From c8ccab7ab5c71b4fab274bfd18425503a4dcc288 Mon Sep 17 00:00:00 2001 From: Guenter Roeck Date: Sat, 16 Mar 2013 10:25:04 -0700 Subject: hwmon: (pmbus/lm25066) Add support for LM25063 Signed-off-by: Guenter Roeck --- Documentation/hwmon/lm25066 | 20 +++++++++++++++++++- 1 file changed, 19 insertions(+), 1 deletion(-) (limited to 'Documentation') diff --git a/Documentation/hwmon/lm25066 b/Documentation/hwmon/lm25066 index c1b57d72efc3..b34c3de5c1bc 100644 --- a/Documentation/hwmon/lm25066 +++ b/Documentation/hwmon/lm25066 @@ -8,6 +8,11 @@ Supported chips: Datasheets: http://www.ti.com/lit/gpn/lm25056 http://www.ti.com/lit/gpn/lm25056a + * TI LM25063 + Prefix: 'lm25063' + Addresses scanned: - + Datasheet: + To be announced * National Semiconductor LM25066 Prefix: 'lm25066' Addresses scanned: - @@ -32,7 +37,7 @@ Description ----------- This driver supports hardware montoring for National Semiconductor / TI LM25056, -LM25066, LM5064, and LM5064 Power Management, Monitoring, Control, and +LM25063, LM25066, LM5064, and LM5066 Power Management, Monitoring, Control, and Protection ICs. The driver is a client driver to the core PMBus driver. Please see @@ -64,8 +69,12 @@ in1_input Measured input voltage. in1_average Average measured input voltage. in1_min Minimum input voltage. in1_max Maximum input voltage. +in1_crit Critical high input voltage (LM25063 only). +in1_lcrit Critical low input voltage (LM25063 only). in1_min_alarm Input voltage low alarm. in1_max_alarm Input voltage high alarm. +in1_lcrit_alarm Input voltage critical low alarm (LM25063 only). +in1_crit_alarm Input voltage critical high alarm. (LM25063 only). in2_label "vmon" in2_input Measured voltage on VAUX pin @@ -80,12 +89,16 @@ in3_input Measured output voltage. in3_average Average measured output voltage. in3_min Minimum output voltage. in3_min_alarm Output voltage low alarm. +in3_highest Historical minimum output voltage (LM25063 only). +in3_lowest Historical maximum output voltage (LM25063 only). curr1_label "iin" curr1_input Measured input current. curr1_average Average measured input current. curr1_max Maximum input current. +curr1_crit Critical input current (LM25063 only). curr1_max_alarm Input current high alarm. +curr1_crit_alarm Input current critical high alarm (LM25063 only). power1_label "pin" power1_input Measured input power. @@ -95,6 +108,11 @@ power1_alarm Input power alarm power1_input_highest Historical maximum power. power1_reset_history Write any value to reset maximum power history. +power2_label "pout". LM25063 only. +power2_input Measured output power. +power2_max Maximum output power limit. +power2_crit Critical output power limit. + temp1_input Measured temperature. temp1_max Maximum temperature. temp1_crit Critical high temperature. -- cgit v1.2.3 From c24c407e963e73d3ad18b9bc0af32cf23f37a7b0 Mon Sep 17 00:00:00 2001 From: Guenter Roeck Date: Mon, 23 Sep 2013 10:56:48 -0700 Subject: hwmon: (pmbus/ltc2978): Add support for LTC2977 LTC2977 is a pin compatible replacement for LTC2978. Signed-off-by: Guenter Roeck --- Documentation/hwmon/ltc2978 | 41 +++++++++++++++++++++++++++-------------- drivers/hwmon/pmbus/ltc2978.c | 12 +++++++++--- 2 files changed, 36 insertions(+), 17 deletions(-) (limited to 'Documentation') diff --git a/Documentation/hwmon/ltc2978 b/Documentation/hwmon/ltc2978 index dc0d08c61305..6934936de2c7 100644 --- a/Documentation/hwmon/ltc2978 +++ b/Documentation/hwmon/ltc2978 @@ -6,6 +6,10 @@ Supported chips: Prefix: 'ltc2974' Addresses scanned: - Datasheet: http://www.linear.com/product/ltc2974 + * Linear Technology LTC2977 + Prefix: 'ltc2977' + Addresses scanned: - + Datasheet: http://www.linear.com/product/ltc2977 * Linear Technology