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ArunSaravananBalachandranArunSaravananBalachandran
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[dni_dps460] Add attributes to retrieve PMBus status command codes (sonic-net#197)
Add attributes to retrieve PMBus status command codes (Port of sonic-net#194 from 201811 branch) Signed-off-by: Arun Saravanan Balachandran <[email protected]>
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‎patch/driver-hwmon-pmbus-dni_dps460-add-status-attributes.patch

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From 0a3a6f30eb6ea96a1642a3ad75d2de87a1448fb3 Mon Sep 17 00:00:00 2001
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From: Arun Saravanan Balachandran <[email protected]>
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Date: Thu, 11 Feb 2021 09:15:41 +0000
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Subject: [PATCH] Add attributes to retrieve PMBus status command codes
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Signed-off-by: Arun Saravanan Balachandran <[email protected]>
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---
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drivers/hwmon/pmbus/dni_dps460.c | 152 +++++++++++++++++++++++++++++++++++++++
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1 file changed, 152 insertions(+)
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diff --git a/drivers/hwmon/pmbus/dni_dps460.c b/drivers/hwmon/pmbus/dni_dps460.c
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index d314c1f..313165a 100644
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--- a/drivers/hwmon/pmbus/dni_dps460.c
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+++ b/drivers/hwmon/pmbus/dni_dps460.c
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@@ -166,13 +166,165 @@ static ssize_t set_pec(struct device *dev, struct device_attribute *dummy,
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return count;
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}
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+static ssize_t show_capability(struct device *dev, struct device_attribute *devattr,
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+ char *buf) {
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+
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+ struct i2c_client *client = to_i2c_client(dev);
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+ struct pmbus_data *data = i2c_get_clientdata(client);
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+ int val;
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+
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+ mutex_lock(&data->update_lock);
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+ val = pmbus_read_byte_data(client, 0, PMBUS_CAPABILITY);
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+ pmbus_clear_faults(client);
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+ mutex_unlock(&data->update_lock);
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+ if (val < 0) {
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+ return val;
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+ }
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+ return sprintf(buf, "0x%x\n", val);
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+}
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+
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+static ssize_t show_status_word(struct device *dev, struct device_attribute *devattr,
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+ char *buf) {
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+
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+ struct i2c_client *client = to_i2c_client(dev);
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+ struct pmbus_data *data = i2c_get_clientdata(client);
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+ int val;
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+
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+ mutex_lock(&data->update_lock);
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+ val = pmbus_read_word_data(client, 0, PMBUS_STATUS_WORD);
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+ pmbus_clear_faults(client);
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+ mutex_unlock(&data->update_lock);
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+ if (val < 0) {
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+ return val;
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+ }
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+ return sprintf(buf, "0x%x\n", val);
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+}
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+
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+static ssize_t show_status_vout(struct device *dev, struct device_attribute *devattr,
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+ char *buf) {
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+
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+ struct i2c_client *client = to_i2c_client(dev);
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+ struct pmbus_data *data = i2c_get_clientdata(client);
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+ int val;
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+
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+ mutex_lock(&data->update_lock);
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+ val = pmbus_read_byte_data(client, 0, PMBUS_STATUS_VOUT);
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+ pmbus_clear_faults(client);
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+ mutex_unlock(&data->update_lock);
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+ if (val < 0) {
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+ return val;
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+ }
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+ return sprintf(buf, "0x%x\n", val);
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+}
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+
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+static ssize_t show_status_iout(struct device *dev, struct device_attribute *devattr,
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+ char *buf) {
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+
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+ struct i2c_client *client = to_i2c_client(dev);
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+ struct pmbus_data *data = i2c_get_clientdata(client);
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+ int val;
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+
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+ mutex_lock(&data->update_lock);
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+ val = pmbus_read_byte_data(client, 0, PMBUS_STATUS_IOUT);
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+ pmbus_clear_faults(client);
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+ mutex_unlock(&data->update_lock);
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+ if (val < 0) {
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+ return val;
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+ }
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+ return sprintf(buf, "0x%x\n", val);
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+}
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+
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+static ssize_t show_status_input(struct device *dev, struct device_attribute *devattr,
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+ char *buf) {
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+
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+ struct i2c_client *client = to_i2c_client(dev);
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+ struct pmbus_data *data = i2c_get_clientdata(client);
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+ int val;
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+
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+ mutex_lock(&data->update_lock);
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+ val = pmbus_read_byte_data(client, 0, PMBUS_STATUS_INPUT);
