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| author | Florian Fainelli <f.fainelli@gmail.com> | 2017-01-21 11:20:10 -0800 |
|---|---|---|
| committer | Guenter Roeck <linux@roeck-us.net> | 2017-01-21 12:26:38 -0800 |
| commit | 68f0c8c923951eef2cde1d9ab6bc598aceecfc27 (patch) | |
| tree | 575f9639f27e101a989a862c2a4bfd6364627374 /drivers/hwmon | |
| parent | e8295146503720db914f2b82569de31bacbf6387 (diff) | |
| download | linux-68f0c8c923951eef2cde1d9ab6bc598aceecfc27.tar.gz linux-68f0c8c923951eef2cde1d9ab6bc598aceecfc27.tar.bz2 linux-68f0c8c923951eef2cde1d9ab6bc598aceecfc27.zip | |
hwmon: (lm70) Add support for TI TMP122/124
Add support for Texas Instruments TMP122/124 which are nearly identical to
their TMP121/123 except that they also support programmable temperature
thresholds.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'drivers/hwmon')
| -rw-r--r-- | drivers/hwmon/lm70.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/hwmon/lm70.c b/drivers/hwmon/lm70.c index 52c5cdd00448..543556dc563b 100644 --- a/drivers/hwmon/lm70.c +++ b/drivers/hwmon/lm70.c @@ -46,6 +46,7 @@ #define LM70_CHIP_TMP121 1 /* TI TMP121/TMP123 */ #define LM70_CHIP_LM71 2 /* NS LM71 */ #define LM70_CHIP_LM74 3 /* NS LM74 */ +#define LM70_CHIP_TMP122 4 /* TI TMP122/TMP124 */ struct lm70 { struct spi_device *spi; @@ -92,7 +93,7 @@ static ssize_t temp1_input_show(struct device *dev, * Celsius. * So it's equivalent to multiplying by 0.25 * 1000 = 250. * - * LM74 and TMP121/TMP123: + * LM74 and TMP121/TMP122/TMP123/TMP124: * 13 bits of 2's complement data, discard LSB 3 bits, * resolution 0.0625 degrees celsius. * @@ -106,6 +107,7 @@ static ssize_t temp1_input_show(struct device *dev, break; case LM70_CHIP_TMP121: + case LM70_CHIP_TMP122: case LM70_CHIP_LM74: val = ((int)raw / 8) * 625 / 10; break; @@ -143,6 +145,10 @@ static const struct of_device_id lm70_of_ids[] = { .data = (void *) LM70_CHIP_TMP121, }, { + .compatible = "ti,tmp122", + .data = (void *) LM70_CHIP_TMP122, + }, + { .compatible = "ti,lm71", .data = (void *) LM70_CHIP_LM71, }, @@ -191,6 +197,7 @@ static int lm70_probe(struct spi_device *spi) static const struct spi_device_id lm70_ids[] = { { "lm70", LM70_CHIP_LM70 }, { "tmp121", LM70_CHIP_TMP121 }, + { "tmp122", LM70_CHIP_TMP122 }, { "lm71", LM70_CHIP_LM71 }, { "lm74", LM70_CHIP_LM74 }, { }, |