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iio: accel: sca3300: Add support for SCL3300 

Add support for Murata SCL3300, a 3-axis MEMS accelerometer.
Same as SCA3300, it has the accelerometer and temperature output.

Datasheet: www.murata.com/en-us/products/sensor/inclinometer/overview/lineup/scl3300
Signed-off-by: LI Qingwu <Qing-wu.Li@leica-geosystems.com.cn>
Reviewed-by: Tomas Melin <tomas.melin@vaisala.com>
Link: https://lore.kernel.org/r/20220529061853.3044893-5-Qing-wu.Li@leica-geosystems.com.cn
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
LI Qingwu 2022-05-29 06:18:52 +00:00 committed by Jonathan Cameron
parent ad985d4d38
commit 24fb2d3c46
1 changed files with 28 additions and 2 deletions
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30
drivers/iio/accel/sca3300.c
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@ -38,6 +38,7 @@
/* Device ID */
#define SCA3300_REG_WHOAMI 0x10
#define SCA3300_WHOAMI_ID 0x51
#define SCL3300_WHOAMI_ID 0xC1
/* Device return status and mask */
#define SCA3300_VALUE_RS_ERROR 0x3
@ -96,10 +97,18 @@ static const struct iio_chan_spec sca3300_channels[] = {
static const int sca3300_lp_freq[] = {70, 10};
static const int sca3300_lp_freq_map[] = {0, 0, 0, 1};
static const int scl3300_lp_freq[] = {40, 70, 10};
static const int scl3300_lp_freq_map[] = {0, 1, 2};
static const int sca3300_accel_scale[][2] = {{0, 370}, {0, 741}, {0, 185}};
static const int sca3300_accel_scale_map[] = {0, 1, 2, 2};
static const int scl3300_accel_scale[][2] = {{0, 167}, {0, 333}, {0, 83}};
static const int scl3300_accel_scale_map[] = {0, 1, 2};
static const int sca3300_avail_modes_map[] = {0, 1, 2, 3};
static const int scl3300_avail_modes_map[] = {0, 1, 3};
static const unsigned long sca3300_scan_masks[] = {
BIT(SCA3300_ACC_X) | BIT(SCA3300_ACC_Y) | BIT(SCA3300_ACC_Z) |
BIT(SCA3300_TEMP),
@ -159,6 +168,21 @@ static const struct sca3300_chip_info sca3300_chip_tbl[] = {
.num_avail_modes = 4,
.chip_id = SCA3300_WHOAMI_ID,
},
{
.name = "scl3300",
.scan_masks = sca3300_scan_masks,
.channels = sca3300_channels,
.num_channels = ARRAY_SIZE(sca3300_channels),
.num_accel_scales = ARRAY_SIZE(scl3300_accel_scale)*2,
.accel_scale = scl3300_accel_scale,
.accel_scale_map = scl3300_accel_scale_map,
.num_freqs = ARRAY_SIZE(scl3300_lp_freq),
.freq_table = scl3300_lp_freq,
.freq_map = scl3300_lp_freq_map,
.avail_modes_table = scl3300_avail_modes_map,
.num_avail_modes = 3,
.chip_id = SCL3300_WHOAMI_ID,
},
};
DECLARE_CRC8_TABLE(sca3300_crc_table);
@ -442,9 +466,10 @@ static int sca3300_init(struct sca3300_data *sca_data,
/*
* Wait 1ms after SW-reset command.
* Wait 15ms for settling of signal paths.
* Wait for the settling of signal paths,
* 15ms for SCA3300 and 25ms for SCL3300,
*/
usleep_range(16e3, 50e3);
usleep_range(26e3, 50e3);
ret = sca3300_read_reg(sca_data, SCA3300_REG_WHOAMI, &value);
if (ret)
@ -571,6 +596,7 @@ static int sca3300_probe(struct spi_device *spi)
static const struct of_device_id sca3300_dt_ids[] = {
{ .compatible = "murata,sca3300"},
{ .compatible = "murata,scl3300"},
{}
};
MODULE_DEVICE_TABLE(of, sca3300_dt_ids);