36 struct ep93xx_pwm {  struct
42 static inline struct ep93xx_pwm *to_ep93xx_pwm(struct pwm_chip *chip)  in to_ep93xx_pwm()  argument
44 	return container_of(chip, struct ep93xx_pwm, chip);  in to_ep93xx_pwm()
64 	struct ep93xx_pwm *ep93xx_pwm = to_ep93xx_pwm(chip);  in ep93xx_pwm_config()  local
65 	void __iomem *base = ep93xx_pwm->base;  in ep93xx_pwm_config()
77 		ret = clk_enable(ep93xx_pwm->clk);  in ep93xx_pwm_config()
82 	c = clk_get_rate(ep93xx_pwm->clk);  in ep93xx_pwm_config()
108 		clk_disable(ep93xx_pwm->clk);  in ep93xx_pwm_config()
116 	struct ep93xx_pwm *ep93xx_pwm = to_ep93xx_pwm(chip);  in ep93xx_pwm_polarity()  local
123 	ret = clk_enable(ep93xx_pwm->clk);  in ep93xx_pwm_polarity()
128 		writew(0x1, ep93xx_pwm->base + EP93XX_PWMx_INVERT);  in ep93xx_pwm_polarity()
130 		writew(0x0, ep93xx_pwm->base + EP93XX_PWMx_INVERT);  in ep93xx_pwm_polarity()
132 	clk_disable(ep93xx_pwm->clk);  in ep93xx_pwm_polarity()
139 	struct ep93xx_pwm *ep93xx_pwm = to_ep93xx_pwm(chip);  in ep93xx_pwm_enable()  local
142 	ret = clk_enable(ep93xx_pwm->clk);  in ep93xx_pwm_enable()
146 	writew(0x1, ep93xx_pwm->base + EP93XX_PWMx_ENABLE);  in ep93xx_pwm_enable()
153 	struct ep93xx_pwm *ep93xx_pwm = to_ep93xx_pwm(chip);  in ep93xx_pwm_disable()  local
155 	writew(0x0, ep93xx_pwm->base + EP93XX_PWMx_ENABLE);  in ep93xx_pwm_disable()
156 	clk_disable(ep93xx_pwm->clk);  in ep93xx_pwm_disable()
171 	struct ep93xx_pwm *ep93xx_pwm;  in ep93xx_pwm_probe()  local
175 	ep93xx_pwm = devm_kzalloc(&pdev->dev, sizeof(*ep93xx_pwm), GFP_KERNEL);  in ep93xx_pwm_probe()
176 	if (!ep93xx_pwm)  in ep93xx_pwm_probe()
180 	ep93xx_pwm->base = devm_ioremap_resource(&pdev->dev, res);  in ep93xx_pwm_probe()
181 	if (IS_ERR(ep93xx_pwm->base))  in ep93xx_pwm_probe()
182 		return PTR_ERR(ep93xx_pwm->base);  in ep93xx_pwm_probe()
184 	ep93xx_pwm->clk = devm_clk_get(&pdev->dev, "pwm_clk");  in ep93xx_pwm_probe()
185 	if (IS_ERR(ep93xx_pwm->clk))  in ep93xx_pwm_probe()
186 		return PTR_ERR(ep93xx_pwm->clk);  in ep93xx_pwm_probe()
188 	ep93xx_pwm->chip.dev = &pdev->dev;  in ep93xx_pwm_probe()
189 	ep93xx_pwm->chip.ops = &ep93xx_pwm_ops;  in ep93xx_pwm_probe()
190 	ep93xx_pwm->chip.base = -1;  in ep93xx_pwm_probe()
191 	ep93xx_pwm->chip.npwm = 1;  in ep93xx_pwm_probe()
193 	ret = pwmchip_add(&ep93xx_pwm->chip);  in ep93xx_pwm_probe()
197 	platform_set_drvdata(pdev, ep93xx_pwm);  in ep93xx_pwm_probe()
203 	struct ep93xx_pwm *ep93xx_pwm = platform_get_drvdata(pdev);  in ep93xx_pwm_remove()  local
205 	return pwmchip_remove(&ep93xx_pwm->chip);  in ep93xx_pwm_remove()