Adding new acbel,fsg032 driver and documentation updates.
Changes since V2:
- Changed the driver name to acbel-fsg032.
- Fix warnings in acbel-fsg032 driver.
- Fix warnings in acbel-fsg032.rst and updated the index.
- Fix comments in trivial-devices.yaml.
- Fix commit message for dts changes.
- Updated the commit messages with new driver name.
Lakshmi Yadlapati (5):
dt-bindings: vendor-prefixes: Add prefix for acbel
dt-bindings: trivial-devices: Add acbel,fsg032
hwmon: (pmbus/acbel-fsg032) Add Acbel power supply
docs: hwmon: Add documentaion for acbel-fsg032 PSU
ARM: dts: aspeed: p10bmc: Change power supply info
.../devicetree/bindings/trivial-devices.yaml | 2 +
.../devicetree/bindings/vendor-prefixes.yaml | 2 +
Documentation/hwmon/acbel-fsg032.rst | 80 ++++++++++++++++
Documentation/hwmon/index.rst | 1 +
arch/arm/boot/dts/aspeed-bmc-ibm-bonnell.dts | 12 +--
drivers/hwmon/pmbus/Kconfig | 9 ++
drivers/hwmon/pmbus/Makefile | 1 +
drivers/hwmon/pmbus/acbel-fsg032.c | 96 +++++++++++++++++++
8 files changed, 197 insertions(+), 6 deletions(-)
create mode 100644 Documentation/hwmon/acbel-fsg032.rst
create mode 100644 drivers/hwmon/pmbus/acbel-fsg032.c
--
2.37.2
Add documentation changes for acbel-fsg032 psu
Signed-off-by: Lakshmi Yadlapati <[email protected]>
---
Documentation/hwmon/acbel-fsg032.rst | 80 ++++++++++++++++++++++++++++
Documentation/hwmon/index.rst | 1 +
2 files changed, 81 insertions(+)
create mode 100644 Documentation/hwmon/acbel-fsg032.rst
diff --git a/Documentation/hwmon/acbel-fsg032.rst b/Documentation/hwmon/acbel-fsg032.rst
new file mode 100644
index 000000000000..f1684b95e103
--- /dev/null
+++ b/Documentation/hwmon/acbel-fsg032.rst
@@ -0,0 +1,80 @@
+Kernel driver acbel-fsg032
+==========================
+
+Supported chips:
+
+ * ACBEL FSG032-00xG power supply.
+
+Author: Lakshmi Yadlapati <[email protected]>
+
+Description
+-----------
+
+This driver supports ACBEL FSG032-00xG Power Supply. This driver
+is a client to the core PMBus driver.
+
+Usage Notes
+-----------
+
+This driver does not auto-detect devices. You will have to instantiate the
+devices explicitly. Please see Documentation/i2c/instantiating-devices.rst for
+details.
+
+Sysfs entries
+-------------
+
+The following attributes are supported:
+
+======================= ======================================================
+curr1_crit Critical maximum current.
+curr1_crit_alarm Input current critical alarm.
+curr1_input Measured output current.
+curr1_label "iin"
+curr1_max Maximum input current.
+curr1_max_alarm Maximum input current high alarm.
+curr1_rated_max Maximum rated input current.
+curr2_crit Critical maximum current.
+curr2_crit_alarm Output current critical alarm.
+curr2_input Measured output current.
+curr2_label "iout1"
+curr2_max Maximum output current.
+curr2_max_alarm Output current high alarm.
+curr2_rated_max Maximum rated output current.
+
+
+fan1_alarm Fan 1 warning.
+fan1_fault Fan 1 fault.
+fan1_input Fan 1 speed in RPM.
+fan1_target Set fan speed reference.
+
+in1_alarm Input voltage under-voltage alarm.
+in1_input Measured input voltage.
+in1_label "vin"
+in1_rated_max Maximum rated input voltage.
