57 static void iproc_pwmc_enable(struct iproc_pwmc *ip, unsigned int channel)  in iproc_pwmc_enable()  argument
61 	value = readl(ip->base + IPROC_PWM_CTRL_OFFSET);  in iproc_pwmc_enable()
63 	writel(value, ip->base + IPROC_PWM_CTRL_OFFSET);  in iproc_pwmc_enable()
69 static void iproc_pwmc_disable(struct iproc_pwmc *ip, unsigned int channel)  in iproc_pwmc_disable()  argument
73 	value = readl(ip->base + IPROC_PWM_CTRL_OFFSET);  in iproc_pwmc_disable()
75 	writel(value, ip->base + IPROC_PWM_CTRL_OFFSET);  in iproc_pwmc_disable()
84 	struct iproc_pwmc *ip = to_iproc_pwmc(chip);  in iproc_pwmc_get_state()  local
88 	value = readl(ip->base + IPROC_PWM_CTRL_OFFSET);  in iproc_pwmc_get_state()
100 	rate = clk_get_rate(ip->clk);  in iproc_pwmc_get_state()
107 	value = readl(ip->base + IPROC_PWM_PRESCALE_OFFSET);  in iproc_pwmc_get_state()
113 	value = readl(ip->base + IPROC_PWM_PERIOD_OFFSET(pwm->hwpwm));  in iproc_pwmc_get_state()
117 	value = readl(ip->base + IPROC_PWM_DUTY_CYCLE_OFFSET(pwm->hwpwm));  in iproc_pwmc_get_state()
126 	struct iproc_pwmc *ip = to_iproc_pwmc(chip);  in iproc_pwmc_apply()  local
130 	rate = clk_get_rate(ip->clk);  in iproc_pwmc_apply()
163 	iproc_pwmc_disable(ip, pwm->hwpwm);  in iproc_pwmc_apply()
166 	value = readl(ip->base + IPROC_PWM_PRESCALE_OFFSET);  in iproc_pwmc_apply()
169 	writel(value, ip->base + IPROC_PWM_PRESCALE_OFFSET);  in iproc_pwmc_apply()
172 	writel(period, ip->base + IPROC_PWM_PERIOD_OFFSET(pwm->hwpwm));  in iproc_pwmc_apply()
173 	writel(duty, ip->base + IPROC_PWM_DUTY_CYCLE_OFFSET(pwm->hwpwm));  in iproc_pwmc_apply()
176 	value = readl(ip->base + IPROC_PWM_CTRL_OFFSET);  in iproc_pwmc_apply()
183 	writel(value, ip->base + IPROC_PWM_CTRL_OFFSET);  in iproc_pwmc_apply()
186 		iproc_pwmc_enable(ip, pwm->hwpwm);  in iproc_pwmc_apply()
199 	struct iproc_pwmc *ip;  in iproc_pwmc_probe()  local
204 	ip = devm_kzalloc(&pdev->dev, sizeof(*ip), GFP_KERNEL);  in iproc_pwmc_probe()
205 	if (!ip)  in iproc_pwmc_probe()
208 	platform_set_drvdata(pdev, ip);  in iproc_pwmc_probe()
210 	ip->chip.dev = &pdev->dev;  in iproc_pwmc_probe()
211 	ip->chip.ops = &iproc_pwm_ops;  in iproc_pwmc_probe()
212 	ip->chip.npwm = 4;  in iproc_pwmc_probe()
214 	ip->base = devm_platform_ioremap_resource(pdev, 0);  in iproc_pwmc_probe()
215 	if (IS_ERR(ip->base))  in iproc_pwmc_probe()
216 		return PTR_ERR(ip->base);  in iproc_pwmc_probe()
218 	ip->clk = devm_clk_get(&pdev->dev, NULL);  in iproc_pwmc_probe()
219 	if (IS_ERR(ip->clk)) {  in iproc_pwmc_probe()
221 			PTR_ERR(ip->clk));  in iproc_pwmc_probe()
222 		return PTR_ERR(ip->clk);  in iproc_pwmc_probe()
225 	ret = clk_prepare_enable(ip->clk);  in iproc_pwmc_probe()
232 	value = readl(ip->base + IPROC_PWM_CTRL_OFFSET);  in iproc_pwmc_probe()
234 	for (i = 0; i < ip->chip.npwm; i++) {  in iproc_pwmc_probe()
239 	writel(value, ip->base + IPROC_PWM_CTRL_OFFSET);  in iproc_pwmc_probe()
241 	ret = pwmchip_add(&ip->chip);  in iproc_pwmc_probe()
244 		clk_disable_unprepare(ip->clk);  in iproc_pwmc_probe()
252 	struct iproc_pwmc *ip = platform_get_drvdata(pdev);  in iproc_pwmc_remove()  local
254 	pwmchip_remove(&ip->chip);  in iproc_pwmc_remove()
256 	clk_disable_unprepare(ip->clk);  in iproc_pwmc_remove()