^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0-only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * emc1403.c - SMSC Thermal Driver
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright (C) 2008 Intel Corp
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
^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/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/slab.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/i2c.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <linux/hwmon.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <linux/hwmon-sysfs.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <linux/err.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include <linux/sysfs.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #include <linux/mutex.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #include <linux/regmap.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #define THERMAL_PID_REG 0xfd
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #define THERMAL_SMSC_ID_REG 0xfe
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) #define THERMAL_REVISION_REG 0xff
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) enum emc1403_chip { emc1402, emc1403, emc1404 };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) struct thermal_data {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) struct regmap *regmap;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) struct mutex mutex;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) const struct attribute_group *groups[4];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) static ssize_t temp_show(struct device *dev, struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) struct sensor_device_attribute *sda = to_sensor_dev_attr(attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) struct thermal_data *data = dev_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) unsigned int val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) int retval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) retval = regmap_read(data->regmap, sda->index, &val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) if (retval < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) return retval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) return sprintf(buf, "%d000\n", val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) static ssize_t bit_show(struct device *dev, struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) struct sensor_device_attribute_2 *sda = to_sensor_dev_attr_2(attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) struct thermal_data *data = dev_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) unsigned int val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) int retval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) retval = regmap_read(data->regmap, sda->nr, &val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) if (retval < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) return retval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) return sprintf(buf, "%d\n", !!(val & sda->index));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) static ssize_t temp_store(struct device *dev, struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) const char *buf, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) struct sensor_device_attribute *sda = to_sensor_dev_attr(attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) struct thermal_data *data = dev_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) unsigned long val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) int retval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) if (kstrtoul(buf, 10, &val))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) retval = regmap_write(data->regmap, sda->index,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) DIV_ROUND_CLOSEST(val, 1000));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) if (retval < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) return retval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) static ssize_t bit_store(struct device *dev, struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) const char *buf, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) struct sensor_device_attribute_2 *sda = to_sensor_dev_attr_2(attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) struct thermal_data *data = dev_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) unsigned long val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) int retval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) if (kstrtoul(buf, 10, &val))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) retval = regmap_update_bits(data->regmap, sda->nr, sda->index,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) val ? sda->index : 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) if (retval < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) return retval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) static ssize_t show_hyst_common(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) struct device_attribute *attr, char *buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) bool is_min)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) struct sensor_device_attribute *sda = to_sensor_dev_attr(attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) struct thermal_data *data = dev_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) struct regmap *regmap = data->regmap;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) unsigned int limit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) unsigned int hyst;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) int retval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) retval = regmap_read(regmap, sda->index, &limit);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) if (retval < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) return retval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) retval = regmap_read(regmap, 0x21, &hyst);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) if (retval < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) return retval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) return sprintf(buf, "%d000\n", is_min ? limit + hyst : limit - hyst);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) static ssize_t hyst_show(struct device *dev, struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) return show_hyst_common(dev, attr, buf, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) static ssize_t min_hyst_show(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) struct device_attribute *attr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) return show_hyst_common(dev, attr, buf, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) static ssize_t hyst_store(struct device *dev, struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) const char *buf, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) struct sensor_device_attribute *sda = to_sensor_dev_attr(attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) struct thermal_data *data = dev_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) struct regmap *regmap = data->regmap;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) unsigned