drivers/clk/clk_fixed_factor.c

1 // SPDX-License-Identifier: GPL-2.0+
9 #include <clk-uclass.h>
14 	struct clk parent;  member
24 	uint64_t rate;  in clk_fixed_factor_get_rate()  local
25 	struct clk_fixed_factor *ff = to_clk_fixed_factor(clk->dev);  in clk_fixed_factor_get_rate()
27 	if (clk->id != 0)  in clk_fixed_factor_get_rate()
28 		return -EINVAL;  in clk_fixed_factor_get_rate()
30 	rate = clk_get_rate(&ff->parent);  in clk_fixed_factor_get_rate()
31 	if (IS_ERR_VALUE(rate))  in clk_fixed_factor_get_rate()
32 		return rate;  in clk_fixed_factor_get_rate()
34 	do_div(rate, ff->div);  in clk_fixed_factor_get_rate()
36 	return rate * ff->mult;  in clk_fixed_factor_get_rate()
49 	err = clk_get_by_index(dev, 0, &ff->parent);  in clk_fixed_factor_ofdata_to_platdata()
53 	ff->div = dev_read_u32_default(dev, "clock-div", 1);  in clk_fixed_factor_ofdata_to_platdata()
54 	ff->mult = dev_read_u32_default(dev, "clock-mult", 1);  in clk_fixed_factor_ofdata_to_platdata()
62 		.compatible = "fixed-factor-clock",