^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0+
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * Hardware monitoring driver for Renesas Digital Multiphase Voltage Regulators
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright (c) 2017 Google Inc
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * Copyright (c) 2020 Renesas Electronics America
^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) #include <linux/err.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/hwmon-sysfs.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/i2c.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/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <linux/string.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <linux/sysfs.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include "pmbus.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #define ISL68137_VOUT_AVS 0x30
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #define RAA_DMPVR2_READ_VMON 0xc8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) enum chips {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) isl68137,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) isl68220,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) isl68221,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) isl68222,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) isl68223,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) isl68224,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) isl68225,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) isl68226,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) isl68227,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) isl68229,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) isl68233,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) isl68239,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) isl69222,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) isl69223,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) isl69224,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) isl69225,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) isl69227,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) isl69228,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) isl69234,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) isl69236,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) isl69239,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) isl69242,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) isl69243,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) isl69247,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) isl69248,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) isl69254,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) isl69255,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) isl69256,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) isl69259,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) isl69260,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) isl69268,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) isl69269,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) isl69298,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) raa228000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) raa228004,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) raa228006,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) raa228228,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) raa229001,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) raa229004,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) enum variants {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) raa_dmpvr1_2rail,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) raa_dmpvr2_1rail,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) raa_dmpvr2_2rail,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) raa_dmpvr2_2rail_nontc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) raa_dmpvr2_3rail,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) raa_dmpvr2_hv,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) static const struct i2c_device_id raa_dmpvr_id[];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) static ssize_t isl68137_avs_enable_show_page(struct i2c_client *client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) int page,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) int val = pmbus_read_byte_data(client, page, PMBUS_OPERATION);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) return sprintf(buf, "%d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) (val & ISL68137_VOUT_AVS) == ISL68137_VOUT_AVS ? 1 : 0);
^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) static ssize_t isl68137_avs_enable_store_page(struct i2c_client *client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) int page,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) const char *buf, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) int rc, op_val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) bool result;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) rc = kstrtobool(buf, &result);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) if (rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) op_val = result ? ISL68137_VOUT_AVS : 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) * Writes to VOUT setpoint over AVSBus will persist after the VRM is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) * switched to PMBus control. Switching back to AVSBus control
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) * restores this persisted setpoint rather than re-initializing to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) * PMBus VOUT_COMMAND. Writing VOUT_COMMAND first over PMBus before
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) * enabling AVS control is the workaround.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) if (op_val == ISL68137_VOUT_AVS) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) rc = pmbus_read_word_data(client, page, 0xff,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) PMBUS_VOUT_COMMAND);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) if (rc < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) rc = pmbus_write_word_data(client, page, PMBUS_VOUT_COMMAND,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) rc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) if (rc < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) return rc;
^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) rc = pmbus_update_byte_data(client, page, PMBUS_OPERATION,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) ISL68137_VOUT_AVS, op_val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) return (rc < 0) ? rc : count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) static ssize_t isl68137_avs_enable_show(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) struct device_attribute *devattr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) struct i2c_client *client = to_i2c_client(dev->parent);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) return isl68137_avs_enable_show_page(client, attr->index, buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) static ssize_t isl68137_avs_enable_store(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) struct device_attribute *devattr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) const char *buf, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) struct i2c_client *client = to_i2c_client(dev->parent);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) return isl68137_avs_enable_store_page(client, attr->index, buf, count);
^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) static SENSOR_DEVICE_ATTR_RW(avs0_enable, isl68137_avs_enable, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) static SENSOR_DEVICE_ATTR_RW(avs1_enable, isl68137_avs_enable, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) static struct attribute *enable_attrs[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) &sensor_dev_attr_avs0_enable.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) &sensor_dev_attr_avs1_enable.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)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) static const struct attribute_group enable_group = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) .attrs = enable_attrs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) static const struct attribute_group *isl68137_attribute_groups[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) &enable_group,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) static int raa_dmpvr2_read_word_data(struct i2c_client *client, int page,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) int phase, int reg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) switch (reg) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) case PMBUS_VIRT_READ_VMON:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) ret = pmbus_read_word_data(client, page, phase,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) RAA_DMPVR2_READ_VMON);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) ret = -ENODATA;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) static struct pmbus_driver_info raa_dmpvr_info = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) .pages = 3,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) .format[PSC_VOLTAGE_IN] = direct,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) .format[PSC_VOLTAGE_OUT] = direct,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) .format[PSC_CURRENT_IN] = direct,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) .format[PSC_CURRENT_OUT] = direct,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) .format[PSC_POWER] = direct,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) .format[PSC_TEMPERATURE] = direct,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) .m[PSC_VOLTAGE_IN] = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) .b[PSC_VOLTAGE_IN] = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) .R[PSC_VOLTAGE_IN] = 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) .m[PSC_VOLTAGE_OUT] = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) .b[PSC_VOLTAGE_OUT] = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) .R[PSC_VOLTAGE_OUT] = 3,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) .m[PSC_CURRENT_IN] = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) .b[PSC_CURRENT_IN] = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) .R[PSC_CURRENT_IN] = 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) .m[PSC_CURRENT_OUT] = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) .b[PSC_CURRENT_OUT] = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) .R[PSC_CURRENT_OUT] = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) .m[PSC_POWER] = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) .b[PSC_POWER] = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) .R[PSC_POWER] = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) .m[PSC_TEMPERATURE] = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) .b[PSC_TEMPERATURE] = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) .R[PSC_TEMPERATURE] = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) .func[0] = PMBUS_HAVE_VIN | PMBUS_HAVE_IIN | PMBUS_HAVE_PIN
