diff options
Diffstat (limited to 'drivers/hwmon/pmbus/isl68137.c')
| -rw-r--r-- | drivers/hwmon/pmbus/isl68137.c | 192 |
1 files changed, 176 insertions, 16 deletions
diff --git a/drivers/hwmon/pmbus/isl68137.c b/drivers/hwmon/pmbus/isl68137.c index 515596c92fe1..0c622711ef7e 100644 --- a/drivers/hwmon/pmbus/isl68137.c +++ b/drivers/hwmon/pmbus/isl68137.c @@ -1,8 +1,9 @@ // SPDX-License-Identifier: GPL-2.0+ /* - * Hardware monitoring driver for Intersil ISL68137 + * Hardware monitoring driver for Renesas Digital Multiphase Voltage Regulators * * Copyright (c) 2017 Google Inc + * Copyright (c) 2020 Renesas Electronics America * */ @@ -14,9 +15,61 @@ #include <linux/module.h> #include <linux/string.h> #include <linux/sysfs.h> + #include "pmbus.h" #define ISL68137_VOUT_AVS 0x30 +#define RAA_DMPVR2_READ_VMON 0xc8 + +enum chips { + isl68137, + isl68220, + isl68221, + isl68222, + isl68223, + isl68224, + isl68225, + isl68226, + isl68227, + isl68229, + isl68233, + isl68239, + isl69222, + isl69223, + isl69224, + isl69225, + isl69227, + isl69228, + isl69234, + isl69236, + isl69239, + isl69242, + isl69243, + isl69247, + isl69248, + isl69254, + isl69255, + isl69256, + isl69259, + isl69260, + isl69268, + isl69269, + isl69298, + raa228000, + raa228004, + raa228006, + raa228228, + raa229001, + raa229004, +}; + +enum variants { + raa_dmpvr1_2rail, + raa_dmpvr2_1rail, + raa_dmpvr2_2rail, + raa_dmpvr2_3rail, + raa_dmpvr2_hv, +}; static ssize_t isl68137_avs_enable_show_page(struct i2c_client *client, int page, @@ -49,7 +102,8 @@ static ssize_t isl68137_avs_enable_store_page(struct i2c_client *client, * enabling AVS control is the workaround. */ if (op_val == ISL68137_VOUT_AVS) { - rc = pmbus_read_word_data(client, page, PMBUS_VOUT_COMMAND); + rc = pmbus_read_word_data(client, page, 0xff, + PMBUS_VOUT_COMMAND); if (rc < 0) return rc; @@ -98,13 +152,31 @@ static const struct attribute_group enable_group = { .attrs = enable_attrs, }; -static const struct attribute_group *attribute_groups[] = { +static const struct attribute_group *isl68137_attribute_groups[] = { &enable_group, NULL, }; -static struct pmbus_driver_info isl68137_info = { - .pages = 2, +static int raa_dmpvr2_read_word_data(struct i2c_client *client, int page, + int phase, int reg) +{ + int ret; + + switch (reg) { + case PMBUS_VIRT_READ_VMON: + ret = pmbus_read_word_data(client, page, phase, + RAA_DMPVR2_READ_VMON); + break; + default: + ret = -ENODATA; + break; + } + + return ret; +} + +static struct pmbus_driver_info raa_dmpvr_info = { + .pages = 3, .format[PSC_VOLTAGE_IN] = direct, .format[PSC_VOLTAGE_OUT] = direct, .format[PSC_CURRENT_IN] = direct, @@ -113,7 +185,7 @@ static struct pmbus_driver_info isl68137_info = { .format[PSC_TEMPERATURE] = direct, .m[PSC_VOLTAGE_IN] = 1, .b[PSC_VOLTAGE_IN] = 0, - .R[PSC_VOLTAGE_IN] = 3, + .R[PSC_VOLTAGE_IN] = 2, .m[PSC_VOLTAGE_OUT] = 1, .b[PSC_VOLTAGE_OUT] = 0, .R[PSC_VOLTAGE_OUT] = 3, @@ -133,24 +205,112 @@ static struct pmbus_driver_info isl68137_info = { | PMBUS_HAVE_STATUS_INPUT | PMBUS_HAVE_TEMP | PMBUS_HAVE_TEMP2 | PMBUS_HAVE_TEMP3 | PMBUS_HAVE_STATUS_TEMP | PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT - | PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT | PMBUS_HAVE_POUT, - .func[1] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT - | PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT | PMBUS_HAVE_POUT, - .groups = attribute_groups, + | PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT | PMBUS_HAVE_POUT + | PMBUS_HAVE_VMON, + .func[1] = PMBUS_HAVE_IIN | PMBUS_HAVE_PIN | PMBUS_HAVE_STATUS_INPUT + | PMBUS_HAVE_TEMP | PMBUS_HAVE_TEMP3 | PMBUS_HAVE_STATUS_TEMP + | PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT | PMBUS_HAVE_IOUT + | PMBUS_HAVE_STATUS_IOUT | PMBUS_HAVE_POUT, + .func[2] = PMBUS_HAVE_IIN | PMBUS_HAVE_PIN | PMBUS_HAVE_STATUS_INPUT + | PMBUS_HAVE_TEMP | PMBUS_HAVE_TEMP3 | PMBUS_HAVE_STATUS_TEMP + | PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT | PMBUS_HAVE_IOUT + | PMBUS_HAVE_STATUS_IOUT | PMBUS_HAVE_POUT, }; static int isl68137_probe(struct i2c_client *client, const struct i2c_device_id *id) { - return pmbus_do_probe(client, id, &isl68137_info); + struct pmbus_driver_info *info; + + info = devm_kzalloc(&client->dev, sizeof(*info), GFP_KERNEL); + if (!info) + return -ENOMEM; + memcpy(info, &raa_dmpvr_info, sizeof(*info)); + + switch (id->driver_data) { + case raa_dmpvr1_2rail: + info->pages = 2; + info->R[PSC_VOLTAGE_IN] = 3; + info->func[0] &= ~PMBUS_HAVE_VMON; + info->func[1] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT + | PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT + | PMBUS_HAVE_POUT; + info->groups = isl68137_attribute_groups; + break; + case raa_dmpvr2_1rail: + info->pages = 1; + info->read_word_data = raa_dmpvr2_read_word_data; + break; + case raa_dmpvr2_2rail: + info->pages = 2; + info->read_word_data = raa_dmpvr2_read_word_data; + break; + case raa_dmpvr2_3rail: + info->read_word_data = raa_dmpvr2_read_word_data; + break; + case raa_dmpvr2_hv: + info->pages = 1; + info->R[PSC_VOLTAGE_IN] = 1; + info->m[PSC_VOLTAGE_OUT] = 2; + info->R[PSC_VOLTAGE_OUT] = 2; + info->m[PSC_CURRENT_IN] = 2; + info->m[PSC_POWER] = 2; + info->R[PSC_POWER] = -1; + info->read_word_data = raa_dmpvr2_read_word_data; + break; + default: + return -ENODEV; + } + + return pmbus_do_probe(client, id, info); } -static const struct i2c_device_id isl68137_id[] = { - {"isl68137", 0}, +static const struct i2c_device_id raa_dmpvr_id[] = { + {"isl68137", raa_dmpvr1_2rail}, + {"isl68220", raa_dmpvr2_2rail}, + {"isl68221", raa_dmpvr2_3rail}, + {"isl68222", raa_dmpvr2_2rail}, + {"isl68223", raa_dmpvr2_2rail}, + {"isl68224", raa_dmpvr2_3rail}, + {"isl68225", raa_dmpvr2_2rail}, + {"isl68226", raa_dmpvr2_3rail}, + {"isl68227", raa_dmpvr2_1rail}, + {"isl68229", raa_dmpvr2_3rail}, + {"isl68233", raa_dmpvr2_2rail}, + {"isl68239", raa_dmpvr2_3rail}, + + {"isl69222", raa_dmpvr2_2rail}, + {"isl69223", raa_dmpvr2_3rail}, + {"isl69224", raa_dmpvr2_2rail}, + {"isl69225", raa_dmpvr2_2rail}, + {"isl69227", raa_dmpvr2_3rail}, + {"isl69228", raa_dmpvr2_3rail}, + {"isl69234", raa_dmpvr2_2rail}, + {"isl69236", raa_dmpvr2_2rail}, + {"isl69239", raa_dmpvr2_3rail}, + {"isl69242", raa_dmpvr2_2rail}, + {"isl69243", raa_dmpvr2_1rail}, + {"isl69247", raa_dmpvr2_2rail}, + {"isl69248", raa_dmpvr2_2rail}, + {"isl69254", raa_dmpvr2_2rail}, + {"isl69255", raa_dmpvr2_2rail}, + {"isl69256", raa_dmpvr2_2rail}, + {"isl69259", raa_dmpvr2_2rail}, + {"isl69260", raa_dmpvr2_2rail}, + {"isl69268", raa_dmpvr2_2rail}, + {"isl69269", raa_dmpvr2_3rail}, + {"isl69298", raa_dmpvr2_2rail}, + + {"raa228000", raa_dmpvr2_hv}, + {"raa228004", raa_dmpvr2_hv}, + {"raa228006", raa_dmpvr2_hv}, + {"raa228228", raa_dmpvr2_2rail}, + {"raa229001", raa_dmpvr2_2rail}, + {"raa229004", raa_dmpvr2_2rail}, {} }; -MODULE_DEVICE_TABLE(i2c, isl68137_id); +MODULE_DEVICE_TABLE(i2c, raa_dmpvr_id); /* This is the driver that will be inserted */ static struct i2c_driver isl68137_driver = { @@ -159,11 +319,11 @@ static struct i2c_driver isl68137_driver = { }, .probe = isl68137_probe, .remove = pmbus_do_remove, - .id_table = isl68137_id, + .id_table = raa_dmpvr_id, }; module_i2c_driver(isl68137_driver); MODULE_AUTHOR("Maxim Sloyko <maxims@google.com>"); -MODULE_DESCRIPTION("PMBus driver for Intersil ISL68137"); +MODULE_DESCRIPTION("PMBus driver for Renesas digital multiphase voltage regulators"); MODULE_LICENSE("GPL"); |