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+ pmbus_clear_faults(client);
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+ mutex_unlock(&data->update_lock);
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+ if (val < 0) {
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+ return val;
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+ }
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+ return sprintf(buf, "0x%x\n", val);
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+}
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+
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+static ssize_t show_status_temp(struct device *dev, struct device_attribute *devattr,
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+ char *buf) {
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+
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+ struct i2c_client *client = to_i2c_client(dev);
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+ struct pmbus_data *data = i2c_get_clientdata(client);
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+ int val;
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+
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+ mutex_lock(&data->update_lock);
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+ val = pmbus_read_byte_data(client, 0, PMBUS_STATUS_TEMPERATURE);
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+ pmbus_clear_faults(client);
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+ mutex_unlock(&data->update_lock);
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+ if (val < 0) {
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+ return val;
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+ }
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+ return sprintf(buf, "0x%x\n", val);
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+}
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+
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+static ssize_t show_status_cml(struct device *dev, struct device_attribute *devattr,
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+ char *buf) {
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+
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+ struct i2c_client *client = to_i2c_client(dev);
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+ struct pmbus_data *data = i2c_get_clientdata(client);
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+ int val;
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+
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+ mutex_lock(&data->update_lock);
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+ val = pmbus_read_byte_data(client, 0, PMBUS_STATUS_CML);
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+ pmbus_clear_faults(client);
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+ mutex_unlock(&data->update_lock);
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+ if (val < 0) {
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+ return val;
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+ }
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+ return sprintf(buf, "0x%x\n", val);
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+}
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+
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+static ssize_t show_status_fans(struct device *dev, struct device_attribute *devattr,
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+ char *buf) {
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+
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+ struct i2c_client *client = to_i2c_client(dev);
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+ struct pmbus_data *data = i2c_get_clientdata(client);
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+ int val;
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+
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+ mutex_lock(&data->update_lock);
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+ val = pmbus_read_byte_data(client, 0, PMBUS_STATUS_FAN_12);
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+ pmbus_clear_faults(client);
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+ mutex_unlock(&data->update_lock);
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+ if (val < 0) {
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+ return val;
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+ }
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+ return sprintf(buf, "0x%x\n", val);
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+}
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+
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static SENSOR_DEVICE_ATTR(pec, S_IWUSR | S_IRUGO, show_pec, set_pec, 0);
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static SENSOR_DEVICE_ATTR(fan1_target, S_IWUSR | S_IRUGO, get_target,
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set_target, 0);
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+static SENSOR_DEVICE_ATTR(capability, S_IRUGO, show_capability, NULL, 0);
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+static SENSOR_DEVICE_ATTR(status_word, S_IRUGO, show_status_word, NULL, 0);
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+static SENSOR_DEVICE_ATTR(status_vout, S_IRUGO, show_status_vout, NULL, 0);
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+static SENSOR_DEVICE_ATTR(status_iout, S_IRUGO, show_status_iout, NULL, 0);
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+static SENSOR_DEVICE_ATTR(status_input, S_IRUGO, show_status_input, NULL, 0);
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+static SENSOR_DEVICE_ATTR(status_temp, S_IRUGO, show_status_temp, NULL, 0);
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+static SENSOR_DEVICE_ATTR(status_cml, S_IRUGO, show_status_cml, NULL, 0);
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+static SENSOR_DEVICE_ATTR(status_fans_12, S_IRUGO, show_status_fans, NULL, 0);
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static struct attribute *dni_dps460_attrs[] = {
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&sensor_dev_attr_fan1_target.dev_attr.attr,
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&sensor_dev_attr_pec.dev_attr.attr,
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+ &sensor_dev_attr_capability.dev_attr.attr,
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+ &sensor_dev_attr_status_word.dev_attr.attr,
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+ &sensor_dev_attr_status_vout.dev_attr.attr,
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+ &sensor_dev_attr_status_iout.dev_attr.attr,
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+ &sensor_dev_attr_status_input.dev_attr.attr,
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+ &sensor_dev_attr_status_temp.dev_attr.attr,
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+ &sensor_dev_attr_status_cml.dev_attr.attr,
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+ &sensor_dev_attr_status_fans_12.dev_attr.attr,
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NULL
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};
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static struct attribute_group dni_dps460_attr_grp = {
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--
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2.7.4
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‎patch/series

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@@ -22,6 +22,7 @@ driver-hwmon-max6620-update.patch
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driver-hwmon-max6658-fix-write-convrate.patch
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driver-hwmon-pmbus-dni_dps460.patch
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driver-hwmon-pmbus-dni_dps460-update-pmbus-core.patch
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driver-hwmon-pmbus-dni_dps460-add-status-attributes.patch
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driver-hwmon-pmbus-dps1900.patch
2627
driver-support-tun-config-carrier-enable.patch
2728
driver-support-optoe.patch

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