103 	struct rockchip_pwm_chip *pc = to_rockchip_pwm_chip(chip);  in rockchip_pwm_get_state()  local
104 	u32 enable_conf = pc->data->enable_conf;  in rockchip_pwm_get_state()
110 	if (!pc->oneshot_en) {  in rockchip_pwm_get_state()
111 		ret = clk_enable(pc->pclk);  in rockchip_pwm_get_state()
116 	dclk_div = pc->oneshot_en ? 2 : 1;  in rockchip_pwm_get_state()
118 	tmp = readl_relaxed(pc->base + pc->data->regs.period);  in rockchip_pwm_get_state()
119 	tmp *= dclk_div * pc->data->prescaler * NSEC_PER_SEC;  in rockchip_pwm_get_state()
120 	state->period = DIV_ROUND_CLOSEST_ULL(tmp, pc->clk_rate);  in rockchip_pwm_get_state()
122 	tmp = readl_relaxed(pc->base + pc->data->regs.duty);  in rockchip_pwm_get_state()
123 	tmp *= dclk_div * pc->data->prescaler * NSEC_PER_SEC;  in rockchip_pwm_get_state()
124 	state->duty_cycle =  DIV_ROUND_CLOSEST_ULL(tmp, pc->clk_rate);  in rockchip_pwm_get_state()
126 	val = readl_relaxed(pc->base + pc->data->regs.ctrl);  in rockchip_pwm_get_state()
127 	if (pc->oneshot_en)  in rockchip_pwm_get_state()
131 	if (pc->data->supports_polarity && !(val & PWM_DUTY_POSITIVE))  in rockchip_pwm_get_state()
136 	if (!pc->oneshot_en)  in rockchip_pwm_get_state()
137 		clk_disable(pc->pclk);  in rockchip_pwm_get_state()
142 	struct rockchip_pwm_chip *pc = data;  in rockchip_pwm_oneshot_irq()  local
144 	unsigned int id = pc->channel_id;  in rockchip_pwm_oneshot_irq()
149 	val = readl_relaxed(pc->base + PWM_REG_INTSTS(id));  in rockchip_pwm_oneshot_irq()
154 	writel_relaxed(PWM_CH_INT(id), pc->base + PWM_REG_INTSTS(id));  in rockchip_pwm_oneshot_irq()
159 	pwm_get_state(&pc->chip.pwms[0], &state);  in rockchip_pwm_oneshot_irq()
161 	pwm_apply_state(&pc->chip.pwms[0], &state);  in rockchip_pwm_oneshot_irq()
163 	rockchip_pwm_oneshot_callback(&pc->chip.pwms[0], &state);  in rockchip_pwm_oneshot_irq()
171 	struct rockchip_pwm_chip *pc = to_rockchip_pwm_chip(chip);  in rockchip_pwm_config()  local
188 	div = (u64)pc->clk_rate * state->period;  in rockchip_pwm_config()
189 	period = DIV_ROUND_CLOSEST_ULL(div, dclk_div * pc->data->prescaler * NSEC_PER_SEC);  in rockchip_pwm_config()
191 	div = (u64)pc->clk_rate * state->duty_cycle;  in rockchip_pwm_config()
192 	duty = DIV_ROUND_CLOSEST_ULL(div, dclk_div * pc->data->prescaler * NSEC_PER_SEC);  in rockchip_pwm_config()
199 	ctrl = readl_relaxed(pc->base + pc->data->regs.ctrl);  in rockchip_pwm_config()
200 	if (pc->data->vop_pwm) {  in rockchip_pwm_config()
201 		if (pc->vop_pwm_en)  in rockchip_pwm_config()
224 		pc->oneshot_en = true;  in rockchip_pwm_config()
231 		int_ctrl = readl_relaxed(pc->base + PWM_REG_INT_EN(pc->channel_id));  in rockchip_pwm_config()
232 		int_ctrl |= PWM_CH_INT(pc->channel_id);  in rockchip_pwm_config()
233 		writel_relaxed(int_ctrl, pc->base + PWM_REG_INT_EN(pc->channel_id));  in rockchip_pwm_config()
244 		pc->oneshot_en = false;  in rockchip_pwm_config()
250 		int_ctrl = readl_relaxed(pc->base + PWM_REG_INT_EN(pc->channel_id));  in rockchip_pwm_config()
