diff options
| author |   Guenter Roeck <linux@roeck-us.net> | 2015-08-17 20:08:09 -0700 |
|---|---|---|
| committer | Guenter Roeck <linux@roeck-us.net> | 2015-08-19 09:08:55 -0700 |
| commit | ccf2dc51bc4a715670641aa5af0d4636acd8e0cd (patch) | |
| tree | 65f3c46b2607f33b2cff9ffea0773252d66fb083 /drivers/hwmon | |
| parent | hwmon: (ltc2978) Add polling for chips requiring it (diff) | |
| download | linux-dev-ccf2dc51bc4a715670641aa5af0d4636acd8e0cd.tar.xz linux-dev-ccf2dc51bc4a715670641aa5af0d4636acd8e0cd.zip | |
hwmon: (ltc2978) Add support for LTM4675
LTM2975 is a dual 9A or single 18A μModule regulator.
It is register compatible with LTM4676.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'drivers/hwmon')
| -rw-r--r-- | drivers/hwmon/pmbus/Kconfig | 2 | ||||
| -rw-r--r-- | drivers/hwmon/pmbus/ltc2978.c | 10 |
2 files changed, 9 insertions, 3 deletions
diff --git a/drivers/hwmon/pmbus/Kconfig b/drivers/hwmon/pmbus/Kconfig index 5ebc36255c88..df6ebb2b8f0f 100644 --- a/drivers/hwmon/pmbus/Kconfig +++ b/drivers/hwmon/pmbus/Kconfig @@ -53,7 +53,7 @@ config SENSORS_LTC2978 help If you say yes here you get hardware monitoring support for Linear Technology LTC2974, LTC2975, LTC2977, LTC2978, LTC2980, LTC3880, - LTC3883, LTC3886, LTC3887, LTCM2987, and LTM4676. + LTC3883, LTC3886, LTC3887, LTCM2987, LTM4675, and LTM4676. This driver can also be built as a module. If so, the module will be called ltc2978. diff --git a/drivers/hwmon/pmbus/ltc2978.c b/drivers/hwmon/pmbus/ltc2978.c index f1c69c9de849..58b789c28b48 100644 --- a/drivers/hwmon/pmbus/ltc2978.c +++ b/drivers/hwmon/pmbus/ltc2978.c @@ -28,7 +28,7 @@ #include "pmbus.h" enum chips { ltc2974, ltc2975, ltc2977, ltc2978, ltc2980, ltc3880, ltc3882, - ltc3883, ltc3886, ltc3887, ltm2987, ltm4676 }; + ltc3883, ltc3886, ltc3887, ltm2987, ltm4675, ltm4676 }; /* Common for all chips */ #define LTC2978_MFR_VOUT_PEAK 0xdd @@ -46,7 +46,7 @@ enum chips { ltc2974, ltc2975, ltc2977, ltc2978, ltc2980, ltc3880, ltc3882, #define LTC2974_MFR_IOUT_PEAK 0xd7 #define LTC2974_MFR_IOUT_MIN 0xd8 -/* LTC3880, LTC3882, LTC3883, LTC3887, and LTM4676 */ +/* LTC3880, LTC3882, LTC3883, LTC3887, LTM4675, and LTM4676 */ #define LTC3880_MFR_IOUT_PEAK 0xd7 #define LTC3880_MFR_CLEAR_PEAKS 0xe3 #define LTC3880_MFR_TEMPERATURE2_PEAK 0xf4 @@ -77,6 +77,7 @@ enum chips { ltc2974, ltc2975, ltc2977, ltc2978, ltc2980, ltc3880, ltc3882, #define LTC3887_ID 0x4700 #define LTM2987_ID_A 0x8010 /* A/B for two die IDs */ #define LTM2987_ID_B 0x8020 +#define LTM4675_ID 0x47a0 #define LTM4676_ID_REV1 0x4400 #define LTM4676_ID_REV2 0x4480 #define LTM4676A_ID 0x47e0 @@ -509,6 +510,7 @@ static const struct i2c_device_id ltc2978_id[] = { {"ltc3886", ltc3886}, {"ltc3887", ltc3887}, {"ltm2987", ltm2987}, + {"ltm4675", ltm4675}, {"ltm4676", ltm4676}, {} }; @@ -581,6 +583,8 @@ static int ltc2978_get_id(struct i2c_client *client) return ltc3887; else if (chip_id == LTM2987_ID_A || chip_id == LTM2987_ID_B) return ltm2987; + else if (chip_id == LTM4675_ID) + return ltm4675; else if (chip_id == LTM4676_ID_REV1 || chip_id == LTM4676_ID_REV2 || chip_id == LTM4676A_ID) return ltm4676; @@ -678,6 +682,7 @@ static int ltc2978_probe(struct i2c_client *client, break; case ltc3880: case ltc3887: + case ltm4675: case ltm4676: data->features |= FEAT_CLEAR_PEAKS | FEAT_NEEDS_POLLING; info->read_word_data = ltc3880_read_word_data; @@ -763,6 +768,7 @@ static const struct of_device_id ltc2978_of_match[] = { { .compatible = "lltc,ltc3886" }, { .compatible = "lltc,ltc3887" }, { .compatible = "lltc,ltm2987" }, + { .compatible = "lltc,ltm4675" }, { .compatible = "lltc,ltm4676" }, { } }; |