88 static int img_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm,  in img_pwm_config()  argument
127 	val &= ~(PWM_CTRL_CFG_DIV_MASK << PWM_CTRL_CFG_DIV_SHIFT(pwm->hwpwm));  in img_pwm_config()
129 		PWM_CTRL_CFG_DIV_SHIFT(pwm->hwpwm);  in img_pwm_config()
134 	img_pwm_writel(pwm_chip, PWM_CH_CFG(pwm->hwpwm), val);  in img_pwm_config()
139 static int img_pwm_enable(struct pwm_chip *chip, struct pwm_device *pwm)  in img_pwm_enable()  argument
145 	val |= BIT(pwm->hwpwm);  in img_pwm_enable()
150 			   PERIP_PWM_PDM_CONTROL_CH_SHIFT(pwm->hwpwm), 0);  in img_pwm_enable()
155 static void img_pwm_disable(struct pwm_chip *chip, struct pwm_device *pwm)  in img_pwm_disable()  argument
161 	val &= ~BIT(pwm->hwpwm);  in img_pwm_disable()
191 	struct img_pwm_chip *pwm;  in img_pwm_probe()  local
194 	pwm = devm_kzalloc(&pdev->dev, sizeof(*pwm), GFP_KERNEL);  in img_pwm_probe()
195 	if (!pwm)  in img_pwm_probe()
198 	pwm->dev = &pdev->dev;  in img_pwm_probe()
201 	pwm->base = devm_ioremap_resource(&pdev->dev, res);  in img_pwm_probe()
202 	if (IS_ERR(pwm->base))  in img_pwm_probe()
203 		return PTR_ERR(pwm->base);  in img_pwm_probe()
208 	pwm->data = of_dev_id->data;  in img_pwm_probe()
210 	pwm->periph_regs = syscon_regmap_lookup_by_phandle(pdev->dev.of_node,  in img_pwm_probe()
212 	if (IS_ERR(pwm->periph_regs))  in img_pwm_probe()
213 		return PTR_ERR(pwm->periph_regs);  in img_pwm_probe()
215 	pwm->sys_clk = devm_clk_get(&pdev->dev, "sys");  in img_pwm_probe()
216 	if (IS_ERR(pwm->sys_clk)) {  in img_pwm_probe()
218 		return PTR_ERR(pwm->sys_clk);  in img_pwm_probe()
221 	pwm->pwm_clk = devm_clk_get(&pdev->dev, "pwm");  in img_pwm_probe()
222 	if (IS_ERR(pwm->pwm_clk)) {  in img_pwm_probe()
224 		return PTR_ERR(pwm->pwm_clk);  in img_pwm_probe()
227 	ret = clk_prepare_enable(pwm->sys_clk);  in img_pwm_probe()
233 	ret = clk_prepare_enable(pwm->pwm_clk);  in img_pwm_probe()
239 	clk_rate = clk_get_rate(pwm->pwm_clk);  in img_pwm_probe()
242 	val = (u64)NSEC_PER_SEC * 512 * pwm->data->max_timebase;  in img_pwm_probe()
244 	pwm->max_period_ns = val;  in img_pwm_probe()
248 	pwm->min_period_ns = val;  in img_pwm_probe()
250 	pwm->chip.dev = &pdev->dev;  in img_pwm_probe()
251 	pwm->chip.ops = &img_pwm_ops;  in img_pwm_probe()
252 	pwm->chip.base = -1;  in img_pwm_probe()
253 	pwm->chip.npwm = 4;  in img_pwm_probe()
255 	ret = pwmchip_add(&pwm->chip);  in img_pwm_probe()
261 	platform_set_drvdata(pdev, pwm);  in img_pwm_probe()
265 	clk_disable_unprepare(pwm->pwm_clk);  in img_pwm_probe()
267 	clk_disable_unprepare(pwm->sys_clk);  in img_pwm_probe()