139 static inline bool ti_abb_check_txdone(const struct ti_abb *abb)  in ti_abb_check_txdone()  argument
141 	return !!(readl(abb->int_base) & abb->txdone_mask);  in ti_abb_check_txdone()
148 static inline void ti_abb_clear_txdone(const struct ti_abb *abb)  in ti_abb_clear_txdone()  argument
150 	writel(abb->txdone_mask, abb->int_base);  in ti_abb_clear_txdone()
160 static int ti_abb_wait_txdone(struct device *dev, struct ti_abb *abb)  in ti_abb_wait_txdone()  argument
165 	while (timeout++ <= abb->settling_time) {  in ti_abb_wait_txdone()
166 		status = ti_abb_check_txdone(abb);  in ti_abb_wait_txdone()
174 			     __func__, timeout, readl(abb->int_base));  in ti_abb_wait_txdone()
185 static int ti_abb_clear_all_txdone(struct device *dev, const struct ti_abb *abb)  in ti_abb_clear_all_txdone()  argument
190 	while (timeout++ <= abb->settling_time) {  in ti_abb_clear_all_txdone()
191 		ti_abb_clear_txdone(abb);  in ti_abb_clear_all_txdone()
193 		status = ti_abb_check_txdone(abb);  in ti_abb_clear_all_txdone()
201 			     __func__, timeout, readl(abb->int_base));  in ti_abb_clear_all_txdone()
211 static void ti_abb_program_ldovbb(struct device *dev, const struct ti_abb *abb,  in ti_abb_program_ldovbb()  argument
216 	val = readl(abb->ldo_base);  in ti_abb_program_ldovbb()
218 	val &= ~(abb->ldovbb_override_mask | abb->ldovbb_vset_mask);  in ti_abb_program_ldovbb()
223 		val |= abb->ldovbb_override_mask;  in ti_abb_program_ldovbb()
224 		val |= info->vset << __ffs(abb->ldovbb_vset_mask);  in ti_abb_program_ldovbb()
228 	writel(val, abb->ldo_base);  in ti_abb_program_ldovbb()
239 static int ti_abb_set_opp(struct regulator_dev *rdev, struct ti_abb *abb,  in ti_abb_set_opp()  argument
242 	const struct ti_abb_reg *regs = abb->regs;  in ti_abb_set_opp()
246 	ret = ti_abb_clear_all_txdone(dev, abb);  in ti_abb_set_opp()
250 	ti_abb_rmw(regs->fbb_sel_mask | regs->rbb_sel_mask, 0, abb->setup_reg);  in ti_abb_set_opp()
254 		ti_abb_rmw(regs->rbb_sel_mask, 1, abb->setup_reg);  in ti_abb_set_opp()
257 		ti_abb_rmw(regs->fbb_sel_mask, 1, abb->setup_reg);  in ti_abb_set_opp()
262 	ti_abb_rmw(regs->opp_sel_mask, info->opp_sel, abb->control_reg);  in ti_abb_set_opp()
269 	if (abb->ldo_base && info->opp_sel != TI_ABB_NOMINAL_OPP)  in ti_abb_set_opp()
270 		ti_abb_program_ldovbb(dev, abb, info);  in ti_abb_set_opp()
273 	ti_abb_rmw(regs->opp_change_mask, 1, abb->control_reg);  in ti_abb_set_opp()
276 	ret = ti_abb_wait_txdone(dev, abb);  in ti_abb_set_opp()
280 	ret = ti_abb_clear_all_txdone(dev, abb);  in ti_abb_set_opp()
289 	if (abb->ldo_base && info->opp_sel == TI_ABB_NOMINAL_OPP)  in ti_abb_set_opp()
290 		ti_abb_program_ldovbb(dev, abb, info);  in ti_abb_set_opp()
307 	struct ti_abb *abb = rdev_get_drvdata(rdev);  in ti_abb_set_voltage_sel()  local
312 	if (!abb) {  in ti_abb_set_voltage_sel()
318 	if (!desc->n_voltages || !abb->info) {  in ti_abb_set_voltage_sel()
332 	if (sel == abb->current_info_idx) {  in ti_abb_set_voltage_sel()
337 	info = &abb->info[sel];  in ti_abb_set_voltage_sel()
344 	if (abb->current_info_idx == -EINVAL)  in ti_abb_set_voltage_sel()
348 	oinfo = &abb->info[abb->current_info_idx];  in ti_abb_set_voltage_sel()
351 			sel, abb->current_info_idx);  in ti_abb_set_voltage_sel()
356 	ret = ti_abb_set_opp(rdev, abb, info);  in ti_abb_set_voltage_sel()
360 		abb->current_info_idx = sel;  in ti_abb_set_voltage_sel()
378 	struct ti_abb *abb = rdev_get_drvdata(rdev);  in ti_abb_get_voltage_sel()  local
381 	if (!abb) {  in ti_abb_get_voltage_sel()
387 	if (!desc->n_voltages || !abb->info) {  in ti_abb_get_voltage_sel()
394 	if (abb->current_info_idx >= (int)desc->n_voltages) {  in ti_abb_get_voltage_sel()
396 			__func__, abb->current_info_idx, desc->n_voltages);  in ti_abb_get_voltage_sel()
