diff options
Diffstat (limited to 'drivers/clk/hisilicon/clk.c')
| -rw-r--r-- | drivers/clk/hisilicon/clk.c | 44 |
1 files changed, 28 insertions, 16 deletions
diff --git a/drivers/clk/hisilicon/clk.c b/drivers/clk/hisilicon/clk.c index b73c1dfae7f1..09368fd32bef 100644 --- a/drivers/clk/hisilicon/clk.c +++ b/drivers/clk/hisilicon/clk.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Hisilicon clock driver * @@ -6,21 +7,6 @@ * * Author: Haojian Zhuang <haojian.zhuang@linaro.org> * Xin Li <li.xin@linaro.org> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - * */ #include <linux/kernel.h> @@ -30,7 +16,7 @@ #include <linux/io.h> #include <linux/of.h> #include <linux/of_address.h> -#include <linux/of_device.h> +#include <linux/platform_device.h> #include <linux/slab.h> #include "clk.h" @@ -49,6 +35,8 @@ struct hisi_clock_data *hisi_clk_alloc(struct platform_device *pdev, return NULL; res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!res) + return NULL; clk_data->base = devm_ioremap(&pdev->dev, res->start, resource_size(res)); if (!clk_data->base) @@ -197,6 +185,30 @@ err: } EXPORT_SYMBOL_GPL(hisi_clk_register_mux); +int hisi_clk_register_phase(struct device *dev, + const struct hisi_phase_clock *clks, + int nums, struct hisi_clock_data *data) +{ + void __iomem *base = data->base; + struct clk *clk; + int i; + + for (i = 0; i < nums; i++) { + clk = clk_register_hisi_phase(dev, &clks[i], base, + &hisi_clk_lock); + if (IS_ERR(clk)) { + pr_err("%s: failed to register clock %s\n", __func__, + clks[i].name); + return PTR_ERR(clk); + } + + data->clk_data.clks[clks[i].id] = clk; + } + + return 0; +} +EXPORT_SYMBOL_GPL(hisi_clk_register_phase); + int hisi_clk_register_divider(const struct hisi_divider_clock *clks, int nums, struct hisi_clock_data *data) { |