^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0-or-later
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * MEN 14F021P00 Board Management Controller (BMC) hwmon driver.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * This is the core hwmon driver of the MEN 14F021P00 BMC.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * The BMC monitors the board voltages which can be access with this
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) * driver through sysfs.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) * Copyright (C) 2014 MEN Mikro Elektronik Nuernberg GmbH
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/platform_device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/hwmon.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <linux/hwmon-sysfs.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <linux/jiffies.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <linux/slab.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include <linux/i2c.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #include <linux/err.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #define DRV_NAME "menf21bmc_hwmon"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #define BMC_VOLT_COUNT 5
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) #define MENF21BMC_V33 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #define MENF21BMC_V5 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) #define MENF21BMC_V12 2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) #define MENF21BMC_V5_SB 3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) #define MENF21BMC_VBAT 4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) #define IDX_TO_VOLT_MIN_CMD(idx) (0x40 + idx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) #define IDX_TO_VOLT_MAX_CMD(idx) (0x50 + idx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) #define IDX_TO_VOLT_INP_CMD(idx) (0x60 + idx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) struct menf21bmc_hwmon {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) bool valid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) struct i2c_client *i2c_client;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) unsigned long last_update;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) int in_val[BMC_VOLT_COUNT];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) int in_min[BMC_VOLT_COUNT];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) int in_max[BMC_VOLT_COUNT];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) static const char *const input_names[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) [MENF21BMC_V33] = "MON_3_3V",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) [MENF21BMC_V5] = "MON_5V",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) [MENF21BMC_V12] = "MON_12V",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) [MENF21BMC_V5_SB] = "5V_STANDBY",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) [MENF21BMC_VBAT] = "VBAT"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) static struct menf21bmc_hwmon *menf21bmc_hwmon_update(struct device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) int val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) struct menf21bmc_hwmon *drv_data = dev_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) struct menf21bmc_hwmon *data_ret = drv_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) if (time_after(jiffies, drv_data->last_update + HZ)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) || !drv_data->valid) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) for (i = 0; i < BMC_VOLT_COUNT; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) val = i2c_smbus_read_word_data(drv_data->i2c_client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) IDX_TO_VOLT_INP_CMD(i));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) if (val < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) data_ret = ERR_PTR(val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) goto abort;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) drv_data->in_val[i] = val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) drv_data->last_update = jiffies;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) drv_data->valid = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) abort:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) return data_ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) static int menf21bmc_hwmon_get_volt_limits(struct menf21bmc_hwmon *drv_data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) int i, val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) for (i = 0; i < BMC_VOLT_COUNT; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) val = i2c_smbus_read_word_data(drv_data->i2c_client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) IDX_TO_VOLT_MIN_CMD(i));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) if (val < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) return val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) drv_data->in_min[i] = val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) val = i2c_smbus_read_word_data(drv_data->i2c_client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) IDX_TO_VOLT_MAX_CMD(i));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) if (val < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) return val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) drv_data->in_max[i] = val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) static ssize_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) label_show(struct device *dev, struct device_attribute *devattr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) return sprintf(buf, "%s\n", input_names[attr->index]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) static ssize_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) in_show(struct device *dev, struct device_attribute *devattr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) struct menf21bmc_hwmon *drv_data = menf21bmc_hwmon_update(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) if (IS_ERR(drv_data))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) return PTR_ERR(drv_data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) return sprintf(buf, "%d\n", drv_data->in_val[attr->index]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) static ssize_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) min_show(struct device *dev, struct device_attribute *devattr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) struct menf21bmc_hwmon *drv_data = dev_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) return