drivers/clk/meson/meson-clkc-utils.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * Copyright (c) 2023 Neil Armstrong <neil.armstrong@linaro.org>
   4  */
   5
   6 #include <linux/of_device.h>
   7 #include <linux/clk-provider.h>
   8 #include <linux/module.h>
   9 #include "meson-clkc-utils.h"
  10
  11 struct clk_hw *meson_clk_hw_get(struct of_phandle_args *clkspec, void *clk_hw_data)
  12 {
  13         const struct meson_clk_hw_data *data = clk_hw_data;
  14         unsigned int idx = clkspec->args[0];
  15
  16         if (idx >= data->num) {
  17                 pr_err("%s: invalid index %u\n", __func__, idx);
  18                 return ERR_PTR(-EINVAL);
  19         }
  20
  21         return data->hws[idx];
  22 }
  23 EXPORT_SYMBOL_NS_GPL(meson_clk_hw_get, "CLK_MESON");
  24
  25 MODULE_DESCRIPTION("Amlogic Clock Controller Utilities");
  26 MODULE_LICENSE("GPL");
  27 MODULE_IMPORT_NS("CLK_MESON");