12 #include <pwm.h>
17  * Private information for the PWM backlight
25  * @pwm: PWM to use to change the backlight brightness
26  * @channel: PWM channel to use
39 	struct udevice *pwm;  member
58 	ret = pwm_set_config(priv->pwm, priv->channel, priv->period_ns,  in set_pwm()
80 				log_debug("Cannot enable regulator for PWM '%s'\n",  in enable_sequence()
107 	ret = pwm_set_enable(priv->pwm, priv->channel, true);  in pwm_backlight_enable()
189 	ret = dev_read_phandle_with_args(dev, "pwms", "#pwm-cells", 0, 0,  in pwm_backlight_ofdata_to_platdata()
192 		log_debug("Cannot get PWM phandle: ret=%d\n", ret);  in pwm_backlight_ofdata_to_platdata()
196 	ret = uclass_get_device_by_ofnode(UCLASS_PWM, args.node, &priv->pwm);  in pwm_backlight_ofdata_to_platdata()
198 		log_debug("Cannot get PWM: ret=%d\n", ret);  in pwm_backlight_ofdata_to_platdata()
202 		return log_msg_ret("Not enough arguments to pwm\n", -EINVAL);  in pwm_backlight_ofdata_to_platdata()
240 	{ .compatible = "pwm-backlight" },