hwmon: (lm75) Add TI TMP1075 support

TI TMP1075 is a LM75 compatible sensor, so lets
add support for it.

Signed-off-by: Robert Marko <robert.marko@sartura.hr>
Link: https://lore.kernel.org/r/20210429121150.106804-1-robert.marko@sartura.hr
Signed-off-by: Guenter Roeck <linux@roeck-us.net>

diff --git a/Documentation/hwmon/lm75.rst b/Documentation/hwmon/lm75.rst
index 81257d5..8d0ab4a 100644 (file)
--- 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
index e447feb..afdbb63 100644 (file)
--- 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);