diff options
| author | Samuel Holland <samuel@sholland.org> | 2022-02-02 17:50:48 -0600 |
|---|---|---|
| committer | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2022-02-18 11:35:49 +0000 |
| commit | c7a43b089826b17e46419d93c00c0d2f4b26735f (patch) | |
| tree | c55137581eb4d5f809ba0b52395174eec92d8572 /drivers/iio/accel/st_accel_core.c | |
| parent | cb432e7dda793bd3e1821a3bacc23fe07630e80a (diff) | |
iio: accel: st_accel: Add support for Silan SC7A20
This chip appears to be register-compatible with the LIS2DH. The new
description is a copy of the LIS2DH's description with a different WAI
value.
Datasheet: http://linux-chenxing.org/silan/SC7A20-SilanMicroelectronics.pdf
Datasheet: http://www.siitek.com.cn/Upfiles/down/SC7A20说明书_0.92(智能穿戴).pdf
Signed-off-by: Samuel Holland <samuel@sholland.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20220202235049.8051-4-samuel@sholland.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Diffstat (limited to 'drivers/iio/accel/st_accel_core.c')
| -rw-r--r-- | drivers/iio/accel/st_accel_core.c | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/drivers/iio/accel/st_accel_core.c b/drivers/iio/accel/st_accel_core.c index 31ea19d0ba71..2ada8d6fb503 100644 --- a/drivers/iio/accel/st_accel_core.c +++ b/drivers/iio/accel/st_accel_core.c @@ -1087,6 +1087,89 @@ static const struct st_sensor_settings st_accel_sensors_settings[] = { .multi_read_bit = true, .bootime = 2, }, + { + /* + * Not an ST part. Register-compatible with the LIS2DH, even + * though the WAI value is different. + */ + .wai = 0x11, + .wai_addr = ST_SENSORS_DEFAULT_WAI_ADDRESS, + .sensors_supported = { + [0] = SC7A20_ACCEL_DEV_NAME, + }, + .ch = (struct iio_chan_spec *)st_accel_12bit_channels, + .odr = { + .addr = 0x20, + .mask = 0xf0, + .odr_avl = { + { .hz = 1, .value = 0x01, }, + { .hz = 10, .value = 0x02, }, + { .hz = 25, .value = 0x03, }, + { .hz = 50, .value = 0x04, }, + { .hz = 100, .value = 0x05, }, + { .hz = 200, .value = 0x06, }, + { .hz = 400, .value = 0x07, }, + { .hz = 1600, .value = 0x08, }, + }, + }, + .pw = { + .addr = 0x20, + .mask = 0xf0, + .value_off = ST_SENSORS_DEFAULT_POWER_OFF_VALUE, + }, + .enable_axis = { + .addr = ST_SENSORS_DEFAULT_AXIS_ADDR, + .mask = ST_SENSORS_DEFAULT_AXIS_MASK, + }, + .fs = { + .addr = 0x23, + .mask = 0x30, + .fs_avl = { + [0] = { + .num = ST_ACCEL_FS_AVL_2G, + .value = 0x00, + .gain = IIO_G_TO_M_S_2(1000), + }, + [1] = { + .num = ST_ACCEL_FS_AVL_4G, + .value = 0x01, + .gain = IIO_G_TO_M_S_2(2000), + }, + [2] = { + .num = ST_ACCEL_FS_AVL_8G, + .value = 0x02, + .gain = IIO_G_TO_M_S_2(4000), + }, + [3] = { + .num = ST_ACCEL_FS_AVL_16G, + .value = 0x03, + .gain = IIO_G_TO_M_S_2(12000), + }, + }, + }, + .bdu = { + .addr = 0x23, + .mask = 0x80, + }, + .drdy_irq = { + .int1 = { + .addr = 0x22, + .mask = 0x10, + }, + .addr_ihl = 0x25, + .mask_ihl = 0x02, + .stat_drdy = { + .addr = ST_SENSORS_DEFAULT_STAT_ADDR, + .mask = 0x07, + }, + }, + .sim = { + .addr = 0x23, + .value = BIT(0), + }, + .multi_read_bit = true, + .bootime = 2, + }, }; /* Default accel DRDY is available on INT1 pin */ |