iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

iio: temperature: tmp117: add TI TMP116 support

Browse Source 
The TMP116 is the predecessor of the TMP117. The TMP116 don't support
custom offset calibration data, instead this register is used as generic
EEPROM storage as well.

Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
Link: https://lore.kernel.org/r/20230228090518.529811-5-m.felsch@pengutronix.de
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Marco Felsch 2023-02-28 10:05:17 +01:00 committed by Jonathan Cameron
parent 9225efe080
commit 0cd2889dc1
1 changed files with 19 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
drivers/iio/temperature/tmp117.c
View File

@ -32,9 +32,11 @@
#define TMP117_REG_DEVICE_ID 0xF
#define TMP117_RESOLUTION_10UC 78125
#define TMP117_DEVICE_ID 0x0117
#define MICRODEGREE_PER_10MILLIDEGREE 10000
#define TMP116_DEVICE_ID 0x1116
#define TMP117_DEVICE_ID 0x0117
struct tmp117_data {
struct i2c_client *client;
s16 calibbias;
@ -109,6 +111,14 @@ static const struct iio_chan_spec tmp117_channels[] = {
},
};
static const struct iio_chan_spec tmp116_channels[] = {
{
.type = IIO_TEMP,
.info_mask_separate = BIT(IIO_CHAN_INFO_RAW) |
BIT(IIO_CHAN_INFO_SCALE),
},
};
static const struct iio_info tmp117_info = {
.read_raw = tmp117_read_raw,
.write_raw = tmp117_write_raw,
@ -125,6 +135,7 @@ static int tmp117_identify(struct i2c_client *client)
return dev_id;
switch (dev_id) {
case TMP116_DEVICE_ID:
case TMP117_DEVICE_ID:
return dev_id;
}
@ -172,6 +183,11 @@ static int tmp117_probe(struct i2c_client *client)
indio_dev->info = &tmp117_info;
switch (dev_id) {
case TMP116_DEVICE_ID:
indio_dev->channels = tmp116_channels;
indio_dev->num_channels = ARRAY_SIZE(tmp116_channels);
indio_dev->name = "tmp116";
break;
case TMP117_DEVICE_ID:
indio_dev->channels = tmp117_channels;
indio_dev->num_channels = ARRAY_SIZE(tmp117_channels);
@ -183,12 +199,14 @@ static int tmp117_probe(struct i2c_client *client)
}
static const struct of_device_id tmp117_of_match[] = {
{ .compatible = "ti,tmp116", .data = (void *)TMP116_DEVICE_ID },
{ .compatible = "ti,tmp117", .data = (void *)TMP117_DEVICE_ID },
{ }
};
MODULE_DEVICE_TABLE(of, tmp117_of_match);
static const struct i2c_device_id tmp117_id[] = {
{ "tmp116", TMP116_DEVICE_ID },
{ "tmp117", TMP117_DEVICE_ID },
{ }
};