110 	struct atmel_pwm_chip *atmel_pwm = to_atmel_pwm_chip(chip);  in atmel_pwm_config()  local
123 	div = (unsigned long long)clk_get_rate(atmel_pwm->clk) * period_ns;  in atmel_pwm_config()
142 	ret = clk_enable(atmel_pwm->clk);  in atmel_pwm_config()
149 	val = atmel_pwm_ch_readl(atmel_pwm, pwm->hwpwm, PWM_CMR);  in atmel_pwm_config()
151 	atmel_pwm_ch_writel(atmel_pwm, pwm->hwpwm, PWM_CMR, val);  in atmel_pwm_config()
152 	atmel_pwm->config(chip, pwm, dty, prd);  in atmel_pwm_config()
153 	mutex_lock(&atmel_pwm->isr_lock);  in atmel_pwm_config()
154 	atmel_pwm->updated_pwms |= atmel_pwm_readl(atmel_pwm, PWM_ISR);  in atmel_pwm_config()
155 	atmel_pwm->updated_pwms &= ~(1 << pwm->hwpwm);  in atmel_pwm_config()
156 	mutex_unlock(&atmel_pwm->isr_lock);  in atmel_pwm_config()
158 	clk_disable(atmel_pwm->clk);  in atmel_pwm_config()
165 	struct atmel_pwm_chip *atmel_pwm = to_atmel_pwm_chip(chip);  in atmel_pwm_config_v1()  local
169 	atmel_pwm_ch_writel(atmel_pwm, pwm->hwpwm, PWMV1_CUPD, dty);  in atmel_pwm_config_v1()
171 	val = atmel_pwm_ch_readl(atmel_pwm, pwm->hwpwm, PWM_CMR);  in atmel_pwm_config_v1()
173 	atmel_pwm_ch_writel(atmel_pwm, pwm->hwpwm, PWM_CMR, val);  in atmel_pwm_config_v1()
185 	atmel_pwm_ch_writel(atmel_pwm, pwm->hwpwm, PWMV1_CDTY, dty);  in atmel_pwm_config_v1()
186 	atmel_pwm_ch_writel(atmel_pwm, pwm->hwpwm, PWMV1_CPRD, prd);  in atmel_pwm_config_v1()
192 	struct atmel_pwm_chip *atmel_pwm = to_atmel_pwm_chip(chip);  in atmel_pwm_config_v2()  local
199 		atmel_pwm_ch_writel(atmel_pwm, pwm->hwpwm, PWMV2_CDTYUPD, dty);  in atmel_pwm_config_v2()
205 		atmel_pwm_ch_writel(atmel_pwm, pwm->hwpwm, PWMV2_CDTY, dty);  in atmel_pwm_config_v2()
206 		atmel_pwm_ch_writel(atmel_pwm, pwm->hwpwm, PWMV2_CPRD, prd);  in atmel_pwm_config_v2()
213 	struct atmel_pwm_chip *atmel_pwm = to_atmel_pwm_chip(chip);  in atmel_pwm_set_polarity()  local
217 	val = atmel_pwm_ch_readl(atmel_pwm, pwm->hwpwm, PWM_CMR);  in atmel_pwm_set_polarity()
224 	ret = clk_enable(atmel_pwm->clk);  in atmel_pwm_set_polarity()
230 	atmel_pwm_ch_writel(atmel_pwm, pwm->hwpwm, PWM_CMR, val);  in atmel_pwm_set_polarity()
232 	clk_disable(atmel_pwm->clk);  in atmel_pwm_set_polarity()
239 	struct atmel_pwm_chip *atmel_pwm = to_atmel_pwm_chip(chip);  in atmel_pwm_enable()  local
242 	ret = clk_enable(atmel_pwm->clk);  in atmel_pwm_enable()
248 	atmel_pwm_writel(atmel_pwm, PWM_ENA, 1 << pwm->hwpwm);  in atmel_pwm_enable()
255 	struct atmel_pwm_chip *atmel_pwm = to_atmel_pwm_chip(chip);  in atmel_pwm_disable()  local
262 	mutex_lock(&atmel_pwm->isr_lock);  in atmel_pwm_disable()
263 	atmel_pwm->updated_pwms |= atmel_pwm_readl(atmel_pwm, PWM_ISR);  in atmel_pwm_disable()
265 	while (!(atmel_pwm->updated_pwms & (1 << pwm->hwpwm)) &&  in atmel_pwm_disable()
268 		atmel_pwm->updated_pwms |= atmel_pwm_readl(atmel_pwm, PWM_ISR);  in atmel_pwm_disable()
271 	mutex_unlock(&atmel_pwm->isr_lock);  in atmel_pwm_disable()
272 	atmel_pwm_writel(atmel_pwm, PWM_DIS, 1 << pwm->hwpwm);  in atmel_pwm_disable()
274 	clk_disable(atmel_pwm->clk);  in atmel_pwm_disable()
347 	struct atmel_pwm_chip *atmel_pwm;  in atmel_pwm_probe()  local
355 	atmel_pwm = devm_kzalloc(&pdev->dev, sizeof(*atmel_pwm), GFP_KERNEL);  in atmel_pwm_probe()
356 	if (!atmel_pwm)  in atmel_pwm_probe()
360 	atmel_pwm->base = devm_ioremap_resource(&pdev->dev, res);  in atmel_pwm_probe()
361 	if (IS_ERR(atmel_pwm->base))  in atmel_pwm_probe()
362 		return PTR_ERR(atmel_pwm->base);  in atmel_pwm_probe()
364 	atmel_pwm->clk = devm_clk_get(&pdev->dev, NULL);  in atmel_pwm_probe()
365 	if (IS_ERR(atmel_pwm->clk))  in atmel_pwm_probe()
366 		return PTR_ERR(atmel_pwm->clk);  in atmel_pwm_probe()
368 	ret = clk_prepare(atmel_pwm->clk);  in atmel_pwm_probe()
374 	atmel_pwm->chip.dev = &pdev->dev;  in atmel_pwm_probe()
375 	atmel_pwm->chip.ops = &atmel_pwm_ops;  in atmel_pwm_probe()
378 		atmel_pwm->chip.of_xlate = of_pwm_xlate_with_flags;  in atmel_pwm_probe()
379 		atmel_pwm->chip.of_pwm_n_cells = 3;  in atmel_pwm_probe()
382 	atmel_pwm->chip.base = -1;  in atmel_pwm_probe()
383 	atmel_pwm->chip.npwm = 4;  in atmel_pwm_probe()
384 	atmel_pwm->chip.can_sleep = true;  in atmel_pwm_probe()
385 	atmel_pwm->config = data->config;  in atmel_pwm_probe()
386 	atmel_pwm->updated_pwms = 0;  in atmel_pwm_probe()
387 	mutex_init(&atmel_pwm->isr_lock);  in atmel_pwm_probe()
389 	ret = pwmchip_add(&atmel_pwm->chip);  in atmel_pwm_probe()
395 	platform_set_drvdata(pdev, atmel_pwm);  in atmel_pwm_probe()
400 	clk_unprepare(atmel_pwm->clk);  in atmel_pwm_probe()
406 	struct atmel_pwm_chip *atmel_pwm = platform_get_drvdata(pdev);  in atmel_pwm_remove()  local
408 	clk_unprepare(atmel_pwm->clk);  in atmel_pwm_remove()
409 	mutex_destroy(&atmel_pwm->isr_lock);  in atmel_pwm_remove()
411 	return pwmchip_remove(&atmel_pwm->chip);  in atmel_pwm_remove()