LTC2978 Prefix: 'ltc2978' Addresses scanned: - @@ -26,8 +30,9 @@ Description ----------- LTC2974 is a quad digital power supply manager. LTC2978 is an octal power supply -monitor. LTC3880 is a dual output poly-phase step-down DC/DC controller. LTC3883 -is a single phase step-down DC/DC controller. +monitor. LTC2977 is a pin compatible replacement for LTC2978. LTC3880 is a dual +output poly-phase step-down DC/DC controller. LTC3883 is a single phase +step-down DC/DC controller. Usage Notes @@ -49,21 +54,25 @@ Sysfs attributes in1_label "vin" in1_input Measured input voltage. in1_min Minimum input voltage. -in1_max Maximum input voltage. LTC2974 and LTC2978 only. -in1_lcrit Critical minimum input voltage. LTC2974 and LTC2978 - only. +in1_max Maximum input voltage. + LTC2974, LTC2977, and LTC2978 only. +in1_lcrit Critical minimum input voltage. + LTC2974, LTC2977, and LTC2978 only. in1_crit Critical maximum input voltage. in1_min_alarm Input voltage low alarm. -in1_max_alarm Input voltage high alarm. LTC2974 and LTC2978 only. -in1_lcrit_alarm Input voltage critical low alarm. LTC2974 and LTC2978 - only. +in1_max_alarm Input voltage high alarm. + LTC2974, LTC2977, and LTC2978 only. +in1_lcrit_alarm Input voltage critical low alarm. + LTC2974, LTC2977, and LTC2978 only. in1_crit_alarm Input voltage critical high alarm. -in1_lowest Lowest input voltage. LTC2974 and LTC2978 only. +in1_lowest Lowest input voltage. + LTC2974, LTC2977, and LTC2978 only. in1_highest Highest input voltage. in1_reset_history Reset input voltage history. in[N]_label "vout[1-8]". LTC2974: N=2-5 + LTC2977: N=2-9 LTC2978: N=2-9 LTC3880: N=2-3 LTC3883: N=2 @@ -83,21 +92,23 @@ in[N]_reset_history Reset output voltage history. temp[N]_input Measured temperature. On LTC2974, temp[1-4] report external temperatures, and temp5 reports the chip temperature. - On LTC2978, only one temperature measurement is - supported and reports the chip temperature. + On LTC2977 and LTC2978, only one temperature measurement + is supported and reports the chip temperature. On LTC3880, temp1 and temp2 report external temperatures, and temp3 reports the chip temperature. On LTC3883, temp1 reports an external temperature, and temp2 reports the chip temperature. -temp[N]_min Mimimum temperature. LTC2974 and LTC2978 only. +temp[N]_min Mimimum temperature. LTC2974, LCT2977, and LTC2978 only. temp[N]_max Maximum temperature. temp[N]_lcrit Critical low temperature. temp[N]_crit Critical high temperature. -temp[N]_min_alarm Temperature low alarm. LTC2974 and LTC2978 only. +temp[N]_min_alarm Temperature low alarm. + LTC2974, LTC2977, and LTC2978 only. temp[N]_max_alarm Temperature high alarm. temp[N]_lcrit_alarm Temperature critical low alarm. temp[N]_crit_alarm Temperature critical high alarm. -temp[N]_lowest Lowest measured temperature. LTC2974 and LTC2978 only. +temp[N]_lowest Lowest measured temperature. + LTC2974, LTC2977, and LTC2978 only. Not supported for chip temperature sensor on LTC2974. temp[N]_highest Highest measured temperature. Not supported for chip temperature sensor on LTC2974. @@ -109,6 +120,7 @@ power1_input Measured input power. power[N]_label "pout[1-4]". LTC2974: N=1-4 + LTC2977: Not supported LTC2978: Not supported LTC3880: N=1-2 LTC3883: N=2 @@ -123,6 +135,7 @@ curr1_reset_history Reset input current history. LTC3883 only. curr[N]_label "iout[1-4]". LTC2974: N=1-4 + LTC2977: not supported LTC2978: not supported LTC3880: N=2-3 LTC3883: N=2 diff --git a/drivers/hwmon/pmbus/ltc2978.c b/drivers/hwmon/pmbus/ltc2978.c index 586a89ef9e0f..e05ff565ef61 100644 --- a/drivers/hwmon/pmbus/ltc2978.c +++ b/drivers/hwmon/pmbus/ltc2978.c @@ -1,5 +1,6 @@ /* - * Hardware monitoring driver for