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-rw-r--r--drivers/hwmon/pmbus/Kconfig29
-rw-r--r--drivers/hwmon/pmbus/Makefile2
-rw-r--r--drivers/hwmon/pmbus/delta-ahe50dc-fan.c114
-rw-r--r--drivers/hwmon/pmbus/ir38064.c28
-rw-r--r--drivers/hwmon/pmbus/mp5023.c67
5 files changed, 237 insertions, 3 deletions
diff --git a/drivers/hwmon/pmbus/Kconfig b/drivers/hwmon/pmbus/Kconfig
index ffb609cee3a4..41f6cbf96d3b 100644
--- a/drivers/hwmon/pmbus/Kconfig
+++ b/drivers/hwmon/pmbus/Kconfig
@@ -66,6 +66,16 @@ config SENSORS_BPA_RS600
This driver can also be built as a module. If so, the module will
be called bpa-rs600.
+config SENSORS_DELTA_AHE50DC_FAN
+ tristate "Delta AHE-50DC fan control module"
+ help
+ If you say yes here you get hardware monitoring support for
+ the integrated fan control module of the Delta AHE-50DC
+ Open19 power shelf.
+
+ This driver can also be built as a module. If so, the module
+ will be called delta-ahe50dc-fan.
+
config SENSORS_FSP_3Y
tristate "FSP/3Y-Power power supplies"
help
@@ -123,14 +133,20 @@ config SENSORS_IR36021
be called ir36021.
config SENSORS_IR38064
- tristate "Infineon IR38064"
+ tristate "Infineon IR38064 and compatibles"
help
If you say yes here you get hardware monitoring support for Infineon
- IR38064.
+ IR38060, IR38064, IR38164 and IR38263.
This driver can also be built as a module. If so, the module will
be called ir38064.
+config SENSORS_IR38064_REGULATOR
+ bool "Regulator support for IR38064 and compatibles"
+ depends on SENSORS_IR38064 && REGULATOR
+ help
+ Uses the IR38064 or compatible as regulator.
+
config SENSORS_IRPS5401
tristate "Infineon IRPS5401"
help
@@ -276,6 +292,15 @@ config SENSORS_MP2975
This driver can also be built as a module. If so, the module will
be called mp2975.
+config SENSORS_MP5023
+ tristate "MPS MP5023"
+ help
+ If you say yes here you get hardware monitoring support for MPS
+ MP5023.
+
+ This driver can also be built as a module. If so, the module will
+ be called mp5023.
+
config SENSORS_PIM4328
tristate "Flex PIM4328 and compatibles"
help
diff --git a/drivers/hwmon/pmbus/Makefile b/drivers/hwmon/pmbus/Makefile
index 0ed4d596a948..e5935f70c9e0 100644
--- a/drivers/hwmon/pmbus/Makefile
+++ b/drivers/hwmon/pmbus/Makefile
@@ -9,6 +9,7 @@ obj-$(CONFIG_SENSORS_ADM1266) += adm1266.o
obj-$(CONFIG_SENSORS_ADM1275) += adm1275.o
obj-$(CONFIG_SENSORS_BEL_PFE) += bel-pfe.o
obj-$(CONFIG_SENSORS_BPA_RS600) += bpa-rs600.o
+obj-$(CONFIG_SENSORS_DELTA_AHE50DC_FAN) += delta-ahe50dc-fan.o
obj-$(CONFIG_SENSORS_FSP_3Y) += fsp-3y.o
obj-$(CONFIG_SENSORS_IBM_CFFPS) += ibm-cffps.o
obj-$(CONFIG_SENSORS_DPS920AB) += dps920ab.o
@@ -31,6 +32,7 @@ obj-$(CONFIG_SENSORS_MAX34440) += max34440.o
obj-$(CONFIG_SENSORS_MAX8688) += max8688.o
obj-$(CONFIG_SENSORS_MP2888) += mp2888.o
obj-$(CONFIG_SENSORS_MP2975) += mp2975.o
+obj-$(CONFIG_SENSORS_MP5023) += mp5023.o
obj-$(CONFIG_SENSORS_PM6764TR) += pm6764tr.o
obj-$(CONFIG_SENSORS_PXE1610) += pxe1610.o
obj-$(CONFIG_SENSORS_Q54SJ108A2) += q54sj108a2.o
diff --git a/drivers/hwmon/pmbus/delta-ahe50dc-fan.c b/drivers/hwmon/pmbus/delta-ahe50dc-fan.c
new file mode 100644
index 000000000000..40dffd9c4cbf
--- /dev/null
+++ b/drivers/hwmon/pmbus/delta-ahe50dc-fan.c
@@ -0,0 +1,114 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Delta AHE-50DC power shelf fan control module driver
+ *
+ * Copyright 2021 Zev Weiss <zev@bewilderbeest.net>
+ */
+
+#include <linux/i2c.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/pmbus.h>
+
+#include "pmbus.h"
+
+#define AHE50DC_PMBUS_READ_TEMP4 0xd0
+
+static int ahe50dc_fan_read_word_data(struct i2c_client *client, int page, int phase, int reg)
+{
+ /* temp1 in (virtual) page 1 is remapped to mfr-specific temp4 */
+ if (page == 1) {
+ if (reg == PMBUS_READ_TEMPERATURE_1)
+ return i2c_smbus_read_word_data(client, AHE50DC_PMBUS_READ_TEMP4);
+ return -EOPNOTSUPP;
+ }
+
+ /*
+ * There's a fairly limited set of commands this device actually
+ * supports, so here we block attempts to read anything else (which
+ * return 0xffff and would cause confusion elsewhere).