251 		int_ctrl &= ~PWM_CH_INT(pc->channel_id);  in rockchip_pwm_config()
252 		writel_relaxed(int_ctrl, pc->base + PWM_REG_INT_EN(pc->channel_id));  in rockchip_pwm_config()
256 	if (pc->data->supports_lock) {  in rockchip_pwm_config()
258 		writel_relaxed(ctrl, pc->base + pc->data->regs.ctrl);  in rockchip_pwm_config()
261 	writel(period, pc->base + pc->data->regs.period);  in rockchip_pwm_config()
262 	writel(duty, pc->base + pc->data->regs.duty);  in rockchip_pwm_config()
264 	if (pc->data->supports_polarity) {  in rockchip_pwm_config()
277 	if (pc->data->supports_lock)  in rockchip_pwm_config()
280 	writel(ctrl, pc->base + pc->data->regs.ctrl);  in rockchip_pwm_config()
288 	struct rockchip_pwm_chip *pc = to_rockchip_pwm_chip(chip);  in rockchip_pwm_enable()  local
289 	u32 enable_conf = pc->data->enable_conf;  in rockchip_pwm_enable()
294 		ret = clk_enable(pc->clk);  in rockchip_pwm_enable()
299 	val = readl_relaxed(pc->base + pc->data->regs.ctrl);  in rockchip_pwm_enable()
300 	val &= ~pc->data->enable_conf_mask;  in rockchip_pwm_enable()
302 	if (PWM_OUTPUT_CENTER & pc->data->enable_conf_mask) {  in rockchip_pwm_enable()
303 		if (pc->center_aligned)  in rockchip_pwm_enable()
309 		if (pc->oneshot_en)  in rockchip_pwm_enable()
315 	writel_relaxed(val, pc->base + pc->data->regs.ctrl);  in rockchip_pwm_enable()
316 	if (pc->data->vop_pwm)  in rockchip_pwm_enable()
317 		pc->vop_pwm_en = enable;  in rockchip_pwm_enable()
320 		clk_disable(pc->clk);  in rockchip_pwm_enable()
328 	struct rockchip_pwm_chip *pc = to_rockchip_pwm_chip(chip);  in rockchip_pwm_apply()  local
333 	if (!pc->oneshot_en) {  in rockchip_pwm_apply()
334 		ret = clk_enable(pc->pclk);  in rockchip_pwm_apply()
343 	    !pc->data->supports_lock) {  in rockchip_pwm_apply()
358 		ret = pinctrl_select_state(pc->pinctrl, pc->active_state);  in rockchip_pwm_apply()
360 	if (!pc->oneshot_en)  in rockchip_pwm_apply()
361 		clk_disable(pc->pclk);  in rockchip_pwm_apply()
454 	struct rockchip_pwm_chip *pc;  in rockchip_pwm_probe()  local
464 	pc = devm_kzalloc(&pdev->dev, sizeof(*pc), GFP_KERNEL);  in rockchip_pwm_probe()
465 	if (!pc)  in rockchip_pwm_probe()
469 	pc->base = devm_ioremap(&pdev->dev, r->start,  in rockchip_pwm_probe()
471 	if (IS_ERR(pc->base))  in rockchip_pwm_probe()
472 		return PTR_ERR(pc->base);  in rockchip_pwm_probe()
474 	pc->clk = devm_clk_get(&pdev->dev, "pwm");  in rockchip_pwm_probe()
475 	if (IS_ERR(pc->clk)) {  in rockchip_pwm_probe()
476 		pc->clk = devm_clk_get(&pdev->dev, NULL);  in rockchip_pwm_probe()
477 		if (IS_ERR(pc->clk))  in rockchip_pwm_probe()
478 			return dev_err_probe(&pdev->dev, PTR_ERR(pc->clk),  in rockchip_pwm_probe()
485 		pc->pclk = devm_clk_get(&pdev->dev, "pclk");  in rockchip_pwm_probe()
487 		pc->pclk = pc->clk;  in rockchip_pwm_probe()
489 	if (IS_ERR(pc->pclk)) {  in rockchip_pwm_probe()
490 		ret = PTR_ERR(pc->pclk);  in rockchip_pwm_probe()
