117 	struct atmel_pwm_chip *atmel_pwm = to_atmel_pwm_chip(chip);  in atmel_pwm_calculate_cprd_and_pres()  local
121 	cycles *= clk_get_rate(atmel_pwm->clk);  in atmel_pwm_calculate_cprd_and_pres()
150 	struct atmel_pwm_chip *atmel_pwm = to_atmel_pwm_chip(chip);  in atmel_pwm_update_cdty()  local
153 	if (atmel_pwm->regs->duty_upd ==  in atmel_pwm_update_cdty()
154 	    atmel_pwm->regs->period_upd) {  in atmel_pwm_update_cdty()
155 		val = atmel_pwm_ch_readl(atmel_pwm, pwm->hwpwm, PWM_CMR);  in atmel_pwm_update_cdty()
157 		atmel_pwm_ch_writel(atmel_pwm, pwm->hwpwm, PWM_CMR, val);  in atmel_pwm_update_cdty()
160 	atmel_pwm_ch_writel(atmel_pwm, pwm->hwpwm,  in atmel_pwm_update_cdty()
161 			    atmel_pwm->regs->duty_upd, cdty);  in atmel_pwm_update_cdty()
168 	struct atmel_pwm_chip *atmel_pwm = to_atmel_pwm_chip(chip);  in atmel_pwm_set_cprd_cdty()  local
170 	atmel_pwm_ch_writel(atmel_pwm, pwm->hwpwm,  in atmel_pwm_set_cprd_cdty()
171 			    atmel_pwm->regs->duty, cdty);  in atmel_pwm_set_cprd_cdty()
172 	atmel_pwm_ch_writel(atmel_pwm, pwm->hwpwm,  in atmel_pwm_set_cprd_cdty()
173 			    atmel_pwm->regs->period, cprd);  in atmel_pwm_set_cprd_cdty()
179 	struct atmel_pwm_chip *atmel_pwm = to_atmel_pwm_chip(chip);  in atmel_pwm_disable()  local
186 	mutex_lock(&atmel_pwm->isr_lock);  in atmel_pwm_disable()
187 	atmel_pwm->updated_pwms |= atmel_pwm_readl(atmel_pwm, PWM_ISR);  in atmel_pwm_disable()
189 	while (!(atmel_pwm->updated_pwms & (1 << pwm->hwpwm)) &&  in atmel_pwm_disable()
192 		atmel_pwm->updated_pwms |= atmel_pwm_readl(atmel_pwm, PWM_ISR);  in atmel_pwm_disable()
195 	mutex_unlock(&atmel_pwm->isr_lock);  in atmel_pwm_disable()
196 	atmel_pwm_writel(atmel_pwm, PWM_DIS, 1 << pwm->hwpwm);  in atmel_pwm_disable()
204 	while ((atmel_pwm_readl(atmel_pwm, PWM_SR) & (1 << pwm->hwpwm)) &&  in atmel_pwm_disable()
209 		clk_disable(atmel_pwm->clk);  in atmel_pwm_disable()
215 	struct atmel_pwm_chip *atmel_pwm = to_atmel_pwm_chip(chip);  in atmel_pwm_apply()  local
227 			cprd = atmel_pwm_ch_readl(atmel_pwm, pwm->hwpwm,  in atmel_pwm_apply()
228 						  atmel_pwm->regs->period);  in atmel_pwm_apply()
247 			ret = clk_enable(atmel_pwm->clk);  in atmel_pwm_apply()
255 		val = atmel_pwm_ch_readl(atmel_pwm, pwm->hwpwm, PWM_CMR);  in atmel_pwm_apply()
261 		atmel_pwm_ch_writel(atmel_pwm, pwm->hwpwm, PWM_CMR, val);  in atmel_pwm_apply()
263 		mutex_lock(&atmel_pwm->isr_lock);  in atmel_pwm_apply()
264 		atmel_pwm->updated_pwms |= atmel_pwm_readl(atmel_pwm, PWM_ISR);  in atmel_pwm_apply()
265 		atmel_pwm->updated_pwms &= ~(1 << pwm->hwpwm);  in atmel_pwm_apply()
266 		mutex_unlock(&atmel_pwm->isr_lock);  in atmel_pwm_apply()
267 		atmel_pwm_writel(atmel_pwm, PWM_ENA, 1 << pwm->hwpwm);  in atmel_pwm_apply()
339 	struct atmel_pwm_chip *atmel_pwm;  in atmel_pwm_probe()  local
347 	atmel_pwm = devm_kzalloc(&pdev->dev, sizeof(*atmel_pwm), GFP_KERNEL);  in atmel_pwm_probe()
348 	if (!atmel_pwm)  in atmel_pwm_probe()
352 	atmel_pwm->base = devm_ioremap_resource(&pdev->dev, res);  in atmel_pwm_probe()
353 	if (IS_ERR(atmel_pwm->base))  in atmel_pwm_probe()
354 		return PTR_ERR(atmel_pwm->base);  in atmel_pwm_probe()
356 	atmel_pwm->clk = devm_clk_get(&pdev->dev, NULL);  in atmel_pwm_probe()
357 	if (IS_ERR(atmel_pwm->clk))  in atmel_pwm_probe()
358 		return PTR_ERR(atmel_pwm->clk);  in atmel_pwm_probe()
360 	ret = clk_prepare(atmel_pwm->clk);  in atmel_pwm_probe()
366 	atmel_pwm->chip.dev = &pdev->dev;  in atmel_pwm_probe()
367 	atmel_pwm->chip.ops = &atmel_pwm_ops;  in atmel_pwm_probe()
370 		atmel_pwm->chip.of_xlate = of_pwm_xlate_with_flags;  in atmel_pwm_probe()
371 		atmel_pwm->chip.of_pwm_n_cells = 3;  in atmel_pwm_probe()
374 	atmel_pwm->chip.base = -1;  in atmel_pwm_probe()
375 	atmel_pwm->chip.npwm = 4;  in atmel_pwm_probe()
376 	atmel_pwm->regs = regs;  in atmel_pwm_probe()
377 	atmel_pwm->updated_pwms = 0;  in atmel_pwm_probe()
378 	mutex_init(&atmel_pwm->isr_lock);  in atmel_pwm_probe()
380 	ret = pwmchip_add(&atmel_pwm->chip);  in atmel_pwm_probe()
386 	platform_set_drvdata(pdev, atmel_pwm);  in atmel_pwm_probe()
391 	clk_unprepare(atmel_pwm->clk);  in atmel_pwm_probe()
397 	struct atmel_pwm_chip *atmel_pwm = platform_get_drvdata(pdev);  in atmel_pwm_remove()  local
399 	clk_unprepare(atmel_pwm->clk);  in atmel_pwm_remove()
400 	mutex_destroy(&atmel_pwm->isr_lock);  in atmel_pwm_remove()
402 	return pwmchip_remove(&atmel_pwm->chip);  in atmel_pwm_remove()