1 // SPDX-License-Identifier: GPL-2.0
6 #include <linux/clk-provider.h>
9 #include "stratix10-clk.h"
23 	unsigned long shift = socfpgaclk->shift;  in n5x_clk_peri_c_clk_recalc_rate()
26 	val = readl(socfpgaclk->hw.reg);  in n5x_clk_peri_c_clk_recalc_rate()
40 	val = readl(socfpgaclk->hw.reg);  in clk_peri_c_clk_recalc_rate()
41 	val &= GENMASK(SWCTRLBTCLKSEN_SHIFT - 1, 0);  in clk_peri_c_clk_recalc_rate()
53 	if (socfpgaclk->fixed_div) {  in clk_peri_cnt_clk_recalc_rate()
54 		div = socfpgaclk->fixed_div;  in clk_peri_cnt_clk_recalc_rate()
56 		if (socfpgaclk->hw.reg)  in clk_peri_cnt_clk_recalc_rate()
57 			div = ((readl(socfpgaclk->hw.reg) & 0x7ff) + 1);  in clk_peri_cnt_clk_recalc_rate()
70 	if (socfpgaclk->bypass_reg) {  in clk_periclk_get_parent()
71 		mask = (0x1 << socfpgaclk->bypass_shift);  in clk_periclk_get_parent()
72 		parent = ((readl(socfpgaclk->bypass_reg) & mask) >>  in clk_periclk_get_parent()
73 			   socfpgaclk->bypass_shift);  in clk_periclk_get_parent()
78 	if (socfpgaclk->hw.reg) {  in clk_periclk_get_parent()
79 		clk_src = readl(socfpgaclk->hw.reg);  in clk_periclk_get_parent()
102 				void __iomem *reg)  in s10_register_periph()  argument
106 	struct clk_init_data init;  in s10_register_periph()  local
107 	const char *name = clks->name;  in s10_register_periph()
108 	const char *parent_name = clks->parent_name;  in s10_register_periph()
115 	periph_clk->hw.reg = reg + clks->offset;  in s10_register_periph()
117 	init.name = name;  in s10_register_periph()
118 	init.ops = &peri_c_clk_ops;  in s10_register_periph()
119 	init.flags = clks->flags;  in s10_register_periph()
121 	init.num_parents = clks->num_parents;  in s10_register_periph()
122 	init.parent_names = parent_name ? &parent_name : NULL;  in s10_register_periph()
123 	if (init.parent_names == NULL)  in s10_register_periph()
124 		init.parent_data = clks->parent_data;  in s10_register_periph()
126 	periph_clk->hw.hw.init = &init;  in s10_register_periph()
127 	hw_clk = &periph_clk->hw.hw;  in s10_register_periph()
142 	struct clk_init_data init;  in n5x_register_periph()  local
143 	const char *name = clks->name;  in n5x_register_periph()
144 	const char *parent_name = clks->parent_name;  in n5x_register_periph()
151 	periph_clk->hw.reg = regbase + clks->offset;  in n5x_register_periph()
152 	periph_clk->shift = clks->shift;  in n5x_register_periph()
154 	init.name = name;  in n5x_register_periph()
155 	init.ops = &n5x_peri_c_clk_ops;  in n5x_register_periph()
156 	init.flags = clks->flags;  in n5x_register_periph()
158 	init.num_parents = clks->num_parents;  in n5x_register_periph()
159 	init.parent_names = parent_name ? &parent_name : NULL;  in n5x_register_periph()
161 	periph_clk->hw.hw.init = &init;  in n5x_register_periph()
162 	hw_clk = &periph_clk->hw.hw;  in n5x_register_periph()
177 	struct clk_init_data init;  in s10_register_cnt_periph()  local
178 	const char *name = clks->name;  in s10_register_cnt_periph()
179 	const char *parent_name = clks->parent_name;  in s10_register_cnt_periph()
186 	if (clks->offset)  in s10_register_cnt_periph()
187 		periph_clk->hw.reg = regbase + clks->offset;  in s10_register_cnt_periph()
189 		periph_clk->hw.reg = NULL;  in s10_register_cnt_periph()
191 	if (clks->bypass_reg)  in s10_register_cnt_periph()
192 		periph_clk->bypass_reg = regbase + clks->bypass_reg;  in s10_register_cnt_periph()
194 		periph_clk->bypass_reg = NULL;  in s10_register_cnt_periph()
195 	periph_clk->bypass_shift = clks->bypass_shift;  in s10_register_cnt_periph()
196 	periph_clk->fixed_div = clks->fixed_divider;  in s10_register_cnt_periph()
198 	init.name = name;  in s10_register_cnt_periph()
199 	init.ops = &peri_cnt_clk_ops;  in s10_register_cnt_periph()
200 	init.flags = clks->flags;  in s10_register_cnt_periph()
202 	init.num_parents = clks->num_parents;  in s10_register_cnt_periph()
203 	init.parent_names = parent_name ? &parent_name : NULL;  in s10_register_cnt_periph()
204 	if (init.parent_names == NULL)  in s10_register_cnt_periph()
205 		init.parent_data = clks->parent_data;  in s10_register_cnt_periph()
207 	periph_clk->hw.hw.init = &init;  in s10_register_cnt_periph()
208 	hw_clk = &periph_clk->hw.hw;  in s10_register_cnt_periph()