1 // SPDX-License-Identifier: GPL-2.0+
10 #include <linux/spi/spi.h>
21 	struct spi_device	*spi;  member
46 	st->fifo_xfer[1].rx_buf = fifo_buf;  in adxl367_read_fifo()
47 	st->fifo_xfer[1].len = fifo_entries * sizeof(*fifo_buf);  in adxl367_read_fifo()
49 	return spi_sync(st->spi, &st->fifo_msg);  in adxl367_read_fifo()
58 	st->reg_read_tx_buf[1] = reg;  in adxl367_read()
59 	st->reg_read_xfer[1].rx_buf = val_buf;  in adxl367_read()
60 	st->reg_read_xfer[1].len = val_size;  in adxl367_read()
62 	return spi_sync(st->spi, &st->reg_read_msg);  in adxl367_read()
69 	st->reg_write_xfer[1].tx_buf = val_buf;  in adxl367_write()
70 	st->reg_write_xfer[1].len = val_size;  in adxl367_write()
72 	return spi_sync(st->spi, &st->reg_write_msg);  in adxl367_write()
89 static int adxl367_spi_probe(struct spi_device *spi)  in adxl367_spi_probe()  argument
94 	st = devm_kzalloc(&spi->dev, sizeof(*st), GFP_KERNEL);  in adxl367_spi_probe()
96 		return -ENOMEM;  in adxl367_spi_probe()
98 	st->spi = spi;  in adxl367_spi_probe()
103 	 * Slave:   ....   ..........................  in adxl367_spi_probe()
105 	st->reg_write_tx_buf[0] = ADXL367_SPI_WRITE_COMMAND;  in adxl367_spi_probe()
106 	st->reg_write_xfer[0].tx_buf = st->reg_write_tx_buf;  in adxl367_spi_probe()
107 	st->reg_write_xfer[0].len = sizeof(st->reg_write_tx_buf);  in adxl367_spi_probe()
108 	spi_message_init_with_transfers(&st->reg_write_msg,  in adxl367_spi_probe()
109 					st->reg_write_xfer, 2);  in adxl367_spi_probe()
114 	 * Slave:   .........   DATA0 DATA1 ... DATAN  in adxl367_spi_probe()
116 	st->reg_read_tx_buf[0] = ADXL367_SPI_READ_COMMAND;  in adxl367_spi_probe()
117 	st->reg_read_xfer[0].tx_buf = st->reg_read_tx_buf;  in adxl367_spi_probe()
118 	st->reg_read_xfer[0].len = sizeof(st->reg_read_tx_buf);  in adxl367_spi_probe()
119 	spi_message_init_with_transfers(&st->reg_read_msg,  in adxl367_spi_probe()
120 					st->reg_read_xfer, 2);  in adxl367_spi_probe()
125 	 * Slave:   ....   DATA0 DATA1 ... DATAN  in adxl367_spi_probe()
127 	st->fifo_tx_buf[0] = ADXL367_SPI_FIFO_COMMAND;  in adxl367_spi_probe()
128 	st->fifo_xfer[0].tx_buf = st->fifo_tx_buf;  in adxl367_spi_probe()
129 	st->fifo_xfer[0].len = sizeof(st->fifo_tx_buf);  in adxl367_spi_probe()
130 	spi_message_init_with_transfers(&st->fifo_msg, st->fifo_xfer, 2);  in adxl367_spi_probe()
132 	regmap = devm_regmap_init(&spi->dev, &adxl367_spi_regmap_bus, st,  in adxl367_spi_probe()
137 	return adxl367_probe(&spi->dev, &adxl367_spi_ops, st, regmap, spi->irq);  in adxl367_spi_probe()
144 MODULE_DEVICE_TABLE(spi, adxl367_spi_id);
165 MODULE_DESCRIPTION("Analog Devices ADXL367 3-axis accelerometer SPI driver");