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path: root/drivers/hwmon/lm75.c
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Diffstat (limited to 'drivers/hwmon/lm75.c')
-rw-r--r--drivers/hwmon/lm75.c21
1 files changed, 18 insertions, 3 deletions
diff --git a/drivers/hwmon/lm75.c b/drivers/hwmon/lm75.c
index 49f4b33a5685..c7f20543b2bf 100644
--- a/drivers/hwmon/lm75.c
+++ b/drivers/hwmon/lm75.c
@@ -47,6 +47,7 @@ enum lm75_type { /* keep sorted in alphabetical order */
lm75b,
max6625,
max6626,
+ max31725,
mcp980x,
stds75,
tcn75,
@@ -64,7 +65,6 @@ enum lm75_type { /* keep sorted in alphabetical order */
static const unsigned short normal_i2c[] = { 0x48, 0x49, 0x4a, 0x4b, 0x4c,
0x4d, 0x4e, 0x4f, I2C_CLIENT_END };
-
/* The LM75 registers */
#define LM75_REG_TEMP 0x00
#define LM75_REG_CONF 0x01
@@ -76,7 +76,7 @@ struct lm75_data {
struct i2c_client *client;
struct regmap *regmap;
u8 orig_conf;
- u8 resolution; /* In bits, between 9 and 12 */
+ u8 resolution; /* In bits, between 9 and 16 */
u8 resolution_limits;
unsigned int sample_time; /* In ms */
};
@@ -254,7 +254,8 @@ static const struct regmap_config lm75_regmap_config = {
.volatile_reg = lm75_is_volatile_reg,
.val_format_endian = REGMAP_ENDIAN_BIG,
.cache_type = REGCACHE_RBTREE,
- .use_single_rw = true,
+ .use_single_read = true,
+ .use_single_write = true,
};
static void lm75_remove(void *data)
@@ -339,6 +340,10 @@ lm75_probe(struct i2c_client *client, const struct i2c_device_id *id)
data->resolution_limits = 9;
data->sample_time = MSEC_PER_SEC / 4;
break;
+ case max31725:
+ data->resolution = 16;
+ data->sample_time = MSEC_PER_SEC / 8;
+ break;
case tcn75:
data->resolution = 9;
data->sample_time = MSEC_PER_SEC / 8;
@@ -415,6 +420,8 @@ static const struct i2c_device_id lm75_ids[] = {
{ "lm75b", lm75b, },
{ "max6625", max6625, },
{ "max6626", max6626, },
+ { "max31725", max31725, },
+ { "max31726", max31725, },
{ "mcp980x", mcp980x, },
{ "stds75", stds75, },
{ "tcn75", tcn75, },
@@ -472,6 +479,14 @@ static const struct of_device_id lm75_of_match[] = {
.data = (void *)max6626
},
{
+ .compatible = "maxim,max31725",
+ .data = (void *)max31725
+ },
+ {
+ .compatible = "maxim,max31726",
+ .data = (void *)max31725
+ },
+ {
.compatible = "maxim,mcp980x",
.data = (void *)mcp980x
},