4  * SPDX-License-Identifier: Apache-2.0
10 #include <zephyr/drivers/dac.h>
19 	dac_reference_voltage_source_t reference;  member
30 	const struct mcux_dac_config *config = dev->config;  in mcux_dac_channel_setup()
31 	struct mcux_dac_data *data = dev->data;  in mcux_dac_channel_setup()
34 	if (channel_cfg->channel_id != 0) {  in mcux_dac_channel_setup()
35 		LOG_ERR("unsupported channel %d", channel_cfg->channel_id);  in mcux_dac_channel_setup()
36 		return -ENOTSUP;  in mcux_dac_channel_setup()
39 	if (channel_cfg->resolution != 12) {  in mcux_dac_channel_setup()
40 		LOG_ERR("unsupported resolution %d", channel_cfg->resolution);  in mcux_dac_channel_setup()
41 		return -ENOTSUP;  in mcux_dac_channel_setup()
44 	if (channel_cfg->internal) {  in mcux_dac_channel_setup()
46 		return -ENOTSUP;  in mcux_dac_channel_setup()
50 	dac_config.enableLowPowerMode = config->low_power;  in mcux_dac_channel_setup()
51 	dac_config.referenceVoltageSource = config->reference;  in mcux_dac_channel_setup()
53 	DAC_Init(config->base, &dac_config);  in mcux_dac_channel_setup()
55 	data->configured = true;  in mcux_dac_channel_setup()
63 	const struct mcux_dac_config *config = dev->config;  in mcux_dac_write_value()
64 	struct mcux_dac_data *data = dev->data;  in mcux_dac_write_value()
66 	if (!data->configured) {  in mcux_dac_write_value()
68 		return -EINVAL;  in mcux_dac_write_value()
73 		return -ENOTSUP;  in mcux_dac_write_value()
78 		return -EINVAL;  in mcux_dac_write_value()
82 	DAC_EnableBuffer(config->base, false);  in mcux_dac_write_value()
84 	DAC_SetBufferValue(config->base, 0, value);  in mcux_dac_write_value()
85 	DAC_Enable(config->base, true);  in mcux_dac_write_value()
90 static DEVICE_API(dac, mcux_dac_driver_api) = {
103 		.reference =						\