496 	ret = clk_prepare_enable(pc->clk);  in rockchip_pwm_probe()
502 	ret = clk_prepare_enable(pc->pclk);  in rockchip_pwm_probe()
508 	pc->channel_id = rockchip_pwm_get_channel_id(pdev->dev.of_node->full_name);  in rockchip_pwm_probe()
509 	if (pc->channel_id < 0 || pc->channel_id >= PWM_MAX_CHANNEL_NUM) {  in rockchip_pwm_probe()
510 		dev_err(&pdev->dev, "Channel id is out of range: %d\n", pc->channel_id);  in rockchip_pwm_probe()
516 		pc->irq = platform_get_irq(pdev, 0);  in rockchip_pwm_probe()
517 		if (pc->irq < 0) {  in rockchip_pwm_probe()
519 			ret = pc->irq;  in rockchip_pwm_probe()
523 		ret = devm_request_irq(&pdev->dev, pc->irq, rockchip_pwm_oneshot_irq,  in rockchip_pwm_probe()
525 				       "rk_pwm_oneshot_irq", pc);  in rockchip_pwm_probe()
532 	pc->pinctrl = devm_pinctrl_get(&pdev->dev);  in rockchip_pwm_probe()
533 	if (IS_ERR(pc->pinctrl)) {  in rockchip_pwm_probe()
535 		ret = PTR_ERR(pc->pinctrl);  in rockchip_pwm_probe()
539 	pc->active_state = pinctrl_lookup_state(pc->pinctrl, "active");  in rockchip_pwm_probe()
540 	if (IS_ERR(pc->active_state)) {  in rockchip_pwm_probe()
542 		ret = PTR_ERR(pc->active_state);  in rockchip_pwm_probe()
546 	platform_set_drvdata(pdev, pc);  in rockchip_pwm_probe()
548 	pc->data = id->data;  in rockchip_pwm_probe()
549 	pc->chip.dev = &pdev->dev;  in rockchip_pwm_probe()
550 	pc->chip.ops = &rockchip_pwm_ops;  in rockchip_pwm_probe()
551 	pc->chip.base = of_alias_get_id(pdev->dev.of_node, "pwm");  in rockchip_pwm_probe()
552 	pc->chip.npwm = 1;  in rockchip_pwm_probe()
553 	pc->clk_rate = clk_get_rate(pc->clk);  in rockchip_pwm_probe()
555 	if (pc->data->supports_polarity) {  in rockchip_pwm_probe()
556 		pc->chip.of_xlate = of_pwm_xlate_with_flags;  in rockchip_pwm_probe()
557 		pc->chip.of_pwm_n_cells = 3;  in rockchip_pwm_probe()
560 	enable_conf = pc->data->enable_conf;  in rockchip_pwm_probe()
561 	ctrl = readl_relaxed(pc->base + pc->data->regs.ctrl);  in rockchip_pwm_probe()
564 	pc->center_aligned =  in rockchip_pwm_probe()
567 	ret = pwmchip_add(&pc->chip);  in rockchip_pwm_probe()
575 		clk_disable(pc->clk);  in rockchip_pwm_probe()
577 	clk_disable(pc->pclk);  in rockchip_pwm_probe()
582 	clk_disable_unprepare(pc->pclk);  in rockchip_pwm_probe()
584 	clk_disable_unprepare(pc->clk);  in rockchip_pwm_probe()
591 	struct rockchip_pwm_chip *pc = platform_get_drvdata(pdev);  in rockchip_pwm_remove()  local
599 	pwm_get_state(&pc->chip.pwms[0], &state);  in rockchip_pwm_remove()
601 		if (pc->oneshot_en) {  in rockchip_pwm_remove()
602 			if (readl_poll_timeout(pc->base + pc->data->regs.ctrl,  in rockchip_pwm_remove()
607 			pwm_apply_state(&pc->chip.pwms[0], &state);  in rockchip_pwm_remove()
611 	if (pc->oneshot_en)  in rockchip_pwm_remove()
612 		clk_disable(pc->pclk);  in rockchip_pwm_remove()
613 	clk_unprepare(pc->pclk);  in rockchip_pwm_remove()
614 	clk_unprepare(pc->clk);  in rockchip_pwm_remove()
616 	return pwmchip_remove(&pc->chip);  in rockchip_pwm_remove()