Loading Documentation/hwmon/lm25066 +19 −1 Original line number Diff line number Diff line Loading @@ -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: - Loading @@ -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 Loading Loading @@ -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 Loading @@ -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. Loading @@ -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. Loading drivers/hwmon/pmbus/lm25066.c +82 −9 Original line number Diff line number Diff line /* * Hardware monitoring driver for LM25056 / LM25066 / LM5064 / LM5066 * Hardware monitoring driver for LM25056 / LM25063 / LM25066 / LM5064 / LM5066 * * Copyright (c) 2011 Ericsson AB. * Copyright (c) 2013 Guenter Roeck Loading Loading @@ -27,7 +27,7 @@ #include <linux/i2c.h> #include "pmbus.h" enum chips { lm25056, lm25066, lm5064, lm5066 }; enum chips { lm25056, lm25063, lm25066, lm5064, lm5066 }; #define LM25066_READ_VAUX 0xd0 #define LM25066_MFR_READ_IIN 0xd1 Loading @@ -52,6 +52,11 @@ enum chips { lm25056, lm25066, lm5064, lm5066 }; #define LM25056_MFR_STS_VAUX_OV_WARN (1 << 1) #define LM25056_MFR_STS_VAUX_UV_WARN (1 << 0) /* LM25063 only */ #define LM25063_READ_VOUT_MAX 0xe5 #define LM25063_READ_VOUT_MIN 0xe6 struct __coeff { short m, b, R; }; Loading @@ -59,7 +64,7 @@ struct __coeff { #define PSC_CURRENT_IN_L (PSC_NUM_CLASSES) #define PSC_POWER_L (PSC_NUM_CLASSES + 1) static struct __coeff lm25066_coeff[4][PSC_NUM_CLASSES + 2] = { static struct __coeff lm25066_coeff[5][PSC_NUM_CLASSES + 2] = { [lm25056] = { [PSC_VOLTAGE_IN] = { .m = 16296, Loading Loading @@ -116,6 +121,36 @@ static struct __coeff lm25066_coeff[4][PSC_NUM_CLASSES + 2] = { .m = 16, }, }, [lm25063] = { [PSC_VOLTAGE_IN] = { .m = 16000, .R = -2, }, [PSC_VOLTAGE_OUT] = { .m = 16000, .R = -2, }, [PSC_CURRENT_IN] = { .m = 10000, .R = -2, }, [PSC_CURRENT_IN_L] = { .m = 10000, .R = -2, }, [PSC_POWER] = { .m = 5000, .R = -3, }, [PSC_POWER_L] = { .m = 5000, .R = -3, }, [PSC_TEMPERATURE] = { .m = 15596, .R = -3, }, }, [lm5064] = { [PSC_VOLTAGE_IN] = { .m = 4611, Loading Loading @@ -178,6 +213,7 @@ static struct __coeff lm25066_coeff[4][PSC_NUM_CLASSES + 2] = { struct lm25066_data { int id; u16 rlimit; /* Maximum register value */ struct pmbus_driver_info info; }; Loading @@ -200,6 +236,10 @@ static int lm25066_read_word_data(struct i2c_client *client, int page, int reg) /* VIN: 6.14 mV VAUX: 293 uV LSB */ ret = DIV_ROUND_CLOSEST(ret * 293, 6140); break; case lm25063: /* VIN: 6.25 mV VAUX: 200.0 uV LSB */ ret = DIV_ROUND_CLOSEST(ret * 20, 625); break; case lm25066: /* VIN: 4.54 mV VAUX: 283.2 uV LSB */ ret = DIV_ROUND_CLOSEST(ret * 2832, 45400); Loading Loading @@ -253,6 +293,24 @@ static int lm25066_read_word_data(struct i2c_client *client, int page, int reg) return ret; } static int lm25063_read_word_data(struct i2c_client *client, int page, int reg) { int ret; switch (reg) { case PMBUS_VIRT_READ_VOUT_MAX: ret = pmbus_read_word_data(client, 0, LM25063_READ_VOUT_MAX); break; case PMBUS_VIRT_READ_VOUT_MIN: ret = pmbus_read_word_data(client, 0, LM25063_READ_VOUT_MIN); break; default: ret = lm25066_read_word_data(client, page, reg); break; } return ret; } static int lm25056_read_word_data(struct i2c_client *client, int page, int reg) { int ret; Loading Loading @@ -308,27 +366,34 @@ static int lm25056_read_byte_data(struct i2c_client *client, int page, int