199 	struct atmel_pwm_chip *atmel_pwm = to_atmel_pwm_chip(chip);  in atmel_pwm_calculate_cprd_and_pres()  local
212 	shift = fls(cycles) - atmel_pwm->data->cfg.period_bits;  in atmel_pwm_calculate_cprd_and_pres()
244 	struct atmel_pwm_chip *atmel_pwm = to_atmel_pwm_chip(chip);  in atmel_pwm_update_cdty()  local
247 	if (atmel_pwm->data->regs.duty_upd ==  in atmel_pwm_update_cdty()
248 	    atmel_pwm->data->regs.period_upd) {  in atmel_pwm_update_cdty()
249 		val = atmel_pwm_ch_readl(atmel_pwm, pwm->hwpwm, PWM_CMR);  in atmel_pwm_update_cdty()
251 		atmel_pwm_ch_writel(atmel_pwm, pwm->hwpwm, PWM_CMR, val);  in atmel_pwm_update_cdty()
254 	atmel_pwm_ch_writel(atmel_pwm, pwm->hwpwm,  in atmel_pwm_update_cdty()
255 			    atmel_pwm->data->regs.duty_upd, cdty);  in atmel_pwm_update_cdty()
256 	atmel_pwm_set_pending(atmel_pwm, pwm->hwpwm);  in atmel_pwm_update_cdty()
263 	struct atmel_pwm_chip *atmel_pwm = to_atmel_pwm_chip(chip);  in atmel_pwm_set_cprd_cdty()  local
265 	atmel_pwm_ch_writel(atmel_pwm, pwm->hwpwm,  in atmel_pwm_set_cprd_cdty()
266 			    atmel_pwm->data->regs.duty, cdty);  in atmel_pwm_set_cprd_cdty()
267 	atmel_pwm_ch_writel(atmel_pwm, pwm->hwpwm,  in atmel_pwm_set_cprd_cdty()
268 			    atmel_pwm->data->regs.period, cprd);  in atmel_pwm_set_cprd_cdty()
274 	struct atmel_pwm_chip *atmel_pwm = to_atmel_pwm_chip(chip);  in atmel_pwm_disable()  local
277 	atmel_pwm_wait_nonpending(atmel_pwm, pwm->hwpwm);  in atmel_pwm_disable()
279 	atmel_pwm_writel(atmel_pwm, PWM_DIS, 1 << pwm->hwpwm);  in atmel_pwm_disable()
287 	while ((atmel_pwm_readl(atmel_pwm, PWM_SR) & (1 << pwm->hwpwm)) &&  in atmel_pwm_disable()
292 		clk_disable(atmel_pwm->clk);  in atmel_pwm_disable()
298 	struct atmel_pwm_chip *atmel_pwm = to_atmel_pwm_chip(chip);  in atmel_pwm_apply()  local
307 		unsigned long clkrate = clk_get_rate(atmel_pwm->clk);  in atmel_pwm_apply()
312 			u32 cmr = atmel_pwm_ch_readl(atmel_pwm, pwm->hwpwm, PWM_CMR);  in atmel_pwm_apply()
314 			cprd = atmel_pwm_ch_readl(atmel_pwm, pwm->hwpwm,  in atmel_pwm_apply()
315 						  atmel_pwm->data->regs.period);  in atmel_pwm_apply()
336 			ret = clk_enable(atmel_pwm->clk);  in atmel_pwm_apply()
344 		val = atmel_pwm_ch_readl(atmel_pwm, pwm->hwpwm, PWM_CMR);  in atmel_pwm_apply()
350 		atmel_pwm_ch_writel(atmel_pwm, pwm->hwpwm, PWM_CMR, val);  in atmel_pwm_apply()
352 		atmel_pwm_writel(atmel_pwm, PWM_ENA, 1 << pwm->hwpwm);  in atmel_pwm_apply()
363 	struct atmel_pwm_chip *atmel_pwm = to_atmel_pwm_chip(chip);  in atmel_pwm_get_state()  local
366 	sr = atmel_pwm_readl(atmel_pwm, PWM_SR);  in atmel_pwm_get_state()
367 	cmr = atmel_pwm_ch_readl(atmel_pwm, pwm->hwpwm, PWM_CMR);  in atmel_pwm_get_state()
370 		unsigned long rate = clk_get_rate(atmel_pwm->clk);  in atmel_pwm_get_state()
376 		cprd = atmel_pwm_ch_readl(atmel_pwm, pwm->hwpwm,  in atmel_pwm_get_state()
377 					  atmel_pwm->data->regs.period);  in atmel_pwm_get_state()
383 		atmel_pwm_wait_nonpending(atmel_pwm, pwm->hwpwm);  in atmel_pwm_get_state()
385 		cdty = atmel_pwm_ch_readl(atmel_pwm, pwm->hwpwm,  in atmel_pwm_get_state()
386 					  atmel_pwm->data->regs.duty);  in atmel_pwm_get_state()
468 	struct atmel_pwm_chip *atmel_pwm;  in atmel_pwm_probe()  local
471 	atmel_pwm = devm_kzalloc(&pdev->dev, sizeof(*atmel_pwm), GFP_KERNEL);  in atmel_pwm_probe()
472 	if (!atmel_pwm)  in atmel_pwm_probe()
475 	atmel_pwm->data = of_device_get_match_data(&pdev->dev);  in atmel_pwm_probe()
477 	atmel_pwm->update_pending = 0;  in atmel_pwm_probe()
478 	spin_lock_init(&atmel_pwm->lock);  in atmel_pwm_probe()
480 	atmel_pwm->base = devm_platform_ioremap_resource(pdev, 0);  in atmel_pwm_probe()
481 	if (IS_ERR(atmel_pwm->base))  in atmel_pwm_probe()
482 		return PTR_ERR(atmel_pwm->base);  in atmel_pwm_probe()
484 	atmel_pwm->clk = devm_clk_get(&pdev->dev, NULL);  in atmel_pwm_probe()
485 	if (IS_ERR(atmel_pwm->clk))  in atmel_pwm_probe()
486 		return PTR_ERR(atmel_pwm->clk);  in atmel_pwm_probe()
488 	ret = clk_prepare(atmel_pwm->clk);  in atmel_pwm_probe()
494 	atmel_pwm->chip.dev = &pdev->dev;  in atmel_pwm_probe()
495 	atmel_pwm->chip.ops = &atmel_pwm_ops;  in atmel_pwm_probe()
496 	atmel_pwm->chip.npwm = 4;  in atmel_pwm_probe()
498 	ret = pwmchip_add(&atmel_pwm->chip);  in atmel_pwm_probe()
504 	platform_set_drvdata(pdev, atmel_pwm);  in atmel_pwm_probe()
509 	clk_unprepare(atmel_pwm->clk);  in atmel_pwm_probe()
515 	struct atmel_pwm_chip *atmel_pwm = platform_get_drvdata(pdev);  in atmel_pwm_remove()  local
517 	pwmchip_remove(&atmel_pwm->chip);  in atmel_pwm_remove()
519 	clk_unprepare(atmel_pwm->clk);  in atmel_pwm_remove()