Lines Matching +full:switch +full:- +full:frequency +full:- +full:hz

1 // SPDX-License-Identifier: GPL-2.0
5  * Copyright (c) 2010-2010 Analog Devices Inc.
19  * Although chip's max frequency is 2Mhz, it needs 600ns between CS and the
20  * first falling edge of SCLK, so frequency should be at most 1 / (2 * 6e-7)
39 	if (chan->type != IIO_ANGL)  in ad2s90_read_raw()
40 		return -EINVAL;  in ad2s90_read_raw()
42 	switch (m) {  in ad2s90_read_raw()
49 		mutex_lock(&st->lock);  in ad2s90_read_raw()
50 		ret = spi_read(st->sdev, st->rx, 2);  in ad2s90_read_raw()
52 			mutex_unlock(&st->lock);  in ad2s90_read_raw()
55 		*val = (((u16)(st->rx[0])) << 4) | ((st->rx[1] & 0xF0) >> 4);  in ad2s90_read_raw()
57 		mutex_unlock(&st->lock);  in ad2s90_read_raw()
64 	return -EINVAL;  in ad2s90_read_raw()
83 	if (spi->max_speed_hz > AD2S90_MAX_SPI_FREQ_HZ) {  in ad2s90_probe()
84 		dev_err(&spi->dev, "SPI CLK, %d Hz exceeds %d Hz\n",  in ad2s90_probe()
85 			spi->max_speed_hz, AD2S90_MAX_SPI_FREQ_HZ);  in ad2s90_probe()
86 		return -EINVAL;  in ad2s90_probe()
89 	indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st));  in ad2s90_probe()
91 		return -ENOMEM;  in ad2s90_probe()
95 	mutex_init(&st->lock);  in ad2s90_probe()
96 	st->sdev = spi;  in ad2s90_probe()
97 	indio_dev->info = &ad2s90_info;  in ad2s90_probe()
98 	indio_dev->modes = INDIO_DIRECT_MODE;  in ad2s90_probe()
99 	indio_dev->channels = &ad2s90_chan;  in ad2s90_probe()
100 	indio_dev->num_channels = 1;  in ad2s90_probe()
101 	indio_dev->name = spi_get_device_id(spi)->name;  in ad2s90_probe()
103 	return devm_iio_device_register(indio_dev->dev.parent, indio_dev);  in ad2s90_probe()