reg) static int lm25066_write_word_data(struct i2c_client *client, int page, int reg, u16 word) { const struct pmbus_driver_info *info = pmbus_get_driver_info(client); const struct lm25066_data *data = to_lm25066_data(info); int ret; switch (reg) { case PMBUS_POUT_OP_FAULT_LIMIT: case PMBUS_POUT_OP_WARN_LIMIT: case PMBUS_VOUT_UV_WARN_LIMIT: case PMBUS_OT_FAULT_LIMIT: case PMBUS_OT_WARN_LIMIT: case PMBUS_IIN_OC_FAULT_LIMIT: case PMBUS_VIN_UV_WARN_LIMIT: case PMBUS_VIN_UV_FAULT_LIMIT: case PMBUS_VIN_OV_FAULT_LIMIT: case PMBUS_VIN_OV_WARN_LIMIT: word = ((s16)word < 0) ? 0 : clamp_val(word, 0, 0x0fff); word = ((s16)word < 0) ? 0 : clamp_val(word, 0, data->rlimit); ret = pmbus_write_word_data(client, 0, reg, word); pmbus_clear_cache(client); break; case PMBUS_IIN_OC_WARN_LIMIT: word = ((s16)word < 0) ? 0 : clamp_val(word, 0, 0x0fff); word = ((s16)word < 0) ? 0 : clamp_val(word, 0, data->rlimit); ret = pmbus_write_word_data(client, 0, LM25066_MFR_IIN_OC_WARN_LIMIT, word); pmbus_clear_cache(client); break; case PMBUS_PIN_OP_WARN_LIMIT: word = ((s16)word < 0) ? 0 : clamp_val(word, 0, 0x0fff); word = ((s16)word < 0) ? 0 : clamp_val(word, 0, data->rlimit); ret = pmbus_write_word_data(client, 0, LM25066_MFR_PIN_OP_WARN_LIMIT, word); Loading @@ -337,7 +402,7 @@ static int lm25066_write_word_data(struct i2c_client *client, int page, int reg, case PMBUS_VIRT_VMON_UV_WARN_LIMIT: /* Adjust from VIN coefficients (for LM25056) */ word = DIV_ROUND_CLOSEST((int)word * 6140, 293); word = ((s16)word < 0) ? 0 : clamp_val(word, 0, 0x0fff); word = ((s16)word < 0) ? 0 : clamp_val(word, 0, data->rlimit); ret = pmbus_write_word_data(client, 0, LM25056_VAUX_UV_WARN_LIMIT, word); pmbus_clear_cache(client); Loading @@ -345,7 +410,7 @@ static int lm25066_write_word_data(struct i2c_client *client, int page, int reg, case PMBUS_VIRT_VMON_OV_WARN_LIMIT: /* Adjust from VIN coefficients (for LM25056) */ word = DIV_ROUND_CLOSEST((int)word * 6140, 293); word = ((s16)word < 0) ? 0 : clamp_val(word, 0, 0x0fff); word = ((s16)word < 0) ? 0 : clamp_val(word, 0, data->rlimit); ret = pmbus_write_word_data(client, 0, LM25056_VAUX_OV_WARN_LIMIT, word); pmbus_clear_cache(client); Loading Loading @@ -399,9 +464,16 @@ static int lm25066_probe(struct i2c_client *client, info->func[0] |= PMBUS_HAVE_STATUS_VMON; info->read_word_data = lm25056_read_word_data; info->read_byte_data = lm25056_read_byte_data; data->rlimit = 0x0fff; } else if (data->id == lm25063) { info->func[0] |= PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT | PMBUS_HAVE_POUT; info->read_word_data = lm25063_read_word_data; data->rlimit = 0xffff; } else { info->func[0] |= PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT; info->read_word_data = lm25066_read_word_data; data->rlimit = 0x0fff; } info->write_word_data = lm25066_write_word_data; Loading Loading @@ -432,6 +504,7 @@ static int lm25066_probe(struct i2c_client *client, static const struct i2c_device_id lm25066_id[] = { {"lm25056", lm25056}, {"lm25063", lm25063}, {"lm25066", lm25066}, {"lm5064", lm5064}, {"lm5066", lm5066}, Loading @@ -453,5 +526,5 @@ static struct i2c_driver lm25066_driver = { module_i2c_driver(lm25066_driver); MODULE_AUTHOR("Guenter Roeck"); MODULE_DESCRIPTION("PMBus driver for LM25056/LM25066/LM5064/LM5066"); MODULE_DESCRIPTION("PMBus driver for LM25066 and compatible chips"); MODULE_LICENSE("GPL"); Loading
