[PATCH V3 4/5] iio: accel: sca3300: Add support for SCL3300

From: LI Qingwu
Date: Wed May 04 2022 - 09:36:57 EST


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

Reviewed-by: Rob Herring <robh@xxxxxxxxxx>
Reviewed-by: Andy Shevchenko <andy.shevchenko@xxxxxxxxx>
Reviewed-by: Jonathan Cameron <jic23@xxxxxxxxxx>
Signed-off-by: LI Qingwu <Qing-wu.Li@xxxxxxxxxxxxxxxxxxxxxxx>
---
drivers/iio/accel/sca3300.c | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)

diff --git a/drivers/iio/accel/sca3300.c b/drivers/iio/accel/sca3300.c
index 1e0e6a2f7a63..040f8e1a1327 100644
--- a/drivers/iio/accel/sca3300.c
+++ b/drivers/iio/accel/sca3300.c
@@ -93,12 +93,17 @@ static const struct iio_chan_spec sca3300_channels[] = {
};

static const int sca3300_freq_tbl[] = {70, 10};
+static const int scl3300_freq_tbl[] = {40, 70, 10};
static const int sca3300_freq_modes_map[] = {0, 0, 0, 1};
+static const int scl3300_freq_modes_map[] = {0, 1, 2};

static const int sca3300_accel_scale_tbl[][2] = {{0, 370}, {0, 741}, {0, 185}};
+static const int scl3300_accel_scale_tbl[][2] = {{0, 167}, {0, 333}, {0, 83}};
static const int sca3300_accel_scale_modes_map[] = {0, 1, 2, 2};
+static const int scl3300_accel_scale_modes_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),
@@ -156,6 +161,20 @@ static const struct sca3300_chip_info sca3300_chip_tbl[] = {
.chip_id = 0x51,
.num_freqs = 2,
},
+ { .num_accel_scales = ARRAY_SIZE(scl3300_accel_scale_tbl)*2,
+ .accel_scale_modes_map = scl3300_accel_scale_modes_map,
+ .accel_scale_table = scl3300_accel_scale_tbl,
+ .num_channels = ARRAY_SIZE(sca3300_channels),
+ .avail_modes_table = scl3300_avail_modes_map,
+ .freq_modes_map = scl3300_freq_modes_map,
+ .scan_masks = sca3300_scan_masks,
+ .freq_table = scl3300_freq_tbl,
+ .channels = sca3300_channels,
+ .num_avail_modes = 3,
+ .name = "scl3300",
+ .chip_id = 0xC1,
+ .num_freqs = 3,
+ },
};

DECLARE_CRC8_TABLE(sca3300_crc_table);
@@ -558,6 +577,7 @@ 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);
--
2.25.1