1 // SPDX-License-Identifier: GPL-2.0
8 #include <linux/clk-provider.h>
10 #include "div.h"
17 	req->rate = divider_round_rate(&cd->common.hw, req->rate,  in sprd_div_determine_rate()
18 				       &req->best_parent_rate,  in sprd_div_determine_rate()
19 				       NULL, cd->div.width, 0);  in sprd_div_determine_rate()
25 					  const struct sprd_div_internal *div,  in sprd_div_helper_recalc_rate()  argument
29 	unsigned int reg;  in sprd_div_helper_recalc_rate()  local
31 	regmap_read(common->regmap, common->reg + div->offset, &reg);  in sprd_div_helper_recalc_rate()
32 	val = reg >> div->shift;  in sprd_div_helper_recalc_rate()
33 	val &= (1 << div->width) - 1;  in sprd_div_helper_recalc_rate()
35 	return divider_recalc_rate(&common->hw, parent_rate, val, NULL, 0,  in sprd_div_helper_recalc_rate()
36 				   div->width);  in sprd_div_helper_recalc_rate()
45 	return sprd_div_helper_recalc_rate(&cd->common, &cd->div, parent_rate);  in sprd_div_recalc_rate()
49 			     const struct sprd_div_internal *div,  in sprd_div_helper_set_rate()  argument
54 	unsigned int reg;  in sprd_div_helper_set_rate()  local
57 			      div->width, 0);  in sprd_div_helper_set_rate()
59 	regmap_read(common->regmap, common->reg + div->offset, &reg);  in sprd_div_helper_set_rate()
60 	reg &= ~GENMASK(div->width + div->shift - 1, div->shift);  in sprd_div_helper_set_rate()
62 	regmap_write(common->regmap, common->reg + div->offset,  in sprd_div_helper_set_rate()
63 			  reg | (val << div->shift));  in sprd_div_helper_set_rate()
75 	return sprd_div_helper_set_rate(&cd->common, &cd->div,  in sprd_div_set_rate()