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 12 struct clk_hw *uniphier_clk_register_fixed_factor(struct device *dev, 13 const char *name, 14 const struct uniphier_clk_fixed_factor_data *data) 15 { 16 struct clk_fixed_factor *fix; 17 struct clk_init_data init; 18 int ret; 19 20 fix = devm_kzalloc(dev, sizeof(*fix), GFP_KERNEL); 21 if (!fix) 22 return ERR_PTR(-ENOMEM); 23 24 init.name = name; 25 init.ops = &clk_fixed_factor_ops; 26 init.flags = data->parent_name ? CLK_SET_RATE_PARENT : 0; 27 init.parent_names = data->parent_name ? &data->parent_name : NULL; 28 init.num_parents = data->parent_name ? 1 : 0; 29 30 fix->mult = data->mult; 31 fix->div = data->div; 32 fix->hw.init = &init; 33 34 ret = devm_clk_hw_register(dev, &fix->hw); 35 if (ret) 36 return ERR_PTR(ret); 37 38 return &fix->hw; 39 } 40