int limit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) int retval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) int hyst;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) unsigned long val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) if (kstrtoul(buf, 10, &val))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) mutex_lock(&data->mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) retval = regmap_read(regmap, sda->index, &limit);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) if (retval < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) goto fail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) hyst = limit * 1000 - val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) hyst = clamp_val(DIV_ROUND_CLOSEST(hyst, 1000), 0, 255);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) retval = regmap_write(regmap, 0x21, hyst);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) if (retval == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) retval = count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) fail:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) mutex_unlock(&data->mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) return retval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) * Sensors. We pass the actual i2c register to the methods.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) static SENSOR_DEVICE_ATTR_RW(temp1_min, temp, 0x06);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) static SENSOR_DEVICE_ATTR_RW(temp1_max, temp, 0x05);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) static SENSOR_DEVICE_ATTR_RW(temp1_crit, temp, 0x20);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) static SENSOR_DEVICE_ATTR_RO(temp1_input, temp, 0x00);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) static SENSOR_DEVICE_ATTR_2_RO(temp1_min_alarm, bit, 0x36, 0x01);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) static SENSOR_DEVICE_ATTR_2_RO(temp1_max_alarm, bit, 0x35, 0x01);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) static SENSOR_DEVICE_ATTR_2_RO(temp1_crit_alarm, bit, 0x37, 0x01);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) static SENSOR_DEVICE_ATTR_RO(temp1_min_hyst, min_hyst, 0x06);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) static SENSOR_DEVICE_ATTR_RO(temp1_max_hyst, hyst, 0x05);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) static SENSOR_DEVICE_ATTR_RW(temp1_crit_hyst, hyst, 0x20);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) static SENSOR_DEVICE_ATTR_RW(temp2_min, temp, 0x08);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) static SENSOR_DEVICE_ATTR_RW(temp2_max, temp, 0x07);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) static SENSOR_DEVICE_ATTR_RW(temp2_crit, temp, 0x19);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) static SENSOR_DEVICE_ATTR_RO(temp2_input, temp, 0x01);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) static SENSOR_DEVICE_ATTR_2_RO(temp2_fault, bit, 0x1b, 0x02);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) static SENSOR_DEVICE_ATTR_2_RO(temp2_min_alarm, bit, 0x36, 0x02);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) static SENSOR_DEVICE_ATTR_2_RO(temp2_max_alarm, bit, 0x35, 0x02);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) static SENSOR_DEVICE_ATTR_2_RO(temp2_crit_alarm, bit, 0x37, 0x02);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) static SENSOR_DEVICE_ATTR_RO(temp2_min_hyst, min_hyst, 0x08);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) static SENSOR_DEVICE_ATTR_RO(temp2_max_hyst, hyst, 0x07);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) static SENSOR_DEVICE_ATTR_RO(temp2_crit_hyst, hyst, 0x19);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) static SENSOR_DEVICE_ATTR_RW(temp3_min, temp, 0x16);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) static SENSOR_DEVICE_ATTR_RW(temp3_max, temp, 0x15);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) static SENSOR_DEVICE_ATTR_RW(temp3_crit, temp, 0x1A);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) static SENSOR_DEVICE_ATTR_RO(temp3_input, temp, 0x23);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) static SENSOR_DEVICE_ATTR_2_RO(temp3_fault, bit, 0x1b, 0x04);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) static SENSOR_DEVICE_ATTR_2_RO(temp3_min_alarm, bit, 0x36, 0x04);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) static SENSOR_DEVICE_ATTR_2_RO(temp3_max_alarm, bit, 0x35, 0x04);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) static SENSOR_DEVICE_ATTR_2_RO(temp3_crit_alarm, bit, 0x37, 0x04);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) static SENSOR_DEVICE_ATTR_RO(temp3_min_hyst, min_hyst, 0x16);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) static SENSOR_DEVICE_ATTR_RO(temp3_max_hyst, hyst, 0x15);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) static SENSOR_DEVICE_ATTR_RO(temp3_crit_hyst, hyst, 0x1A);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) static SENSOR_DEVICE_ATTR_RW(temp4_min, temp, 0x2D);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) static SENSOR_DEVICE_ATTR_RW(temp4_max, temp, 0x2C);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) static SENSOR_DEVICE_ATTR_RW(temp4_crit, temp, 0x30);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) static SENSOR_DEVICE_ATTR_RO(temp4_input, temp, 0x2A);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) static SENSOR_DEVICE_ATTR_2_RO(temp4_fault, bit, 0x1b, 0x08);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) static SENSOR_DEVICE_ATTR_2_RO(temp4_min_alarm, bit, 0x36, 0x08);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) static SENSOR_DEVICE_ATTR_2_RO(temp4_max_alarm, bit, 0x35, 0x08);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) static SENSOR_DEVICE_ATTR_2_RO(temp4_crit_alarm, bit, 0x37, 0x08);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) static SENSOR_DEVICE_ATTR_RO(temp4_min_hyst, min_hyst, 0x2D);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) static SENSOR_DEVICE_ATTR_RO(temp4_max_hyst, hyst, 0x2C);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) static SENSOR_DEVICE_ATTR_RO(temp4_crit_hyst, hyst, 0x30);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) static SENSOR_DEVICE_ATTR_2_RW(power_state, bit, 0x03, 0x40);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) static struct attribute *emc1402_attrs[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) &sensor_dev_attr_temp1_min.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) &sensor_dev_attr_temp1_max.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) &sensor_dev_attr_temp1_crit.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) &sensor_dev_attr_temp1_input.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) &sensor_dev_attr_temp1_min_hyst.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) &sensor_dev_attr_temp1_max_hyst.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) &sensor_dev_attr_temp1_crit_hyst.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) &sensor_dev_attr_temp2_min.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) &sensor_dev_attr_temp2_max.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) &sensor_dev_attr_temp2_crit.