Commit 24fb2d3c authored by LI Qingwu's avatar LI Qingwu Committed by Jonathan Cameron
Browse files

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: default avatarLI Qingwu <Qing-wu.Li@leica-geosystems.com.cn>
Reviewed-by: default avatarTomas Melin <tomas.melin@vaisala.com>
Link: https://lore.kernel.org/r/20220529061853.3044893-5-Qing-wu.Li@leica-geosystems.com.cn


Signed-off-by: default avatarJonathan Cameron <Jonathan.Cameron@huawei.com>
parent ad985d4d

drivers/iio/accel/sca3300.c

+28 −2
Original line number Diff line number Diff line
@@ -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);