147 static inline bool ti_abb_check_txdone(const struct ti_abb *abb)  in ti_abb_check_txdone()  argument
149 	return !!(readl(abb->int_base) & abb->txdone_mask);  in ti_abb_check_txdone()
156 static inline void ti_abb_clear_txdone(const struct ti_abb *abb)  in ti_abb_clear_txdone()  argument
158 	writel(abb->txdone_mask, abb->int_base);  in ti_abb_clear_txdone()
168 static int ti_abb_wait_txdone(struct device *dev, struct ti_abb *abb)  in ti_abb_wait_txdone()  argument
173 	while (timeout++ <= abb->settling_time) {  in ti_abb_wait_txdone()
174 		status = ti_abb_check_txdone(abb);  in ti_abb_wait_txdone()
181 	if (timeout > abb->settling_time) {  in ti_abb_wait_txdone()
184 				     __func__, timeout, readl(abb->int_base));  in ti_abb_wait_txdone()
198 static int ti_abb_clear_all_txdone(struct device *dev, const struct ti_abb *abb)  in ti_abb_clear_all_txdone()  argument
203 	while (timeout++ <= abb->settling_time) {  in ti_abb_clear_all_txdone()
204 		ti_abb_clear_txdone(abb);  in ti_abb_clear_all_txdone()
206 		status = ti_abb_check_txdone(abb);  in ti_abb_clear_all_txdone()
213 	if (timeout > abb->settling_time) {  in ti_abb_clear_all_txdone()
216 				     __func__, timeout, readl(abb->int_base));  in ti_abb_clear_all_txdone()
229 static void ti_abb_program_ldovbb(struct device *dev, const struct ti_abb *abb,  in ti_abb_program_ldovbb()  argument
234 	val = readl(abb->ldo_base);  in ti_abb_program_ldovbb()
236 	val &= ~(abb->ldovbb_override_mask | abb->ldovbb_vset_mask);  in ti_abb_program_ldovbb()
241 		val |= abb->ldovbb_override_mask;  in ti_abb_program_ldovbb()
242 		val |= info->vset << __ffs(abb->ldovbb_vset_mask);  in ti_abb_program_ldovbb()
246 	writel(val, abb->ldo_base);  in ti_abb_program_ldovbb()
257 static int ti_abb_set_opp(struct regulator_dev *rdev, struct ti_abb *abb,  in ti_abb_set_opp()  argument
260 	const struct ti_abb_reg *regs = abb->regs;  in ti_abb_set_opp()
264 	ret = ti_abb_clear_all_txdone(dev, abb);  in ti_abb_set_opp()
268 	ti_abb_rmw(regs->fbb_sel_mask | regs->rbb_sel_mask, 0, abb->setup_reg);  in ti_abb_set_opp()
272 		ti_abb_rmw(regs->rbb_sel_mask, 1, abb->setup_reg);  in ti_abb_set_opp()
275 		ti_abb_rmw(regs->fbb_sel_mask, 1, abb->setup_reg);  in ti_abb_set_opp()
280 	ti_abb_rmw(regs->opp_sel_mask, info->opp_sel, abb->control_reg);  in ti_abb_set_opp()
287 	if (abb->ldo_base && info->opp_sel != TI_ABB_NOMINAL_OPP)  in ti_abb_set_opp()
288 		ti_abb_program_ldovbb(dev, abb, info);  in ti_abb_set_opp()
291 	ti_abb_rmw(regs->opp_change_mask, 1, abb->control_reg);  in ti_abb_set_opp()
294 	ret = ti_abb_wait_txdone(dev, abb);  in ti_abb_set_opp()
298 	ret = ti_abb_clear_all_txdone(dev, abb);  in ti_abb_set_opp()
307 	if (abb->ldo_base && info->opp_sel == TI_ABB_NOMINAL_OPP)  in ti_abb_set_opp()
308 		ti_abb_program_ldovbb(dev, abb, info);  in ti_abb_set_opp()
325 	struct ti_abb *abb = rdev_get_drvdata(rdev);  in ti_abb_set_voltage_sel()  local
330 	if (!abb) {  in ti_abb_set_voltage_sel()
336 	if (!desc->n_voltages || !abb->info) {  in ti_abb_set_voltage_sel()
350 	if (sel == abb->current_info_idx) {  in ti_abb_set_voltage_sel()
356 	info = &abb->info[sel];  in ti_abb_set_voltage_sel()
357 	oinfo = &abb->info[abb->current_info_idx];  in ti_abb_set_voltage_sel()
360 			sel, abb->current_info_idx);  in ti_abb_set_voltage_sel()
364 	ret = ti_abb_set_opp(rdev, abb, info);  in ti_abb_set_voltage_sel()
368 		abb->current_info_idx = sel;  in ti_abb_set_voltage_sel()
386 	struct ti_abb *abb = rdev_get_drvdata(rdev);  in ti_abb_get_voltage_sel()  local
389 	if (!abb) {  in ti_abb_get_voltage_sel()
395 	if (!desc->n_voltages || !abb->info) {  in ti_abb_get_voltage_sel()
402 	if (abb->current_info_idx >= (int)desc->n_voltages) {  in ti_abb_get_voltage_sel()