+ */
+ switch (reg) {
+ case PMBUS_STATUS_WORD:
+ case PMBUS_FAN_COMMAND_1:
+ case PMBUS_FAN_COMMAND_2:
+ case PMBUS_FAN_COMMAND_3:
+ case PMBUS_FAN_COMMAND_4:
+ case PMBUS_STATUS_FAN_12:
+ case PMBUS_STATUS_FAN_34:
+ case PMBUS_READ_VIN:
+ case PMBUS_READ_TEMPERATURE_1:
+ case PMBUS_READ_TEMPERATURE_2:
+ case PMBUS_READ_TEMPERATURE_3:
+ case PMBUS_READ_FAN_SPEED_1:
+ case PMBUS_READ_FAN_SPEED_2:
+ case PMBUS_READ_FAN_SPEED_3:
+ case PMBUS_READ_FAN_SPEED_4:
+ return -ENODATA;
+ default:
+ return -EOPNOTSUPP;
+ }
+}
+
+static struct pmbus_driver_info ahe50dc_fan_info = {
+ .pages = 2,
+ .format[PSC_FAN] = direct,
+ .format[PSC_TEMPERATURE] = direct,
+ .format[PSC_VOLTAGE_IN] = direct,
+ .m[PSC_FAN] = 1,
+ .b[PSC_FAN] = 0,
+ .R[PSC_FAN] = 0,
+ .m[PSC_TEMPERATURE] = 1,
+ .b[PSC_TEMPERATURE] = 0,
+ .R[PSC_TEMPERATURE] = 1,
+ .m[PSC_VOLTAGE_IN] = 1,
+ .b[PSC_VOLTAGE_IN] = 0,
+ .R[PSC_VOLTAGE_IN] = 3,
+ .func[0] = PMBUS_HAVE_TEMP | PMBUS_HAVE_TEMP2 | PMBUS_HAVE_TEMP3 |
+ PMBUS_HAVE_VIN | PMBUS_HAVE_FAN12 | PMBUS_HAVE_FAN34 |
+ PMBUS_HAVE_STATUS_FAN12 | PMBUS_HAVE_STATUS_FAN34 | PMBUS_PAGE_VIRTUAL,
+ .func[1] = PMBUS_HAVE_TEMP | PMBUS_PAGE_VIRTUAL,
+ .read_word_data = ahe50dc_fan_read_word_data,
+};
+
+/*
+ * CAPABILITY returns 0xff, which appears to be this device's way indicating
+ * it doesn't support something (and if we enable I2C_CLIENT_PEC on seeing bit
+ * 7 being set it generates bad PECs, so let's not go there).
+ */
+static struct pmbus_platform_data ahe50dc_fan_data = {
+ .flags = PMBUS_NO_CAPABILITY,
+};
+
+static int ahe50dc_fan_probe(struct i2c_client *client)
+{
+ client->dev.platform_data = &ahe50dc_fan_data;
+ return pmbus_do_probe(client, &ahe50dc_fan_info);
+}
+
+static const struct i2c_device_id ahe50dc_fan_id[] = {
+ { "ahe50dc_fan" },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, ahe50dc_fan_id);
+
+static const struct of_device_id __maybe_unused ahe50dc_fan_of_match[] = {
+ { .compatible = "delta,ahe50dc-fan" },
+ { }
+};
+MODULE_DEVICE_TABLE(of, ahe50dc_fan_of_match);
+
+static struct i2c_driver ahe50dc_fan_driver = {
+ .driver = {
+ .name = "ahe50dc_fan",
+ .of_match_table = of_match_ptr(ahe50dc_fan_of_match),
+ },
+ .probe_new = ahe50dc_fan_probe,
+ .id_table = ahe50dc_fan_id,
+};
+module_i2c_driver(ahe50dc_fan_driver);
+
+MODULE_AUTHOR("Zev Weiss <zev@bewilderbeest.net>");
+MODULE_DESCRIPTION("Driver for Delta AHE-50DC power shelf fan control module");
+MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(PMBUS);
diff --git a/drivers/hwmon/pmbus/ir38064.c b/drivers/hwmon/pmbus/ir38064.c
index 1fb7f1248639..09276e397194 100644
--- a/drivers/hwmon/pmbus/ir38064.c
+++ b/drivers/hwmon/pmbus/ir38064.c
@@ -16,8 +16,16 @@
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/module.h>
+#include <linux/of_device.h>
+#include <linux/regulator/driver.h>
#include "pmbus.h"
+#if IS_ENABLED(CONFIG_SENSORS_IR38064_REGULATOR)
+static const struct regulator_desc ir38064_reg_desc[] = {
+ PMBUS_REGULATOR("vout", 0),
+};
+#endif /* CONFIG_SENSORS_IR38064_REGULATOR */
+
static struct pmbus_driver_info ir38064_info = {
.pages = 1,
.format[PSC_VOLTAGE_IN] = linear,
@@ -33,6 +41,10 @@ static struct pmbus_driver_info ir38064_info = {
| PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT
| PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT
| PMBUS_HAVE_POUT,
+#if IS_ENABLED(CONFIG_SENSORS_IR38064_REGULATOR)
+ .num_regulators = 1,
+ .reg_desc = ir38064_reg_desc,
+#endif
};
static int ir38064_probe(struct i2c_client *client)
@@ -41,16 +53,30 @@ static int ir38064_probe(struct i2c_client *client)
}
static const struct i2c_device_id ir38064_id[] = {
+ {"ir38060", 0},
{"ir38064", 0},
+ {"ir38164", 0},
+ {"ir38263", 0},
{}
};
MODULE_DEVICE_TABLE(i2c, ir38064_id);
+static const struct of_device_id __maybe_unused ir38064_of_match[] = {
+ { .compatible = "infineon,ir38060" },
+ { .compatible = "infineon,ir38064" },
+ { .compatible = "infineon,ir38164" },
+ { .compatible = "infineon,ir38263" },
+ {}
+};
+
+MODULE_DEVICE_TABLE(of, ir38064_of_match);
+
/* This is the driver that will be inserted */
static struct i2c_driver ir38064_driver = {
.driver = {
.name = "ir38064",
+ .of_match_table = of_match_ptr(ir38064_of_match),
},
.probe_new = ir38064_probe,
.id_table = ir38064_id,
@@ -59,6 +85,6 @@ static struct i2c_driver ir38064_driver = {
module_i2c_driver(ir38064_driver);
MODULE_AUTHOR("Maxim Sloyko <maxims@google.com>");
-MODULE_DESCRIPTION("PMBus driver for Infineon IR38064");
+MODULE_DESCRIPTION("PMBus driver for Infineon IR38064 and compatible chips");
MODULE_LICENSE("GPL");
MODULE_IMPORT_NS(PMBUS);
diff --git a/drivers/hwmon/pmbus/mp5023.c b/drivers/hwmon/pmbus/mp5023.c
new file mode 100644
index 000000000000..791a06c3c54a
--- /dev/null
+++ b/drivers/hwmon/pmbus/mp5023.c
@@ -0,0 +1,67 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Driver for MPS MP5023 Hot-Swap Controller
+ */
+
+#include <linux/i2c.h>
+#include <linux/module.h>
+#include <linux/of_device.h>
+#include "pmbus.h"
+
+static struct pmbus_driver_info mp5023_info = {
+ .pages = 1,
+
+ .format[PSC_VOLTAGE_IN] = direct,
+ .format[PSC_VOLTAGE_OUT] = direct,
+ .format[PSC_CURRENT_OUT] = direct,
+ .format[PSC_POWER] = direct,
+ .format[PSC_TEMPERATURE] = direct,
+
+ .m[PSC_VOLTAGE_IN] = 32,
+ .b[PSC_VOLTAGE_IN] = 0,
+ .R[PSC_VOLTAGE_IN] = 0,
+ .m[PSC_VOLTAGE_OUT] = 32,
+ .b[PSC_VOLTAGE_OUT] = 0,
+ .R[PSC_VOLTAGE_OUT] = 0,
+ .m[PSC_CURRENT_OUT] = 16,
+ .b[PSC_CURRENT_OUT] = 0,
+ .R[PSC_CURRENT_OUT] = 0,
+ .m[PSC_POWER] = 1,
+ .b[PSC_POWER] = 0,
+ .R[PSC_POWER] = 0,
+ .m[PSC_TEMPERATURE] = 2,
+ .b[PSC_TEMPERATURE] = 0,
+ .R[PSC_TEMPERATURE] = 0,
+
+ .func[0] =
+ PMBUS_HAVE_VIN | PMBUS_HAVE_VOUT | PMBUS_HAVE_PIN |
+ PMBUS_HAVE_TEMP | PMBUS_HAVE_IOUT |
+ PMBUS_HAVE_STATUS_INPUT | PMBUS_HAVE_STATUS_TEMP,
+};
+
+static int mp5023_probe(struct i2c_client *client)
+{
+ return pmbus_do_probe(client, &mp5023_info);
+}
+
+static const struct of_device_id __maybe_unused mp5023_of_match[] = {
+ { .compatible = "mps,mp5023", },
+ {}
+};
+
+MODULE_DEVICE_TABLE(of, mp5023_of_match);
+
+static struct i2c_driver mp5023_driver = {
+ .driver = {
+ .name = "mp5023",
+ .of_match_table = of_match_ptr(mp5023_of_match),
+ },
+ .probe_new = mp5023_probe,
+};
+
+module_i2c_driver(mp5023_driver);
+
+MODULE_AUTHOR("Howard Chiu <howard.chiu@quantatw.com>");
+MODULE_DESCRIPTION("PMBus driver for MPS MP5023 HSC");
+MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(PMBUS);