LTC2974, LTC2978, LTC3880, and LTC3883 + * Hardware monitoring driver for LTC2974, LTC2977, LTC2978, LTC3880, + * and LTC3883 * * Copyright (c) 2011 Ericsson AB. * Copyright (c) 2013 Guenter Roeck @@ -27,7 +28,7 @@ #include #include "pmbus.h" -enum chips { ltc2974, ltc2978, ltc3880, ltc3883 }; +enum chips { ltc2974, ltc2977, ltc2978, ltc3880, ltc3883 }; /* Common for all chips */ #define LTC2978_MFR_VOUT_PEAK 0xdd @@ -35,7 +36,7 @@ enum chips { ltc2974, ltc2978, ltc3880, ltc3883 }; #define LTC2978_MFR_TEMPERATURE_PEAK 0xdf #define LTC2978_MFR_SPECIAL_ID 0xe7 -/* LTC2974 and LTC2978 */ +/* LTC2974, LCT2977, and LTC2978 */ #define LTC2978_MFR_VOUT_MIN 0xfb #define LTC2978_MFR_VIN_MIN 0xfc #define LTC2978_MFR_TEMPERATURE_MIN 0xfd @@ -53,6 +54,7 @@ enum chips { ltc2974, ltc2978, ltc3880, ltc3883 }; #define LTC3883_MFR_IIN_PEAK 0xe1 #define LTC2974_ID 0x0212 +#define LTC2977_ID 0x0130 #define LTC2978_ID_REV1 0x0121 #define LTC2978_ID_REV2 0x0122 #define LTC3880_ID 0x4000 @@ -363,6 +365,7 @@ static int ltc2978_write_word_data(struct i2c_client *client, int page, static const struct i2c_device_id ltc2978_id[] = { {"ltc2974", ltc2974}, + {"ltc2977", ltc2977}, {"ltc2978", ltc2978}, {"ltc3880", ltc3880}, {"ltc3883", ltc3883}, @@ -392,6 +395,8 @@ static int ltc2978_probe(struct i2c_client *client, if (chip_id == LTC2974_ID) { data->id = ltc2974; + } else if (chip_id == LTC2977_ID) { + data->id = ltc2977; } else if (chip_id == LTC2978_ID_REV1 || chip_id == LTC2978_ID_REV2) { data->id = ltc2978; } else if ((chip_id & LTC3880_ID_MASK) == LTC3880_ID) { @@ -438,6 +443,7 @@ static int ltc2978_probe(struct i2c_client *client, | PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT; } break; + case ltc2977: case ltc2978: info->read_word_data = ltc2978_read_word_data; info->pages = LTC2978_NUM_PAGES; -- cgit v1.2.3 From 3f08d7f49f8365d5c9050522ee733951a503e955 Mon Sep 17 00:00:00 2001 From: Guenter Roeck Date: Mon, 23 Sep 2013 11:23:37 -0700 Subject: hwmon: (pmbus/ltc2978): Add support for LTC2978A Detect LTC2978A chip ID. Treat it as LC2978. Signed-off-by: Guenter Roeck --- Documentation/hwmon/ltc2978 | 3 ++- drivers/hwmon/pmbus/ltc2978.c | 4 +++- 2 files changed, 5 insertions(+), 2 deletions(-) (limited to 'Documentation') diff --git a/Documentation/hwmon/ltc2978 b/Documentation/hwmon/ltc2978 index 6934936de2c7..a0546fc42273 100644 --- a/Documentation/hwmon/ltc2978 +++ b/Documentation/hwmon/ltc2978 @@ -10,10 +10,11 @@ Supported chips: Prefix: 'ltc2977' Addresses scanned: - Datasheet: http://www.linear.com/product/ltc2977 - * Linear Technology LTC2978 + * Linear Technology LTC2978, LTC2978A Prefix: 'ltc2978' Addresses scanned: - Datasheet: http://www.linear.com/product/ltc2978 + http://www.linear.com/product/ltc2978a * Linear Technology LTC3880 Prefix: 'ltc3880' Addresses scanned: - diff --git a/drivers/hwmon/pmbus/ltc2978.c b/drivers/hwmon/pmbus/ltc2978.c index e05ff565ef61..de3c152a1d9a 100644 --- a/drivers/hwmon/pmbus/ltc2978.c +++ b/drivers/hwmon/pmbus/ltc2978.c @@ -57,6 +57,7 @@ enum chips { ltc2974, ltc2977, ltc2978, ltc3880, ltc3883 }; #define LTC2977_ID 0x0130 #define LTC2978_ID_REV1 0x0121 #define LTC2978_ID_REV2 0x0122 +#define LTC2978A_ID 0x0124 #define LTC3880_ID 0x4000 #define LTC3880_ID_MASK 0xff00 #define LTC3883_ID 0x4300 @@ -397,7 +398,8 @@ static int ltc2978_probe(struct i2c_client *client, data->id = ltc2974; } else if (chip_id == LTC2977_ID) { data->id = ltc2977; - } else if (chip_id == LTC2978_ID_REV1 || chip_id == LTC2978_ID_REV2) { + } else if (chip_id == LTC2978_ID_REV1 || chip_id == LTC2978_ID_REV2 || + chip_id == LTC2978A_ID) { data->id = ltc2978; } else if ((chip_id & LTC3880_ID_MASK) == LTC3880_ID) { data->id = ltc3880; -- cgit v1.2.3