61 						  unsigned long div)  in ccu_div_lock_delay_ns()  argument
63 	u64 ns = 4ULL * (div ?: 1) * NSEC_PER_SEC;  in ccu_div_lock_delay_ns()
71 					      unsigned long div)  in ccu_div_calc_freq()  argument
73 	return ref_clk / (div ?: 1);  in ccu_div_calc_freq()
76 static int ccu_div_var_update_clkdiv(struct ccu_div *div,  in ccu_div_var_update_clkdiv()  argument
87 	if (div->features & CCU_DIV_LOCK_SHIFTED)  in ccu_div_var_update_clkdiv()
92 	regmap_update_bits(div->sys_regs, div->reg_ctl,  in ccu_div_var_update_clkdiv()
102 		regmap_read(div->sys_regs, div->reg_ctl, &val);  in ccu_div_var_update_clkdiv()
113 	struct ccu_div *div = to_ccu_div(hw);  in ccu_div_var_enable()  local
123 	regmap_read(div->sys_regs, div->reg_ctl, &val);  in ccu_div_var_enable()
127 	spin_lock_irqsave(&div->lock, flags);  in ccu_div_var_enable()
128 	ret = ccu_div_var_update_clkdiv(div, clk_hw_get_rate(parent_hw),  in ccu_div_var_enable()
129 					ccu_div_get(div->mask, val));  in ccu_div_var_enable()
131 		regmap_update_bits(div->sys_regs, div->reg_ctl,  in ccu_div_var_enable()
133 	spin_unlock_irqrestore(&div->lock, flags);  in ccu_div_var_enable()
142 	struct ccu_div *div = to_ccu_div(hw);  in ccu_div_gate_enable()  local
145 	spin_lock_irqsave(&div->lock, flags);  in ccu_div_gate_enable()
146 	regmap_update_bits(div->sys_regs, div->reg_ctl,  in ccu_div_gate_enable()
148 	spin_unlock_irqrestore(&div->lock, flags);  in ccu_div_gate_enable()
155 	struct ccu_div *div = to_ccu_div(hw);  in ccu_div_gate_disable()  local
158 	spin_lock_irqsave(&div->lock, flags);  in ccu_div_gate_disable()
159 	regmap_update_bits(div->sys_regs, div->reg_ctl, CCU_DIV_CTL_EN, 0);  in ccu_div_gate_disable()
160 	spin_unlock_irqrestore(&div->lock, flags);  in ccu_div_gate_disable()
165 	struct ccu_div *div = to_ccu_div(hw);  in ccu_div_gate_is_enabled()  local
168 	regmap_read(div->sys_regs, div->reg_ctl, &val);  in ccu_div_gate_is_enabled()
175 	struct ccu_div *div = to_ccu_div(hw);  in ccu_div_buf_enable()  local
178 	spin_lock_irqsave(&div->lock, flags);  in ccu_div_buf_enable()
179 	regmap_update_bits(div->sys_regs, div->reg_ctl,  in ccu_div_buf_enable()
181 	spin_unlock_irqrestore(&div->lock, flags);  in ccu_div_buf_enable()
188 	struct ccu_div *div = to_ccu_div(hw);  in ccu_div_buf_disable()  local
191 	spin_lock_irqsave(&div->lock, flags);  in ccu_div_buf_disable()
192 	regmap_update_bits(div->sys_regs, div->reg_ctl,  in ccu_div_buf_disable()
194 	spin_unlock_irqrestore(&div->lock, flags);  in ccu_div_buf_disable()
199 	struct ccu_div *div = to_ccu_div(hw);  in ccu_div_buf_is_enabled()  local
202 	regmap_read(div->sys_regs, div->reg_ctl, &val);  in ccu_div_buf_is_enabled()
210 	struct ccu_div *div = to_ccu_div(hw);  in ccu_div_var_recalc_rate()  local
214 	regmap_read(div->sys_regs, div->reg_ctl, &val);  in ccu_div_var_recalc_rate()
