hwmon: (lm75) Add TI TMP1075 support

TI TMP1075 is a LM75 compatible sensor, so lets add support for it. Signed-off-by: Robert Marko <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Guenter Roeck <[email protected]>
torvalds · Jun 17, 2021 · ec081f9 · ec081f9
1 parent 6e954d2
commit ec081f9
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Showing 2 changed files with 17 additions and 2 deletions.
diff --git a/Documentation/hwmon/lm75.rst b/Documentation/hwmon/lm75.rst
@@ -93,9 +93,9 @@ Supported chips:
 
  https://www.st.com/resource/en/datasheet/stlm75.pdf
 
- * Texas Instruments TMP100, TMP101, TMP105, TMP112, TMP75, TMP75B, TMP75C, TMP175, TMP275
+ * Texas Instruments TMP100, TMP101, TMP105, TMP112, TMP75, TMP75B, TMP75C, TMP175, TMP275, TMP1075
 
- Prefixes: 'tmp100', 'tmp101', 'tmp105', 'tmp112', 'tmp175', 'tmp75', 'tmp75b', 'tmp75c', 'tmp275'
+ Prefixes: 'tmp100', 'tmp101', 'tmp105', 'tmp112', 'tmp175', 'tmp75', 'tmp75b', 'tmp75c', 'tmp275', 'tmp1075'
 
  Addresses scanned: none
 
@@ -119,6 +119,8 @@ Supported chips:
 
  https://www.ti.com/product/tmp275
 
+ https://www.ti.com/product/TMP1075
+
  * NXP LM75B, PCT2075
 
  Prefix: 'lm75b', 'pct2075'

diff --git a/drivers/hwmon/lm75.c b/drivers/hwmon/lm75.c
@@ -50,6 +50,7 @@ enum lm75_type { /* keep sorted in alphabetical order */
  tmp75,
  tmp75b,
  tmp75c,
+ tmp1075,
 };
 
 /**
@@ -293,6 +294,13 @@ static const struct lm75_params device_params[] = {
  .clr_mask = 1 << 5, /*not one-shot mode*/
  .default_resolution = 12,
  .default_sample_time = MSEC_PER_SEC / 12,
+ },
+ [tmp1075] = { /* not one-shot mode, 27.5 ms sample rate */
+ .clr_mask = 1 << 5 | 1 << 6 | 1 << 7,
+ .default_resolution = 12,
+ .default_sample_time = 28,
+ .num_sample_times = 4,
+ .sample_times = (unsigned int []){ 28, 55, 110, 220 },
  }
 };
 
@@ -662,6 +670,7 @@ static const struct i2c_device_id lm75_ids[] = {
  { "tmp75", tmp75, },
  { "tmp75b", tmp75b, },
  { "tmp75c", tmp75c, },
+ { "tmp1075", tmp1075, },
  { /* LIST END */ }
 };
 MODULE_DEVICE_TABLE(i2c, lm75_ids);
@@ -771,6 +780,10 @@ static const struct of_device_id __maybe_unused lm75_of_match[] = {
  .compatible = "ti,tmp75c",
  .data = (void *)tmp75c
  },
+ {
+ .compatible = "ti,tmp1075",
+ .data = (void *)tmp1075
+ },
  { },
 };
 MODULE_DEVICE_TABLE(of, lm75_of_match);