59 	struct pwm_chip chip;  member
64 #define to_vt8500_chip(chip)	container_of(chip, struct vt8500_chip, chip)  argument
76 		dev_warn(vt8500->chip.dev, "Waiting for status bits 0x%x to clear timed out\n",  in pwm_busy_wait()
80 static int vt8500_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm,  in vt8500_pwm_config()  argument
83 	struct vt8500_chip *vt8500 = to_vt8500_chip(chip);  in vt8500_pwm_config()
91 		dev_err(chip->dev, "failed to enable clock\n");  in vt8500_pwm_config()
134 static int vt8500_pwm_enable(struct pwm_chip *chip, struct pwm_device *pwm)  in vt8500_pwm_enable()  argument
136 	struct vt8500_chip *vt8500 = to_vt8500_chip(chip);  in vt8500_pwm_enable()
142 		dev_err(chip->dev, "failed to enable clock\n");  in vt8500_pwm_enable()
154 static void vt8500_pwm_disable(struct pwm_chip *chip, struct pwm_device *pwm)  in vt8500_pwm_disable()  argument
156 	struct vt8500_chip *vt8500 = to_vt8500_chip(chip);  in vt8500_pwm_disable()
167 static int vt8500_pwm_set_polarity(struct pwm_chip *chip,  in vt8500_pwm_set_polarity()  argument
171 	struct vt8500_chip *vt8500 = to_vt8500_chip(chip);  in vt8500_pwm_set_polarity()
203 	struct vt8500_chip *chip;  in vt8500_pwm_probe()  local
213 	chip = devm_kzalloc(&pdev->dev, sizeof(*chip), GFP_KERNEL);  in vt8500_pwm_probe()
214 	if (chip == NULL)  in vt8500_pwm_probe()
217 	chip->chip.dev = &pdev->dev;  in vt8500_pwm_probe()
218 	chip->chip.ops = &vt8500_pwm_ops;  in vt8500_pwm_probe()
219 	chip->chip.of_xlate = of_pwm_xlate_with_flags;  in vt8500_pwm_probe()
220 	chip->chip.of_pwm_n_cells = 3;  in vt8500_pwm_probe()
221 	chip->chip.base = -1;  in vt8500_pwm_probe()
222 	chip->chip.npwm = VT8500_NR_PWMS;  in vt8500_pwm_probe()
224 	chip->clk = devm_clk_get(&pdev->dev, NULL);  in vt8500_pwm_probe()
225 	if (IS_ERR(chip->clk)) {  in vt8500_pwm_probe()
227 		return PTR_ERR(chip->clk);  in vt8500_pwm_probe()
231 	chip->base = devm_ioremap_resource(&pdev->dev, r);  in vt8500_pwm_probe()
232 	if (IS_ERR(chip->base))  in vt8500_pwm_probe()
233 		return PTR_ERR(chip->base);  in vt8500_pwm_probe()
235 	ret = clk_prepare(chip->clk);  in vt8500_pwm_probe()
241 	ret = pwmchip_add(&chip->chip);  in vt8500_pwm_probe()
247 	platform_set_drvdata(pdev, chip);  in vt8500_pwm_probe()
253 	struct vt8500_chip *chip;  in vt8500_pwm_remove()  local
255 	chip = platform_get_drvdata(pdev);  in vt8500_pwm_remove()
256 	if (chip == NULL)  in vt8500_pwm_remove()
259 	clk_unprepare(chip->clk);  in vt8500_pwm_remove()
261 	return pwmchip_remove(&chip->chip);  in vt8500_pwm_remove()