1 // SPDX-License-Identifier:	GPL-2.0
6 #include <linux/clk-provider.h>
9 #include "stratix10-clk.h"
25 	val = readl(socfpgaclk->hw.reg);  in clk_peri_c_clk_recalc_rate()
26 	val &= GENMASK(SWCTRLBTCLKSEN_SHIFT - 1, 0);  in clk_peri_c_clk_recalc_rate()
38 	if (socfpgaclk->fixed_div) {  in clk_peri_cnt_clk_recalc_rate()
39 		div = socfpgaclk->fixed_div;  in clk_peri_cnt_clk_recalc_rate()
41 		if (socfpgaclk->hw.reg)  in clk_peri_cnt_clk_recalc_rate()
42 			div = ((readl(socfpgaclk->hw.reg) & 0x7ff) + 1);  in clk_peri_cnt_clk_recalc_rate()
55 	if (socfpgaclk->bypass_reg) {  in clk_periclk_get_parent()
56 		mask = (0x1 << socfpgaclk->bypass_shift);  in clk_periclk_get_parent()
57 		parent = ((readl(socfpgaclk->bypass_reg) & mask) >>  in clk_periclk_get_parent()
58 			   socfpgaclk->bypass_shift);  in clk_periclk_get_parent()
63 	if (socfpgaclk->hw.reg) {  in clk_periclk_get_parent()
64 		clk_src = readl(socfpgaclk->hw.reg);  in clk_periclk_get_parent()
82 				void __iomem *reg)  in s10_register_periph()  argument
86 	struct clk_init_data init;  in s10_register_periph()  local
87 	const char *name = clks->name;  in s10_register_periph()
88 	const char *parent_name = clks->parent_name;  in s10_register_periph()
94 	periph_clk->hw.reg = reg + clks->offset;  in s10_register_periph()
96 	init.name = name;  in s10_register_periph()
97 	init.ops = &peri_c_clk_ops;  in s10_register_periph()
98 	init.flags = clks->flags;  in s10_register_periph()
100 	init.num_parents = clks->num_parents;  in s10_register_periph()
101 	init.parent_names = parent_name ? &parent_name : NULL;  in s10_register_periph()
102 	if (init.parent_names == NULL)  in s10_register_periph()
103 		init.parent_data = clks->parent_data;  in s10_register_periph()
105 	periph_clk->hw.hw.init = &init;  in s10_register_periph()
107 	clk = clk_register(NULL, &periph_clk->hw.hw);  in s10_register_periph()
120 	struct clk_init_data init;  in s10_register_cnt_periph()  local
121 	const char *name = clks->name;  in s10_register_cnt_periph()
122 	const char *parent_name = clks->parent_name;  in s10_register_cnt_periph()
128 	if (clks->offset)  in s10_register_cnt_periph()
129 		periph_clk->hw.reg = regbase + clks->offset;  in s10_register_cnt_periph()
131 		periph_clk->hw.reg = NULL;  in s10_register_cnt_periph()
133 	if (clks->bypass_reg)  in s10_register_cnt_periph()
134 		periph_clk->bypass_reg = regbase + clks->bypass_reg;  in s10_register_cnt_periph()
136 		periph_clk->bypass_reg = NULL;  in s10_register_cnt_periph()
137 	periph_clk->bypass_shift = clks->bypass_shift;  in s10_register_cnt_periph()
138 	periph_clk->fixed_div = clks->fixed_divider;  in s10_register_cnt_periph()
140 	init.name = name;  in s10_register_cnt_periph()
141 	init.ops = &peri_cnt_clk_ops;  in s10_register_cnt_periph()
142 	init.flags = clks->flags;  in s10_register_cnt_periph()
144 	init.num_parents = clks->num_parents;  in s10_register_cnt_periph()
145 	init.parent_names = parent_name ? &parent_name : NULL;  in s10_register_cnt_periph()
146 	if (init.parent_names == NULL)  in s10_register_cnt_periph()
147 		init.parent_data = clks->parent_data;  in s10_register_cnt_periph()
149 	periph_clk->hw.hw.init = &init;  in s10_register_cnt_periph()
151 	clk = clk_register(NULL, &periph_clk->hw.hw);  in s10_register_cnt_periph()