404 			__func__, abb->current_info_idx, desc->n_voltages);  in ti_abb_get_voltage_sel()
408 	return abb->current_info_idx;  in ti_abb_get_voltage_sel()
418 static int ti_abb_init_timings(struct device *dev, struct ti_abb *abb)  in ti_abb_init_timings()  argument
422 	const struct ti_abb_reg *regs = abb->regs;  in ti_abb_init_timings()
427 	ret = of_property_read_u32(dev->of_node, pname, &abb->settling_time);  in ti_abb_init_timings()
434 	if (!abb->settling_time) {  in ti_abb_init_timings()
451 	abb->clk = devm_clk_get(dev, NULL);  in ti_abb_init_timings()
452 	if (IS_ERR(abb->clk)) {  in ti_abb_init_timings()
453 		ret = PTR_ERR(abb->clk);  in ti_abb_init_timings()
482 	clk_rate = DIV_ROUND_CLOSEST(clk_get_rate(abb->clk), 1000000);  in ti_abb_init_timings()
488 	sr2_wt_cnt_val = DIV_ROUND_CLOSEST(abb->settling_time * 10, cycle_rate);  in ti_abb_init_timings()
491 		clk_get_rate(abb->clk), sr2_wt_cnt_val);  in ti_abb_init_timings()
493 	ti_abb_rmw(regs->sr2_wtcnt_value_mask, sr2_wt_cnt_val, abb->setup_reg);  in ti_abb_init_timings()
506 static int ti_abb_init_table(struct device *dev, struct ti_abb *abb,  in ti_abb_init_table()  argument
539 	abb->info = info;  in ti_abb_init_table()
546 	abb->rdesc.n_voltages = num_entries;  in ti_abb_init_table()
547 	abb->rdesc.volt_table = volt_table;  in ti_abb_init_table()
549 	abb->current_info_idx = -EINVAL;  in ti_abb_init_table()
580 		if (!abb->efuse_base) {  in ti_abb_init_table()
588 		efuse_val = readl(abb->efuse_base + efuse_offset);  in ti_abb_init_table()
603 		if (!abb->ldo_base) {  in ti_abb_init_table()
701 	struct ti_abb *abb;  in ti_abb_probe()  local
721 	abb = devm_kzalloc(dev, sizeof(struct ti_abb), GFP_KERNEL);  in ti_abb_probe()
722 	if (!abb)  in ti_abb_probe()
724 	abb->regs = match->data;  in ti_abb_probe()
727 	if (abb->regs->setup_off || abb->regs->control_off) {  in ti_abb_probe()
730 		abb->base = devm_ioremap_resource(dev, res);  in ti_abb_probe()
731 		if (IS_ERR(abb->base))  in ti_abb_probe()
732 			return PTR_ERR(abb->base);  in ti_abb_probe()
734 		abb->setup_reg = abb->base + abb->regs->setup_off;  in ti_abb_probe()
735 		abb->control_reg = abb->base + abb->regs->control_off;  in ti_abb_probe()
740 		abb->control_reg = devm_ioremap_resource(dev, res);  in ti_abb_probe()
741 		if (IS_ERR(abb->control_reg))  in ti_abb_probe()
742 			return PTR_ERR(abb->control_reg);  in ti_abb_probe()
746 		abb->setup_reg = devm_ioremap_resource(dev, res);  in ti_abb_probe()
747 		if (IS_ERR(abb->setup_reg))  in ti_abb_probe()
748 			return PTR_ERR(abb->setup_reg);  in ti_abb_probe()
761 	abb->int_base = devm_ioremap_nocache(dev, res->start,  in ti_abb_probe()
763 	if (!abb->int_base) {  in ti_abb_probe()
781 	abb->efuse_base = devm_ioremap_nocache(dev, res->start,  in ti_abb_probe()
783 	if (!abb->efuse_base) {  in ti_abb_probe()
795 	abb->ldo_base = devm_ioremap_resource(dev, res);  in ti_abb_probe()
796 	if (IS_ERR(abb->ldo_base))  in ti_abb_probe()
797 		return PTR_ERR(abb->ldo_base);  in ti_abb_probe()
803 				 &abb->ldovbb_override_mask);  in ti_abb_probe()
808 	if (!abb->ldovbb_override_mask) {  in ti_abb_probe()
816 				 &abb->ldovbb_vset_mask);  in ti_abb_probe()
821 	if (!abb->ldovbb_vset_mask) {  in ti_abb_probe()
830 				 &abb->txdone_mask);  in ti_abb_probe()
835 	if (!abb->txdone_mask) {  in ti_abb_probe()
841 					      &abb->rdesc);  in ti_abb_probe()
849 	ret = ti_abb_init_table(dev, abb, initdata);  in ti_abb_probe()
854 	ret = ti_abb_init_timings(dev, abb);  in ti_abb_probe()
858 	desc = &abb->rdesc;  in ti_abb_probe()
871 	config.driver_data = abb;  in ti_abb_probe()
884 	ti_abb_rmw(abb->regs->sr2_en_mask, 1, abb->setup_reg);  in ti_abb_probe()