Documentation/hwmon/lm25066 +19 −1 Original line number Diff line number Diff line Loading @@ -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: - Loading @@ -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 Loading Loading @@ -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 Loading @@ -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. Loading @@ -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. Loading
drivers/hwmon/pmbus/lm25066.c +82 −9 Original line number Diff line number Diff line /* * Hardware monitoring driver for LM25056 / LM25066 / LM5064 / LM5066 * Hardware monitoring driver for LM25056 / LM25063 / LM25066 / LM5064 / LM5066 * * Copyright (c) 2011 Ericsson AB. * Copyright (c) 2013 Guenter Roeck Loading Loading @@ -27,7 +27,7 @@ #include <linux/i2c.h> #include "pmbus.h" enum chips { lm25056, lm25066, lm5064, lm5066 }; enum chips { lm25056, lm25063, lm25066, lm5064, lm5066 }; #define LM25066_READ_VAUX 0xd0 #define LM25066_MFR_READ_IIN 0xd1 Loading @@ -52,6 +52,11 @@ enum chips { lm25056, lm25066, lm5064, lm5066 }; #define LM25056_MFR_STS_VAUX_OV_WARN (1 << 1) #define LM25056_MFR_STS_VAUX_UV_WARN (1 << 0) /* LM25063 only */ #define LM25063_READ_VOUT_MAX 0xe5 #define LM25063_READ_VOUT_MIN 0xe6 struct __coeff { short m, b, R; }; Loading @@ -59,7 +64,7 @@ struct __coeff { #define PSC_CURRENT_IN_L (PSC_NUM_CLASSES) #define PSC_POWER_L (PSC_NUM_CLASSES + 1) static struct __coeff lm25066_coeff[4][PSC_NUM_CLASSES + 2] = { static struct __coeff lm25066_coeff[5][PSC_NUM_CLASSES + 2] = { [lm25056] = { [PSC_VOLTAGE_IN] = { .m = 16296, Loading Loading @@ -116,6 +121,36 @@ static struct __coeff lm25066_coeff[4][PSC_NUM_CLASSES + 2] = { .m = 16, }, }, [lm25063] = { [PSC_VOLTAGE_IN] = { .m = 16000, .R = -2, }, [PSC_VOLTAGE_OUT] = { .m = 16000, .R = -2, }, [PSC_CURRENT_IN] = { .m = 10000, .R = -2, }, [PSC_CURRENT_IN_L] = { .m = 10000, .R = -2, }, [PSC_POWER] = { .m = 5000, .R = -3, }, [PSC_POWER_L] = { .m = 5000, .R = -3, }, [PSC_TEMPERATURE] = { .m = 15596, .R = -3, }, }, [lm5064] = { [PSC_VOLTAGE_IN] = { .m = 4611, Loading Loading @@ -178,6 +213,7 @@ static struct __coeff lm25066_coeff[4][PSC_NUM_CLASSES + 2] = { struct lm25066_data { int id; u16 rlimit; /* Maximum register value */ struct pmbus_driver_info info; }; Loading @@ -200,6 +236,10 @@ static int lm25066_read_word_data(struct i2c_client *client, int page, int reg) /* VIN: 6.14 mV VAUX: 293 uV LSB */ ret = DIV_ROUND_CLOSEST(ret * 293, 6140); break; case lm25063: /* VIN: 6.25 mV VAUX: 200.0 uV LSB */ ret = DIV_ROUND_CLOSEST(ret * 20, 625); break; case lm25066: /* VIN: 4.54 mV VAUX: 283.2 uV LSB */ ret = DIV_ROUND_CLOSEST(ret * 2832, 45400); Loading Loading @@ -253,6 +293,24 @@ static int lm25066_read_word_data(struct i2c_client *client, int page, int reg) return ret; } static int lm25063_read_word_data(struct i2c_client *client, int page, int reg) { int ret; switch (reg) { case PMBUS_VIRT_READ_VOUT_MAX: ret = pmbus_read_word_data(client, 0, LM25063_READ_VOUT_MAX); break; case PMBUS_VIRT_READ_VOUT_MIN: ret = pmbus_read_word_data(client, 0, LM25063_READ_VOUT_MIN); break; default: ret = lm25066_read_word_data(client, page, reg); break; } return ret; } static int lm25056_read_word_data(struct i2c_client *client, int page, int reg) { int ret; Loading Loading @@ -308,27 +366,34 @@ static int lm25056_read_byte_data(struct i2c_client *client, int page, int reg) static int lm25066_write_word_data(struct