sprintf(buf, "%d\n", drv_data->in_min[attr->index]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) static ssize_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) max_show(struct device *dev, struct device_attribute *devattr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) struct menf21bmc_hwmon *drv_data = dev_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) return sprintf(buf, "%d\n", drv_data->in_max[attr->index]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) static SENSOR_DEVICE_ATTR_RO(in0_input, in, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) static SENSOR_DEVICE_ATTR_RO(in0_min, min, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) static SENSOR_DEVICE_ATTR_RO(in0_max, max, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) static SENSOR_DEVICE_ATTR_RO(in0_label, label, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) static SENSOR_DEVICE_ATTR_RO(in1_input, in, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) static SENSOR_DEVICE_ATTR_RO(in1_min, min, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) static SENSOR_DEVICE_ATTR_RO(in1_max, max, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) static SENSOR_DEVICE_ATTR_RO(in1_label, label, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) static SENSOR_DEVICE_ATTR_RO(in2_input, in, 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) static SENSOR_DEVICE_ATTR_RO(in2_min, min, 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) static SENSOR_DEVICE_ATTR_RO(in2_max, max, 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) static SENSOR_DEVICE_ATTR_RO(in2_label, label, 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) static SENSOR_DEVICE_ATTR_RO(in3_input, in, 3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) static SENSOR_DEVICE_ATTR_RO(in3_min, min, 3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) static SENSOR_DEVICE_ATTR_RO(in3_max, max, 3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) static SENSOR_DEVICE_ATTR_RO(in3_label, label, 3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) static SENSOR_DEVICE_ATTR_RO(in4_input, in, 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) static SENSOR_DEVICE_ATTR_RO(in4_min, min, 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) static SENSOR_DEVICE_ATTR_RO(in4_max, max, 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) static SENSOR_DEVICE_ATTR_RO(in4_label, label, 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) static struct attribute *menf21bmc_hwmon_attrs[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) &sensor_dev_attr_in0_input.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) &sensor_dev_attr_in0_min.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) &sensor_dev_attr_in0_max.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) &sensor_dev_attr_in0_label.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) &sensor_dev_attr_in1_input.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) &sensor_dev_attr_in1_min.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) &sensor_dev_attr_in1_max.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) &sensor_dev_attr_in1_label.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) &sensor_dev_attr_in2_input.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) &sensor_dev_attr_in2_min.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) &sensor_dev_attr_in2_max.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) &sensor_dev_attr_in2_label.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) &sensor_dev_attr_in3_input.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) &sensor_dev_attr_in3_min.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) &sensor_dev_attr_in3_max.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) &sensor_dev_attr_in3_label.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) &sensor_dev_attr_in4_input.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) &sensor_dev_attr_in4_min.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) &sensor_dev_attr_in4_max.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) &sensor_dev_attr_in4_label.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) NULL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) ATTRIBUTE_GROUPS(menf21bmc_hwmon);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) static int menf21bmc_hwmon_probe(struct platform_device *pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) struct menf21bmc_hwmon *drv_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) struct i2c_client *i2c_client = to_i2c_client(pdev->dev.parent);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) struct device *hwmon_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) drv_data = devm_kzalloc(&pdev->dev, sizeof(struct menf21bmc_hwmon),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) if (!drv_data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) drv_data->i2c_client = i2c_client;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) ret = menf21bmc_hwmon_get_volt_limits(drv_data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) dev_err(&pdev->dev, "failed to read sensor limits");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) hwmon_dev = devm_hwmon_device_register_with_groups(&pdev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) "menf21bmc", drv_data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) menf21bmc_hwmon_groups);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) if (IS_ERR(hwmon_dev))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) return PTR_ERR(hwmon_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) dev_info(&pdev->dev, "MEN 14F021P00 BMC hwmon device enabled");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) static struct platform_driver menf21bmc_hwmon = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) .probe = menf21bmc_hwmon_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) .driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) .name = DRV_NAME,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) module_platform_driver(menf21bmc_hwmon);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) MODULE_AUTHOR("Andreas Werner <andreas.werner@men.de>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) MODULE_DESCRIPTION("MEN 14F021P00 BMC hwmon");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) MODULE_LICENSE("GPL v2");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) MODULE_ALIAS("platform:menf21bmc_hwmon");
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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