iio/adc/ad7766.c

35 struct ad7766 {
70 	struct ad7766 *ad7766 = iio_priv(indio_dev);
73 	ret = spi_sync(ad7766->spi, &ad7766->msg);
77 	iio_push_to_buffers_with_timestamp(indio_dev, ad7766->data,
87 	struct ad7766 *ad7766 = iio_priv(indio_dev);
90 	ret = regulator_bulk_enable(ARRAY_SIZE(ad7766->reg), ad7766->reg);
92 		dev_err(&ad7766->spi->dev, "Failed to enable supplies: %d\n",
97 	ret = clk_prepare_enable(ad7766->mclk);
99 		dev_err(&ad7766->spi->dev, "Failed to enable MCLK: %d\n", ret);
100 		regulator_bulk_disable(ARRAY_SIZE(ad7766->reg), ad7766->reg);
104 	gpiod_set_value(ad7766->pd_gpio, 0);
111 	struct ad7766 *ad7766 = iio_priv(indio_dev);
113 	gpiod_set_value(ad7766->pd_gpio, 1);
121 	clk_disable_unprepare(ad7766->mclk);
122 	regulator_bulk_disable(ARRAY_SIZE(ad7766->reg), ad7766->reg);
130 	struct ad7766 *ad7766 = iio_priv(indio_dev);
131 	struct regulator *vref = ad7766->reg[AD7766_SUPPLY_VREF].consumer;
143 		*val = clk_get_rate(ad7766->mclk) /
144 			ad7766->chip_info->decimation_factor;
195 	struct ad7766 *ad7766 = iio_trigger_get_drvdata(trig);
198 		enable_irq(ad7766->spi->irq);
200 		disable_irq(ad7766->spi->irq);
214 	struct ad7766 *ad7766;
217 	indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*ad7766));
221 	ad7766 = iio_priv(indio_dev);
222 	ad7766->chip_info = &ad7766_chip_info[id->driver_data];
224 	ad7766->mclk = devm_clk_get(&spi->dev, "mclk");
225 	if (IS_ERR(ad7766->mclk))
226 		return PTR_ERR(ad7766->mclk);
228 	ad7766->reg[AD7766_SUPPLY_AVDD].supply = "avdd";
229 	ad7766->reg[AD7766_SUPPLY_DVDD].supply = "dvdd";
230 	ad7766->reg[AD7766_SUPPLY_VREF].supply = "vref";
232 	ret = devm_regulator_bulk_get(&spi->dev, ARRAY_SIZE(ad7766->reg),
233 		ad7766->reg);
237 	ad7766->pd_gpio = devm_gpiod_get_optional(&spi->dev, "powerdown",
239 	if (IS_ERR(ad7766->pd_gpio))
240 		return PTR_ERR(ad7766->pd_gpio);
249 		ad7766->trig = devm_iio_trigger_alloc(&spi->dev, "%s-dev%d",
252 		if (!ad7766->trig)
255 		ad7766->trig->ops = &ad7766_trigger_ops;
256 		iio_trigger_set_drvdata(ad7766->trig, ad7766);
266 				       ad7766->trig);
270 		ret = devm_iio_trigger_register(&spi->dev, ad7766->trig);
275 	ad7766->spi = spi;
278 	ad7766->xfer.rx_buf = &ad7766->data[1];
279 	ad7766->xfer.len = 3;
281 	spi_message_init(&ad7766->msg);
282 	spi_message_add_tail(&ad7766->xfer, &ad7766->msg);
294 	{"ad7766", ID_AD7766},
295 	{"ad7766-1", ID_AD7766_1},
296 	{"ad7766-2", ID_AD7766_2},
306 		.name	= "ad7766",