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) | PMBUS_HAVE_STATUS_INPUT | PMBUS_HAVE_TEMP | PMBUS_HAVE_TEMP2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) | PMBUS_HAVE_TEMP3 | PMBUS_HAVE_STATUS_TEMP
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) | PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) | PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT | PMBUS_HAVE_POUT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) | PMBUS_HAVE_VMON,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) .func[1] = PMBUS_HAVE_IIN | PMBUS_HAVE_PIN | PMBUS_HAVE_STATUS_INPUT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) | PMBUS_HAVE_TEMP | PMBUS_HAVE_TEMP3 | PMBUS_HAVE_STATUS_TEMP
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) | PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT | PMBUS_HAVE_IOUT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) | PMBUS_HAVE_STATUS_IOUT | PMBUS_HAVE_POUT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) .func[2] = PMBUS_HAVE_IIN | PMBUS_HAVE_PIN | PMBUS_HAVE_STATUS_INPUT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) | PMBUS_HAVE_TEMP | PMBUS_HAVE_TEMP3 | PMBUS_HAVE_STATUS_TEMP
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) | PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT | PMBUS_HAVE_IOUT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) | PMBUS_HAVE_STATUS_IOUT | PMBUS_HAVE_POUT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) static int isl68137_probe(struct i2c_client *client)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) struct pmbus_driver_info *info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) info = devm_kzalloc(&client->dev, sizeof(*info), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) if (!info)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) memcpy(info, &raa_dmpvr_info, sizeof(*info));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) switch (i2c_match_id(raa_dmpvr_id, client)->driver_data) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) case raa_dmpvr1_2rail:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) info->pages = 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) info->R[PSC_VOLTAGE_IN] = 3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) info->func[0] &= ~PMBUS_HAVE_VMON;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) info->func[1] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) | PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) | PMBUS_HAVE_POUT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) info->groups = isl68137_attribute_groups;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) case raa_dmpvr2_1rail:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) info->pages = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) info->read_word_data = raa_dmpvr2_read_word_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) case raa_dmpvr2_2rail_nontc:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) info->func[0] &= ~PMBUS_HAVE_TEMP3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) info->func[1] &= ~PMBUS_HAVE_TEMP3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) fallthrough;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) case raa_dmpvr2_2rail:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) info->pages = 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) info->read_word_data = raa_dmpvr2_read_word_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) case raa_dmpvr2_3rail:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) info->read_word_data = raa_dmpvr2_read_word_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) case raa_dmpvr2_hv:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) info->pages = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) info->R[PSC_VOLTAGE_IN] = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) info->m[PSC_VOLTAGE_OUT] = 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) info->R[PSC_VOLTAGE_OUT] = 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) info->m[PSC_CURRENT_IN] = 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) info->m[PSC_POWER] = 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) info->R[PSC_POWER] = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) info->read_word_data = raa_dmpvr2_read_word_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) return pmbus_do_probe(client, info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) static const struct i2c_device_id raa_dmpvr_id[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) {"isl68137", raa_dmpvr1_2rail},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) {"isl68220", raa_dmpvr2_2rail},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) {"isl68221", raa_dmpvr2_3rail},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) {"isl68222", raa_dmpvr2_2rail},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) {"isl68223", raa_dmpvr2_2rail},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) {"isl68224", raa_dmpvr2_3rail},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) {"isl68225", raa_dmpvr2_2rail},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) {"isl68226", raa_dmpvr2_3rail},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) {"isl68227", raa_dmpvr2_1rail},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) {"isl68229", raa_dmpvr2_3rail},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) {"isl68233", raa_dmpvr2_2rail},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) {"isl68239", raa_dmpvr2_3rail},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) {"isl69222", raa_dmpvr2_2rail},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) {"isl69223", raa_dmpvr2_3rail},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) {"isl69224", raa_dmpvr2_2rail},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) {"isl69225", raa_dmpvr2_2rail},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) {"isl69227", raa_dmpvr2_3rail},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) {"isl69228", raa_dmpvr2_3rail},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) {"isl69234", raa_dmpvr2_2rail},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) {"isl69236", raa_dmpvr2_2rail},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) {"isl69239", raa_dmpvr2_3rail},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) {"isl69242", raa_dmpvr2_2rail},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) {"isl69243", raa_dmpvr2_1rail},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) {"isl69247", raa_dmpvr2_2rail},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) {"isl69248", raa_dmpvr2_2rail},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) {"isl69254", raa_dmpvr2_2rail},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) {"isl69255", raa_dmpvr2_2rail},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) {"isl69256", raa_dmpvr2_2rail},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) {"isl69259", raa_dmpvr2_2rail},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) {"isl69260", raa_dmpvr2_2rail},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) {"isl69268", raa_dmpvr2_2rail},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) {"isl69269", raa_dmpvr2_3rail},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) {"isl69298", raa_dmpvr2_2rail},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) {"raa228000", raa_dmpvr2_hv},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) {"raa228004", raa_dmpvr2_hv},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) {"raa228006", raa_dmpvr2_hv},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) {"raa228228", raa_dmpvr2_2rail_nontc},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) {"raa229001", raa_dmpvr2_2rail},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) {"raa229004", raa_dmpvr2_2rail},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) {}
^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) MODULE_DEVICE_TABLE(i2c, raa_dmpvr_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) /* This is the driver that will be inserted */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) static struct i2c_driver isl68137_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) .driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) .name = "isl68137",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) .probe_new = isl68137_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) .remove = pmbus_do_remove,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) .id_table = raa_dmpvr_id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) module_i2c_driver(isl68137_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) MODULE_AUTHOR("Maxim Sloyko <maxims@google.com>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) MODULE_DESCRIPTION("PMBus driver for Renesas digital multiphase voltage regulators");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) MODULE_LICENSE("GPL");
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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