^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) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * Copyright (C) 2012 ARM Limited
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) #define DRVNAME "vexpress-hwmon"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #define pr_fmt(fmt) DRVNAME ": " fmt
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/err.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/hwmon.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/hwmon-sysfs.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/of.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <linux/of_device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <linux/platform_device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <linux/vexpress.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) struct vexpress_hwmon_data {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) struct device *hwmon_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) struct regmap *reg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) static ssize_t vexpress_hwmon_label_show(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) struct device_attribute *dev_attr, char *buffer)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) const char *label = of_get_property(dev->of_node, "label", NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) return snprintf(buffer, PAGE_SIZE, "%s\n", label);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) static ssize_t vexpress_hwmon_u32_show(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) struct device_attribute *dev_attr, char *buffer)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) struct vexpress_hwmon_data *data = dev_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) u32 value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) err = regmap_read(data->reg, 0, &value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) return snprintf(buffer, PAGE_SIZE, "%u\n", value /
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) to_sensor_dev_attr(dev_attr)->index);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) static ssize_t vexpress_hwmon_u64_show(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) struct device_attribute *dev_attr, char *buffer)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) struct vexpress_hwmon_data *data = dev_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) u32 value_hi, value_lo;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) err = regmap_read(data->reg, 0, &value_lo);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) err = regmap_read(data->reg, 1, &value_hi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) return snprintf(buffer, PAGE_SIZE, "%llu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) div_u64(((u64)value_hi << 32) | value_lo,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) to_sensor_dev_attr(dev_attr)->index));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) static umode_t vexpress_hwmon_attr_is_visible(struct kobject *kobj,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) struct attribute *attr, int index)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) struct device *dev = kobj_to_dev(kobj);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) struct device_attribute *dev_attr = container_of(attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) struct device_attribute, attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) if (dev_attr->show == vexpress_hwmon_label_show &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) !of_get_property(dev->of_node, "label", NULL))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) return attr->mode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) struct vexpress_hwmon_type {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) const char *name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) const struct attribute_group **attr_groups;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) #if !defined(CONFIG_REGULATOR_VEXPRESS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) static DEVICE_ATTR(in1_label, 0444, vexpress_hwmon_label_show, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) static SENSOR_DEVICE_ATTR_RO(in1_input, vexpress_hwmon_u32, 1000);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) static struct attribute *vexpress_hwmon_attrs_volt[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) &dev_attr_in1_label.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) &sensor_dev_attr_in1_input.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) NULL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) static struct attribute_group vexpress_hwmon_group_volt = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) .is_visible = vexpress_hwmon_attr_is_visible,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) .attrs = vexpress_hwmon_attrs_volt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) static struct vexpress_hwmon_type vexpress_hwmon_volt = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) .name = "vexpress_volt",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) .attr_groups = (const struct attribute_group *[]) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) &vexpress_hwmon_group_volt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) static DEVICE_ATTR(curr1_label, 0444, vexpress_hwmon_label_show, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) static SENSOR_DEVICE_ATTR_RO(curr1_input, vexpress_hwmon_u32, 1000);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) static struct attribute *vexpress_hwmon_attrs_amp[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) &dev_attr_curr1_label.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) &sensor_dev_attr_curr1_input.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) NULL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) static struct attribute_group vexpress_hwmon_group_amp = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) .is_visible = vexpress_hwmon_attr_is_visible,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) .attrs = vexpress_hwmon_attrs_amp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) static struct vexpress_hwmon_type vexpress_hwmon_amp = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) .name = "vexpress_amp",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) .attr_groups = (const struct attribute_group *[]) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) &vexpress_hwmon_group_amp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) NULL