+in1_rated_min Minimum rated input voltage.
+in2_crit Critical maximum output voltage.
+in2_crit_alarm Output voltage critical high alarm.
+in2_input Measured output voltage.
+in2_label "vout1"
+in2_lcrit Critical minimum output voltage.
+in2_lcrit_alarm Output voltage critical low alarm.
+in2_rated_max Maximum rated output voltage.
+in2_rated_min Minimum rated output voltage.
+
+power1_alarm Input fault or alarm.
+power1_input Measured input power.
+power1_label "pin"
+power1_max Input power limit.
+power1_rated_max Maximum rated input power.
+power2_crit Critical output power limit.
+power2_crit_alarm Output power crit alarm limit exceeded.
+power2_input Measured output power.
+power2_label "pout"
+power2_max Output power limit.
+power2_max_alarm Output power high alarm.
+power2_rated_max Maximum rated output power.
+
+temp[1-3]_input Measured temperature.
+temp[1-2]_max Maximum temperature.
+temp[1-3]_rated_max Temperature high alarm.
+======================= ======================================================
diff --git a/Documentation/hwmon/index.rst b/Documentation/hwmon/index.rst
index f1fe75f596a5..dc4ebed13617 100644
--- a/Documentation/hwmon/index.rst
+++ b/Documentation/hwmon/index.rst
@@ -23,6 +23,7 @@ Hardware Monitoring Kernel Drivers
abituguru
abituguru3
acpi_power_meter
+ acbel-fsg032
ad7314
adc128d818
adm1021
--
2.37.2
Add the driver to support ACBEL FSG032 power supply.
Signed-off-by: Lakshmi Yadlapati <[email protected]>
---
drivers/hwmon/pmbus/Kconfig | 9 +++
drivers/hwmon/pmbus/Makefile | 1 +
drivers/hwmon/pmbus/acbel-fsg032.c | 96 ++++++++++++++++++++++++++++++
3 files changed, 106 insertions(+)
create mode 100644 drivers/hwmon/pmbus/acbel-fsg032.c
diff --git a/drivers/hwmon/pmbus/Kconfig b/drivers/hwmon/pmbus/Kconfig
index 59d9a7430499..270b6336b76d 100644
--- a/drivers/hwmon/pmbus/Kconfig
+++ b/drivers/hwmon/pmbus/Kconfig
@@ -27,6 +27,15 @@ config SENSORS_PMBUS
This driver can also be built as a module. If so, the module will
be called pmbus.
+config SENSORS_ACBEL_FSG032
+ tristate "ACBEL FSG032 Power Supply"
+ help
+ If you say yes here you get hardware monitoring support for the ACBEL
+ FSG032 Power Supply.
+
+ This driver can also be built as a module. If so, the module will
+ be called acbel-fsg032.
+
config SENSORS_ADM1266
tristate "Analog Devices ADM1266 Sequencer"
select CRC8
diff --git a/drivers/hwmon/pmbus/Makefile b/drivers/hwmon/pmbus/Makefile
index 3ae019916267..84ee960a6c2d 100644
--- a/drivers/hwmon/pmbus/Makefile
+++ b/drivers/hwmon/pmbus/Makefile
@@ -5,6 +5,7 @@
obj-$(CONFIG_PMBUS) += pmbus_core.o
obj-$(CONFIG_SENSORS_PMBUS) += pmbus.o
+obj-$(CONFIG_SENSORS_ACBEL_FSG032) += acbel-fsg032.o
obj-$(CONFIG_SENSORS_ADM1266) += adm1266.o
obj-$(CONFIG_SENSORS_ADM1275) += adm1275.o
obj-$(CONFIG_SENSORS_BEL_PFE) += bel-pfe.o
diff --git a/drivers/hwmon/pmbus/acbel-fsg032.c b/drivers/hwmon/pmbus/acbel-fsg032.c
new file mode 100644
index 000000000000..7bfa0bf048db
--- /dev/null
+++ b/drivers/hwmon/pmbus/acbel-fsg032.c
@@ -0,0 +1,96 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright 2023 IBM Corp.
