) 32 return ERR_PTR(-ENOMEM); 33 34 init.name = name; 35 init.ops = &clk_fixed_rate_ops; 36 init.parent_names = NULL; 37 init.num_parents = 0; 38 39 fixed->fixed_rate = data->fixed_rate; 40 fixed->hw.init = &init; 41 42 ret = devm_clk_hw_register(dev, &fixed->hw); 43 if (ret) 44 return ERR_PTR(ret); 45 46 return &fixed->hw; 47 } 48