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) &sensor_dev_attr_temp2_input.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) &sensor_dev_attr_temp2_min_hyst.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) &sensor_dev_attr_temp2_max_hyst.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) &sensor_dev_attr_temp2_crit_hyst.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) &sensor_dev_attr_power_state.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) NULL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) static const struct attribute_group emc1402_group = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) .attrs = emc1402_attrs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) static struct attribute *emc1403_attrs[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) &sensor_dev_attr_temp1_min_alarm.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) &sensor_dev_attr_temp1_max_alarm.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) &sensor_dev_attr_temp1_crit_alarm.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) &sensor_dev_attr_temp2_fault.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) &sensor_dev_attr_temp2_min_alarm.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) &sensor_dev_attr_temp2_max_alarm.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) &sensor_dev_attr_temp2_crit_alarm.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) &sensor_dev_attr_temp3_min.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) &sensor_dev_attr_temp3_max.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) &sensor_dev_attr_temp3_crit.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) &sensor_dev_attr_temp3_input.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) &sensor_dev_attr_temp3_fault.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) &sensor_dev_attr_temp3_min_alarm.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) &sensor_dev_attr_temp3_max_alarm.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) &sensor_dev_attr_temp3_crit_alarm.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) &sensor_dev_attr_temp3_min_hyst.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) &sensor_dev_attr_temp3_max_hyst.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) &sensor_dev_attr_temp3_crit_hyst.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) NULL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) static const struct attribute_group emc1403_group = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) .attrs = emc1403_attrs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) static struct attribute *emc1404_attrs[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) &sensor_dev_attr_temp4_min.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) &sensor_dev_attr_temp4_max.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) &sensor_dev_attr_temp4_crit.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) &sensor_dev_attr_temp4_input.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) &sensor_dev_attr_temp4_fault.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) &sensor_dev_attr_temp4_min_alarm.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) &sensor_dev_attr_temp4_max_alarm.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) &sensor_dev_attr_temp4_crit_alarm.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) &sensor_dev_attr_temp4_min_hyst.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) &sensor_dev_attr_temp4_max_hyst.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) &sensor_dev_attr_temp4_crit_hyst.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) NULL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) static const struct attribute_group emc1404_group = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) .attrs = emc1404_attrs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) * EMC14x2 uses a different register and different bits to report alarm and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) * fault status. For simplicity, provide a separate attribute group for this
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) * chip series.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) * Since we can not re-use the same attribute names, create a separate attribute
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) * array.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) static struct sensor_device_attribute_2 emc1402_alarms[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) SENSOR_ATTR_2_RO(temp1_min_alarm, bit, 0x02, 0x20),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) SENSOR_ATTR_2_RO(temp1_max_alarm, bit, 0x02, 0x40),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) SENSOR_ATTR_2_RO(temp1_crit_alarm, bit, 0x02, 0x01),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) SENSOR_ATTR_2_RO(temp2_fault, bit, 0x02, 0x04),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) SENSOR_ATTR_2_RO(temp2_min_alarm, bit, 0x02, 0x08),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) SENSOR_ATTR_2_RO(temp2_max_alarm, bit, 0x02, 0x10),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) SENSOR_ATTR_2_RO(temp2_crit_alarm, bit, 0x02, 0x02),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) static struct attribute *emc1402_alarm_attrs[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) &emc1402_alarms[0].dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) &emc1402_alarms[1].dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) &emc1402_alarms[2].dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) &emc1402_alarms[3].dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) &emc1402_alarms[4].dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) &emc1402_alarms[5].dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) &emc1402_alarms[6].dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) static const struct attribute_group emc1402_alarm_group = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) .attrs = emc1402_alarm_attrs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) static int emc1403_detect(struct i2c_client *client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) struct i2c_board_info *info)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) int id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) /* Check if thermal chip is SMSC and EMC1403 or EMC1423 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) id = i2c_smbus_read_byte_data(client, THERMAL_SMSC_ID_REG);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) if (id != 0x5d)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) id = i2c_smbus_read_byte_data(client, THERMAL_PID_REG);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) switch (id) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) case 0x20:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) strlcpy(info->type, "emc1402", I2C_NAME_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) case 0x21:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) strlcpy(info->type, "emc1403", I2C_NAME_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) case 0x22:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) strlcpy(info->type, "emc1422", I2C_NAME_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) case 