215 	divider = ccu_div_get(div->mask, val);  in ccu_div_var_recalc_rate()
234 	struct ccu_div *div = to_ccu_div(hw);  in ccu_div_var_round_rate()  local
237 	divider = ccu_div_var_calc_divider(rate, *parent_rate, div->mask);  in ccu_div_var_round_rate()
250 	struct ccu_div *div = to_ccu_div(hw);  in ccu_div_var_set_rate_slow()  local
255 	divider = ccu_div_var_calc_divider(rate, parent_rate, div->mask);  in ccu_div_var_set_rate_slow()
256 	if (divider == 1 && div->features & CCU_DIV_SKIP_ONE) {  in ccu_div_var_set_rate_slow()
258 	} else if (div->features & CCU_DIV_SKIP_ONE_TO_THREE) {  in ccu_div_var_set_rate_slow()
265 	val = ccu_div_prep(div->mask, divider);  in ccu_div_var_set_rate_slow()
267 	spin_lock_irqsave(&div->lock, flags);  in ccu_div_var_set_rate_slow()
268 	regmap_update_bits(div->sys_regs, div->reg_ctl, div->mask, val);  in ccu_div_var_set_rate_slow()
269 	ret = ccu_div_var_update_clkdiv(div, parent_rate, divider);  in ccu_div_var_set_rate_slow()
270 	spin_unlock_irqrestore(&div->lock, flags);  in ccu_div_var_set_rate_slow()
284 	struct ccu_div *div = to_ccu_div(hw);  in ccu_div_var_set_rate_fast()  local
288 	divider = ccu_div_var_calc_divider(rate, parent_rate, div->mask);  in ccu_div_var_set_rate_fast()
289 	val = ccu_div_prep(div->mask, divider);  in ccu_div_var_set_rate_fast()
295 	spin_lock_irqsave(&div->lock, flags);  in ccu_div_var_set_rate_fast()
296 	regmap_update_bits(div->sys_regs, div->reg_ctl,  in ccu_div_var_set_rate_fast()
297 			   div->mask | CCU_DIV_CTL_EN, val);  in ccu_div_var_set_rate_fast()
298 	spin_unlock_irqrestore(&div->lock, flags);  in ccu_div_var_set_rate_fast()
306 	struct ccu_div *div = to_ccu_div(hw);  in ccu_div_fixed_recalc_rate()  local
308 	return ccu_div_calc_freq(parent_rate, div->divider);  in ccu_div_fixed_recalc_rate()
314 	struct ccu_div *div = to_ccu_div(hw);  in ccu_div_fixed_round_rate()  local
316 	return ccu_div_calc_freq(*parent_rate, div->divider);  in ccu_div_fixed_round_rate()
328 	struct ccu_div *div;  member
359 	struct ccu_div *div = bit->div;  in ccu_div_dbgfs_bit_set()  local
362 	spin_lock_irqsave(&div->lock, flags);  in ccu_div_dbgfs_bit_set()
363 	regmap_update_bits(div->sys_regs, div->reg_ctl,  in ccu_div_dbgfs_bit_set()
365 	spin_unlock_irqrestore(&div->lock, flags);  in ccu_div_dbgfs_bit_set()
372 	struct ccu_div *div = priv;  in ccu_div_dbgfs_var_clkdiv_set()  local
377 		      CCU_DIV_CLKDIV_MAX(div->mask));  in ccu_div_dbgfs_var_clkdiv_set()
378 	data = ccu_div_prep(div->mask, val);  in ccu_div_dbgfs_var_clkdiv_set()
380 	spin_lock_irqsave(&div->lock, flags);  in ccu_div_dbgfs_var_clkdiv_set()
381 	regmap_update_bits(div->sys_regs, div->reg_ctl, div->mask, data);  in ccu_div_dbgfs_var_clkdiv_set()
382 	spin_unlock_irqrestore(&div->lock, flags);  in ccu_div_dbgfs_var_clkdiv_set()
