// SPDX-License-Identifier: (GPL-2.0 OR MIT) /* * Copyright (c) 2018 BayLibre, SAS. * Author: Jerome Brunet <jbrunet@baylibre.com> */ #include <linux/clk.h> #include <linux/clk-provider.h> #include <linux/device.h> #include <linux/module.h> #include "clk-input.h" static const struct clk_ops meson_clk_no_ops = {}; struct clk_hw *meson_clk_hw_register_input(struct device *dev, const char *of_name, const char *clk_name, unsigned long flags) { struct clk *parent_clk = devm_clk_get(dev, of_name); struct clk_init_data init; const char *parent_name; struct clk_hw *hw; int ret; if (IS_ERR(parent_clk)) return (struct clk_hw *)parent_clk; hw = devm_kzalloc(dev, sizeof(*hw), GFP_KERNEL); if (!hw) return ERR_PTR(-ENOMEM); parent_name = __clk_get_name(parent_clk); init.name = clk_name; init.ops = &meson_clk_no_ops; init.flags = flags; init.parent_names = &parent_name; init.num_parents = 1; hw->init = &init; ret = devm_clk_hw_register(dev, hw); return ret ? ERR_PTR(ret) : hw; } EXPORT_SYMBOL_GPL(meson_clk_hw_register_input); MODULE_DESCRIPTION("Amlogic clock input helper"); MODULE_AUTHOR("Jerome Brunet <jbrunet@baylibre.com>"); MODULE_LICENSE("GPL v2");