+ */
+
+#include <linux/device.h>
+#include <linux/fs.h>
+#include <linux/i2c.h>
+#include <linux/module.h>
+#include <linux/pmbus.h>
+#include <linux/hwmon-sysfs.h>
+#include "pmbus.h"
+
+struct acbel_fsg032 {
+ struct i2c_client *client;
+};
+
+static const struct i2c_device_id acbel_fsg032_id[] = {
+ { "acbel_fsg032" },
+ {}
+};
+
+static struct pmbus_driver_info acbel_fsg032_info = {
+ .pages = 1,
+ .func[0] = PMBUS_HAVE_VIN | PMBUS_HAVE_IIN | PMBUS_HAVE_PIN |
+ PMBUS_HAVE_VOUT | PMBUS_HAVE_IOUT | PMBUS_HAVE_POUT |
+ PMBUS_HAVE_TEMP | PMBUS_HAVE_TEMP2 | PMBUS_HAVE_TEMP3 |
+ PMBUS_HAVE_FAN12 | PMBUS_HAVE_STATUS_VOUT |
+ PMBUS_HAVE_STATUS_IOUT | PMBUS_HAVE_STATUS_TEMP |
+ PMBUS_HAVE_STATUS_INPUT | PMBUS_HAVE_STATUS_FAN12,
+};
+
+static int acbel_fsg032_probe(struct i2c_client *client)
+{
+ struct acbel_fsg032 *psu;
+ u8 buf[I2C_SMBUS_BLOCK_MAX + 1];
+ struct device *dev = &client->dev;
+ int rc;
+
+ rc = i2c_smbus_read_block_data(client, PMBUS_MFR_ID, buf);
+ if (rc < 0) {
+ dev_err(dev, "Failed to read PMBUS_MFR_ID\n");
+ return rc;
+ }
+ if (strncmp(buf, "ACBEL", 5)) {
+ buf[rc] = '\0';
+ dev_err(dev, "Manufacturer '%s' not supported\n", buf);
+ return -ENODEV;
+ }
+
+ rc = i2c_smbus_read_block_data(client, PMBUS_MFR_MODEL, buf);
+ if (rc < 0) {
+ dev_err(dev, "Failed to read PMBUS_MFR_MODEL\n");
+ return rc;
+ }
+
+ if (strncmp(buf, "FSG032", 6)) {
+ buf[rc] = '\0';
+ dev_err(dev, "Model '%s' not supported\n", buf);
+ return -ENODEV;
+ }
+
+ rc = pmbus_do_probe(client, &acbel_fsg032_info);
+ if (rc)
+ return rc;
+ /*
+ * Don't fail the probe if there isn't enough memory for debugfs.
+ */
+ psu = devm_kzalloc(&client->dev, sizeof(*psu), GFP_KERNEL);
+ if (!psu)
+ return 0;
+
+ return 0;
+}
+
+static const struct of_device_id acbel_fsg032_of_match[] = {
+ { .compatible = "acbel,fsg032" },
+ {}
+};
+MODULE_DEVICE_TABLE(of, acbel_fsg032_of_match);
+
+static struct i2c_driver acbel_fsg032_driver = {
+ .driver = {
+ .name = "acbel-fsg032",
+ .of_match_table = acbel_fsg032_of_match,
+ },
+ .probe_new = acbel_fsg032_probe,
+ .id_table = acbel_fsg032_id,
+};
+
+module_i2c_driver(acbel_fsg032_driver);
+
+MODULE_AUTHOR("Lakshmi Yadlapati");
+MODULE_DESCRIPTION("PMBus driver for AcBel Power System power supplies");
+MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(PMBUS);
--
2.37.2