400 	struct ccu_div *div = bit->div;  in ccu_div_dbgfs_bit_get()  local
403 	regmap_read(div->sys_regs, div->reg_ctl, &data);  in ccu_div_dbgfs_bit_get()
413 	struct ccu_div *div = priv;  in ccu_div_dbgfs_var_clkdiv_get()  local
416 	regmap_read(div->sys_regs, div->reg_ctl, &data);  in ccu_div_dbgfs_var_clkdiv_get()
417 	*val = ccu_div_get(div->mask, data);  in ccu_div_dbgfs_var_clkdiv_get()
426 	struct ccu_div *div = priv;  in ccu_div_dbgfs_fixed_clkdiv_get()  local
428 	*val = div->divider;  in ccu_div_dbgfs_fixed_clkdiv_get()
437 	struct ccu_div *div = to_ccu_div(hw);  in ccu_div_var_debug_init()  local
442 	num += !!(div->flags & CLK_SET_RATE_GATE) +  in ccu_div_var_debug_init()
443 		!!(div->features & CCU_DIV_RESET_DOMAIN);  in ccu_div_var_debug_init()
451 		if (!(div->flags & CLK_SET_RATE_GATE) &&  in ccu_div_var_debug_init()
456 		if (!(div->features & CCU_DIV_RESET_DOMAIN) &&  in ccu_div_var_debug_init()
465 		bits[didx].div = div;  in ccu_div_var_debug_init()
467 		if (div->features & CCU_DIV_LOCK_SHIFTED &&  in ccu_div_var_debug_init()
479 				   div, &ccu_div_dbgfs_var_clkdiv_fops);  in ccu_div_var_debug_init()
484 	struct ccu_div *div = to_ccu_div(hw);  in ccu_div_gate_debug_init()  local
492 	bit->div = div;  in ccu_div_gate_debug_init()
496 	debugfs_create_file_unsafe("div_clkdiv", 0400, dentry, div,  in ccu_div_gate_debug_init()
502 	struct ccu_div *div = to_ccu_div(hw);  in ccu_div_buf_debug_init()  local
510 	bit->div = div;  in ccu_div_buf_debug_init()
517 	struct ccu_div *div = to_ccu_div(hw);  in ccu_div_fixed_debug_init()  local
519 	debugfs_create_file_unsafe("div_clkdiv", 0400, dentry, div,  in ccu_div_fixed_debug_init()
577 	struct ccu_div *div;  in ccu_div_hw_register()  local
583 	div = kzalloc(sizeof(*div), GFP_KERNEL);  in ccu_div_hw_register()
584 	if (!div)  in ccu_div_hw_register()
592 	div->hw.init = &hw_init;  in ccu_div_hw_register()
593 	div->id = div_init->id;  in ccu_div_hw_register()
594 	div->reg_ctl = div_init->base + CCU_DIV_CTL;  in ccu_div_hw_register()
595 	div->sys_regs = div_init->sys_regs;  in ccu_div_hw_register()
596 	div->flags = div_init->flags;  in ccu_div_hw_register()
597 	div->features = div_init->features;  in ccu_div_hw_register()
598 	spin_lock_init(&div->lock);  in ccu_div_hw_register()
608 		div->mask = CCU_DIV_CTL_CLKDIV_MASK(div_init->width);  in ccu_div_hw_register()
611 		div->divider = div_init->divider;  in ccu_div_hw_register()
616 		div->divider = div_init->divider;  in ccu_div_hw_register()
631 	ret = of_clk_hw_register(div_init->np, &div->hw);  in ccu_div_hw_register()
635 	return div;  in ccu_div_hw_register()
638 	kfree(div);  in ccu_div_hw_register()
643 void ccu_div_hw_unregister(struct ccu_div *div)  in ccu_div_hw_unregister()  argument
645 	clk_hw_unregister(&div->hw);  in ccu_div_hw_unregister()
647 	kfree(div);  in ccu_div_hw_unregister()