^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0-or-later
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * Copyright (C) 2016 Socionext Inc.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * Author: Masahiro Yamada <yamada.masahiro@socionext.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) #include <linux/clk-provider.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #include <linux/device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include "clk-uniphier.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) struct clk_hw *uniphier_clk_register_fixed_rate(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) const char *name,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) const struct uniphier_clk_fixed_rate_data *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) struct clk_fixed_rate *fixed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) struct clk_init_data init;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) /* allocate fixed-rate clock */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) fixed = devm_kzalloc(dev, sizeof(*fixed), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) if (!fixed)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) return ERR_PTR(-ENOMEM);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) init.name = name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) init.ops = &clk_fixed_rate_ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) init.flags = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) init.parent_names = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) init.num_parents = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) fixed->fixed_rate = data->fixed_rate;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) fixed->hw.init = &init;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) ret = devm_clk_hw_register(dev, &fixed->hw);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) return ERR_PTR(ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) return &fixed->hw;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) }