diff options
Diffstat (limited to 'drivers/iio/dac/ad5686-spi.c')
| -rw-r--r-- | drivers/iio/dac/ad5686-spi.c | 42 |
1 files changed, 34 insertions, 8 deletions
diff --git a/drivers/iio/dac/ad5686-spi.c b/drivers/iio/dac/ad5686-spi.c index 6bb09e9259e6..1df9143f55e9 100644 --- a/drivers/iio/dac/ad5686-spi.c +++ b/drivers/iio/dac/ad5686-spi.c @@ -1,6 +1,7 @@ // SPDX-License-Identifier: GPL-2.0+ /* - * AD5672R, AD5676, AD5676R, AD5684, AD5684R, AD5684R, AD5685R, AD5686, AD5686R + * AD5672R, AD5676, AD5676R, AD5681R, AD5682R, AD5683, AD5683R, + * AD5684, AD5684R, AD5685R, AD5686, AD5686R * Digital to analog converters driver * * Copyright 2018 Analog Devices Inc. @@ -15,12 +16,27 @@ static int ad5686_spi_write(struct ad5686_state *st, u8 cmd, u8 addr, u16 val) { struct spi_device *spi = to_spi_device(st->dev); - - st->data[0].d32 = cpu_to_be32(AD5686_CMD(cmd) | - AD5686_ADDR(addr) | - val); - - return spi_write(spi, &st->data[0].d8[1], 3); + u8 tx_len, *buf; + + switch (st->chip_info->regmap_type) { + case AD5683_REGMAP: + st->data[0].d32 = cpu_to_be32(AD5686_CMD(cmd) | + AD5683_DATA(val)); + buf = &st->data[0].d8[1]; + tx_len = 3; + break; + case AD5686_REGMAP: + st->data[0].d32 = cpu_to_be32(AD5686_CMD(cmd) | + AD5686_ADDR(addr) | + val); + buf = &st->data[0].d8[1]; + tx_len = 3; + break; + default: + return -EINVAL; + } + + return spi_write(spi, buf, tx_len); } static int ad5686_spi_read(struct ad5686_state *st, u8 addr) @@ -37,9 +53,15 @@ static int ad5686_spi_read(struct ad5686_state *st, u8 addr) }, }; struct spi_device *spi = to_spi_device(st->dev); + u8 cmd = 0; int ret; - st->data[0].d32 = cpu_to_be32(AD5686_CMD(AD5686_CMD_READBACK_ENABLE) | + if (st->chip_info->regmap_type == AD5686_REGMAP) + cmd = AD5686_CMD_READBACK_ENABLE; + else if (st->chip_info->regmap_type == AD5683_REGMAP) + cmd = AD5686_CMD_READBACK_ENABLE_V2; + + st->data[0].d32 = cpu_to_be32(AD5686_CMD(cmd) | AD5686_ADDR(addr)); st->data[1].d32 = cpu_to_be32(AD5686_CMD(AD5686_CMD_NOOP)); @@ -67,6 +89,10 @@ static const struct spi_device_id ad5686_spi_id[] = { {"ad5672r", ID_AD5672R}, {"ad5676", ID_AD5676}, {"ad5676r", ID_AD5676R}, + {"ad5681r", ID_AD5681R}, + {"ad5682r", ID_AD5682R}, + {"ad5683", ID_AD5683}, + {"ad5683r", ID_AD5683R}, {"ad5684", ID_AD5684}, {"ad5684r", ID_AD5684R}, {"ad5685", ID_AD5685R}, /* Does not exist */ |