0x23:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) strlcpy(info->type, "emc1423", I2C_NAME_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) case 0x25:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) strlcpy(info->type, "emc1404", I2C_NAME_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) case 0x27:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) strlcpy(info->type, "emc1424", I2C_NAME_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) id = i2c_smbus_read_byte_data(client, THERMAL_REVISION_REG);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) if (id < 0x01 || id > 0x04)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) static bool emc1403_regmap_is_volatile(struct device *dev, unsigned int reg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) switch (reg) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) case 0x00: /* internal diode high byte */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) case 0x01: /* external diode 1 high byte */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) case 0x02: /* status */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) case 0x10: /* external diode 1 low byte */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) case 0x1b: /* external diode fault */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) case 0x23: /* external diode 2 high byte */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) case 0x24: /* external diode 2 low byte */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) case 0x29: /* internal diode low byte */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) case 0x2a: /* externl diode 3 high byte */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) case 0x2b: /* external diode 3 low byte */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) case 0x35: /* high limit status */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) case 0x36: /* low limit status */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) case 0x37: /* therm limit status */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) static const struct regmap_config emc1403_regmap_config = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) .reg_bits = 8,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) .val_bits = 8,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) .cache_type = REGCACHE_RBTREE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) .volatile_reg = emc1403_regmap_is_volatile,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) static const struct i2c_device_id emc1403_idtable[];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) static int emc1403_probe(struct i2c_client *client)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) struct thermal_data *data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) struct device *hwmon_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) const struct i2c_device_id *id = i2c_match_id(emc1403_idtable, client);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) data = devm_kzalloc(&client->dev, sizeof(struct thermal_data),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) if (data == NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) data->regmap = devm_regmap_init_i2c(client, &emc1403_regmap_config);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) if (IS_ERR(data->regmap))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) return PTR_ERR(data->regmap);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) mutex_init(&data->mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) switch (id->driver_data) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) case emc1404:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) data->groups[2] = &emc1404_group;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) fallthrough;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) case emc1403:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) data->groups[1] = &emc1403_group;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) fallthrough;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) case emc1402:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) data->groups[0] = &emc1402_group;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) if (id->driver_data == emc1402)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) data->groups[1] = &emc1402_alarm_group;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) hwmon_dev = devm_hwmon_device_register_with_groups(&client->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) client->name, data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) data->groups);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) if (IS_ERR(hwmon_dev))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) return PTR_ERR(hwmon_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) dev_info(&client->dev, "%s Thermal chip found\n", id->name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) static const unsigned short emc1403_address_list[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) 0x18, 0x1c, 0x29, 0x4c, 0x4d, 0x5c, I2C_CLIENT_END
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) /* Last digit of chip name indicates number of channels */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) static const struct i2c_device_id emc1403_idtable[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) { "emc1402", emc1402 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) { "emc1403", emc1403 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) { "emc1404", emc1404 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) { "emc1412", emc1402 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) { "emc1413", emc1403 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) { "emc1414", emc1404 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) { "emc1422", emc1402 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) { "emc1423", emc1403 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) { "emc1424", emc1404 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) { }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) MODULE_DEVICE_TABLE(i2c, emc1403_idtable);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) static struct i2c_driver sensor_emc1403 = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) .class = I2C_CLASS_HWMON,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) .driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) .name = "emc1403",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) .detect = emc1403_detect,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) .probe_new = emc1403_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) .id_table = emc1403_idtable,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) .address_list = emc1403_address_list,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) module_i2c_driver(sensor_emc1403);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) MODULE_AUTHOR("Kalhan Trisal <kalhan.trisal@intel.com");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) MODULE_DESCRIPTION("emc1403 Thermal Driver");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) MODULE_LICENSE("GPL v2");
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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