^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)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) static DEVICE_ATTR(temp1_label, 0444, vexpress_hwmon_label_show, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) static SENSOR_DEVICE_ATTR_RO(temp1_input, vexpress_hwmon_u32, 1000);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) static struct attribute *vexpress_hwmon_attrs_temp[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) &dev_attr_temp1_label.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) &sensor_dev_attr_temp1_input.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) NULL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) static struct attribute_group vexpress_hwmon_group_temp = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) .is_visible = vexpress_hwmon_attr_is_visible,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) .attrs = vexpress_hwmon_attrs_temp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) static struct vexpress_hwmon_type vexpress_hwmon_temp = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) .name = "vexpress_temp",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) .attr_groups = (const struct attribute_group *[]) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) &vexpress_hwmon_group_temp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) NULL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) static DEVICE_ATTR(power1_label, 0444, vexpress_hwmon_label_show, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) static SENSOR_DEVICE_ATTR_RO(power1_input, vexpress_hwmon_u32, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) static struct attribute *vexpress_hwmon_attrs_power[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) &dev_attr_power1_label.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) &sensor_dev_attr_power1_input.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) NULL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) static struct attribute_group vexpress_hwmon_group_power = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) .is_visible = vexpress_hwmon_attr_is_visible,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) .attrs = vexpress_hwmon_attrs_power,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) static struct vexpress_hwmon_type vexpress_hwmon_power = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) .name = "vexpress_power",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) .attr_groups = (const struct attribute_group *[]) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) &vexpress_hwmon_group_power,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) NULL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) },
^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 DEVICE_ATTR(energy1_label, 0444, vexpress_hwmon_label_show, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) static SENSOR_DEVICE_ATTR_RO(energy1_input, vexpress_hwmon_u64, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) static struct attribute *vexpress_hwmon_attrs_energy[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) &dev_attr_energy1_label.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) &sensor_dev_attr_energy1_input.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) NULL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) static struct attribute_group vexpress_hwmon_group_energy = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) .is_visible = vexpress_hwmon_attr_is_visible,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) .attrs = vexpress_hwmon_attrs_energy,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) static struct vexpress_hwmon_type vexpress_hwmon_energy = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) .name = "vexpress_energy",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) .attr_groups = (const struct attribute_group *[]) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) &vexpress_hwmon_group_energy,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) NULL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) static const struct of_device_id vexpress_hwmon_of_match[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) #if !defined(CONFIG_REGULATOR_VEXPRESS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) .compatible = "arm,vexpress-volt",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) .data = &vexpress_hwmon_volt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) .compatible = "arm,vexpress-amp",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) .data = &vexpress_hwmon_amp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) }, {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) .compatible = "arm,vexpress-temp",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) .data = &vexpress_hwmon_temp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) }, {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) .compatible = "arm,vexpress-power",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) .data = &vexpress_hwmon_power,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) }, {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) .compatible = "arm,vexpress-energy",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) .data = &vexpress_hwmon_energy,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) {}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) MODULE_DEVICE_TABLE(of, vexpress_hwmon_of_match);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) static int vexpress_hwmon_probe(struct platform_device *pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) const struct of_device_id *match;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) struct vexpress_hwmon_data *data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) const struct vexpress_hwmon_type *type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) if (!data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) platform_set_drvdata(pdev, data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) match = of_match_device(vexpress_hwmon_of_match, &pdev->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) if (!match)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) type = match->data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) data->reg = devm_regmap_init_vexpress_config(&pdev->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) if (IS_ERR(data->reg))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) return PTR_ERR(data->reg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) data->hwmon_dev = devm_hwmon_device_register_with_groups(&pdev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) type->name, data, type->attr_groups);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) return PTR_ERR_OR_ZERO(data->hwmon_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) static struct platform_driver vexpress_hwmon_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) .probe = vexpress_hwmon_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) .driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) .name = DRVNAME,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) .of_match_table = vexpress_hwmon_of_match,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) module_platform_driver(vexpress_hwmon_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) MODULE_AUTHOR("Pawel Moll <pawel.moll@arm.com>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) MODULE_DESCRIPTION("Versatile Express hwmon sensors driver");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) MODULE_LICENSE("GPL");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) MODULE_ALIAS("platform:vexpress-hwmon");
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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