i2c_client *client, int page, int reg, u16 word) { const struct pmbus_driver_info *info = pmbus_get_driver_info(client); const struct lm25066_data *data = to_lm25066_data(info); int ret; switch (reg) { case PMBUS_POUT_OP_FAULT_LIMIT: case PMBUS_POUT_OP_WARN_LIMIT: case PMBUS_VOUT_UV_WARN_LIMIT: case PMBUS_OT_FAULT_LIMIT: case PMBUS_OT_WARN_LIMIT: case PMBUS_IIN_OC_FAULT_LIMIT: case PMBUS_VIN_UV_WARN_LIMIT: case PMBUS_VIN_UV_FAULT_LIMIT: case PMBUS_VIN_OV_FAULT_LIMIT: case PMBUS_VIN_OV_WARN_LIMIT: word = ((s16)word < 0) ? 0 : clamp_val(word, 0, 0x0fff); word = ((s16)word < 0) ? 0 : clamp_val(word, 0, data->rlimit); ret = pmbus_write_word_data(client, 0, reg, word); pmbus_clear_cache(client); break; case PMBUS_IIN_OC_WARN_LIMIT: word = ((s16)word < 0) ? 0 : clamp_val(word, 0, 0x0fff); word = ((s16)word < 0) ? 0 : clamp_val(word, 0, data->rlimit); ret = pmbus_write_word_data(client, 0, LM25066_MFR_IIN_OC_WARN_LIMIT, word); pmbus_clear_cache(client); break; case PMBUS_PIN_OP_WARN_LIMIT: word = ((s16)word < 0) ? 0 : clamp_val(word, 0, 0x0fff); word = ((s16)word < 0) ? 0 : clamp_val(word, 0, data->rlimit); ret = pmbus_write_word_data(client, 0, LM25066_MFR_PIN_OP_WARN_LIMIT, word); Loading @@ -337,7 +402,7 @@ static int lm25066_write_word_data(struct i2c_client *client, int page, int reg, case PMBUS_VIRT_VMON_UV_WARN_LIMIT: /* Adjust from VIN coefficients (for LM25056) */ word = DIV_ROUND_CLOSEST((int)word * 6140, 293); word = ((s16)word < 0) ? 0 : clamp_val(word, 0, 0x0fff); word = ((s16)word < 0) ? 0 : clamp_val(word, 0, data->rlimit); ret = pmbus_write_word_data(client, 0, LM25056_VAUX_UV_WARN_LIMIT, word); pmbus_clear_cache(client); Loading @@ -345,7 +410,7 @@ static int lm25066_write_word_data(struct i2c_client *client, int page, int reg, case PMBUS_VIRT_VMON_OV_WARN_LIMIT: /* Adjust from VIN coefficients (for LM25056) */ word = DIV_ROUND_CLOSEST((int)word * 6140, 293); word = ((s16)word < 0) ? 0 : clamp_val(word, 0, 0x0fff); word = ((s16)word < 0) ? 0 : clamp_val(word, 0, data->rlimit); ret = pmbus_write_word_data(client, 0, LM25056_VAUX_OV_WARN_LIMIT, word); pmbus_clear_cache(client); Loading Loading @@ -399,9 +464,16 @@ static int lm25066_probe(struct i2c_client *client, info->func[0] |= PMBUS_HAVE_STATUS_VMON; info->read_word_data = lm25056_read_word_data; info->read_byte_data = lm25056_read_byte_data; data->rlimit = 0x0fff; } else if (data->id == lm25063) { info->func[0] |= PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT | PMBUS_HAVE_POUT; info->read_word_data = lm25063_read_word_data; data->rlimit = 0xffff; } else { info->func[0] |= PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT; info->read_word_data = lm25066_read_word_data; data->rlimit = 0x0fff; } info->write_word_data = lm25066_write_word_data; Loading Loading @@ -432,6 +504,7 @@ static int lm25066_probe(struct i2c_client *client, static const struct i2c_device_id lm25066_id[] = { {"lm25056", lm25056}, {"lm25063", lm25063}, {"lm25066", lm25066}, {"lm5064", lm5064}, {"lm5066", lm5066}, Loading @@ -453,5 +526,5 @@ static struct i2c_driver lm25066_driver = { module_i2c_driver(lm25066_driver); MODULE_AUTHOR("Guenter Roeck"); MODULE_DESCRIPTION("PMBus driver for LM25056/LM25066/LM5064/LM5066"); MODULE_DESCRIPTION("PMBus driver for LM25066 and compatible chips"); MODULE_LICENSE("GPL");
Guenter Roeck <linux@roeck-us.net>Guenter Roeck <linux@roeck-us.net>