400 	return abb->current_info_idx;  in ti_abb_get_voltage_sel()
410 static int ti_abb_init_timings(struct device *dev, struct ti_abb *abb)  in ti_abb_init_timings()  argument
414 	const struct ti_abb_reg *regs = abb->regs;  in ti_abb_init_timings()
419 	ret = of_property_read_u32(dev->of_node, pname, &abb->settling_time);  in ti_abb_init_timings()
426 	if (!abb->settling_time) {  in ti_abb_init_timings()
443 	abb->clk = devm_clk_get(dev, NULL);  in ti_abb_init_timings()
444 	if (IS_ERR(abb->clk)) {  in ti_abb_init_timings()
445 		ret = PTR_ERR(abb->clk);  in ti_abb_init_timings()
474 	clk_rate = DIV_ROUND_CLOSEST(clk_get_rate(abb->clk), 1000000);  in ti_abb_init_timings()
480 	sr2_wt_cnt_val = DIV_ROUND_CLOSEST(abb->settling_time * 10, cycle_rate);  in ti_abb_init_timings()
483 		clk_get_rate(abb->clk), sr2_wt_cnt_val);  in ti_abb_init_timings()
485 	ti_abb_rmw(regs->sr2_wtcnt_value_mask, sr2_wt_cnt_val, abb->setup_reg);  in ti_abb_init_timings()
498 static int ti_abb_init_table(struct device *dev, struct ti_abb *abb,  in ti_abb_init_table()  argument
531 	abb->info = info;  in ti_abb_init_table()
538 	abb->rdesc.n_voltages = num_entries;  in ti_abb_init_table()
539 	abb->rdesc.volt_table = volt_table;  in ti_abb_init_table()
541 	abb->current_info_idx = -EINVAL;  in ti_abb_init_table()
572 		if (!abb->efuse_base) {  in ti_abb_init_table()
580 		efuse_val = readl(abb->efuse_base + efuse_offset);  in ti_abb_init_table()
595 		if (!abb->ldo_base) {  in ti_abb_init_table()
693 	struct ti_abb *abb;  in ti_abb_probe()  local
713 	abb = devm_kzalloc(dev, sizeof(struct ti_abb), GFP_KERNEL);  in ti_abb_probe()
714 	if (!abb)  in ti_abb_probe()
716 	abb->regs = match->data;  in ti_abb_probe()
719 	if (abb->regs->setup_off || abb->regs->control_off) {  in ti_abb_probe()
720 		abb->base = devm_platform_ioremap_resource_byname(pdev, "base-address");  in ti_abb_probe()
721 		if (IS_ERR(abb->base))  in ti_abb_probe()
722 			return PTR_ERR(abb->base);  in ti_abb_probe()
724 		abb->setup_reg = abb->base + abb->regs->setup_off;  in ti_abb_probe()
725 		abb->control_reg = abb->base + abb->regs->control_off;  in ti_abb_probe()
728 		abb->control_reg = devm_platform_ioremap_resource_byname(pdev, "control-address");  in ti_abb_probe()
729 		if (IS_ERR(abb->control_reg))  in ti_abb_probe()
730 			return PTR_ERR(abb->control_reg);  in ti_abb_probe()
732 		abb->setup_reg = devm_platform_ioremap_resource_byname(pdev, "setup-address");  in ti_abb_probe()
733 		if (IS_ERR(abb->setup_reg))  in ti_abb_probe()
734 			return PTR_ERR(abb->setup_reg);  in ti_abb_probe()
737 	abb->int_base = devm_platform_ioremap_resource_byname(pdev, "int-address");  in ti_abb_probe()
738 	if (IS_ERR(abb->int_base))  in ti_abb_probe()
739 		return PTR_ERR(abb->int_base);  in ti_abb_probe()
754 	abb->efuse_base = devm_ioremap(dev, res->start,  in ti_abb_probe()
756 	if (!abb->efuse_base) {  in ti_abb_probe()
768 	abb->ldo_base = devm_ioremap_resource(dev, res);  in ti_abb_probe()
769 	if (IS_ERR(abb->ldo_base))  in ti_abb_probe()
770 		return PTR_ERR(abb->ldo_base);  in ti_abb_probe()
776 				 &abb->ldovbb_override_mask);  in ti_abb_probe()
781 	if (!abb->ldovbb_override_mask) {  in ti_abb_probe()
789 				 &abb->ldovbb_vset_mask);  in ti_abb_probe()
794 	if (!abb->ldovbb_vset_mask) {  in ti_abb_probe()
803 				 &abb->txdone_mask);  in ti_abb_probe()
808 	if (!abb->txdone_mask) {  in ti_abb_probe()
814 					      &abb->rdesc);  in ti_abb_probe()
822 	ret = ti_abb_init_table(dev, abb, initdata);  in ti_abb_probe()
827 	ret = ti_abb_init_timings(dev, abb);  in ti_abb_probe()
831 	desc = &abb->rdesc;  in ti_abb_probe()
844 	config.driver_data = abb;  in ti_abb_probe()
857 	ti_abb_rmw(abb->regs->sr2_en_mask, 1, abb->setup_reg);  in ti_abb_probe()