^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) * Hardware monitoring driver for PMBus devices
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright (c) 2010, 2011 Ericsson AB.
^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) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/init.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/slab.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/mutex.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/i2c.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/pmbus.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include "pmbus.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) struct pmbus_device_info {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) int pages;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) u32 flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) static const struct i2c_device_id pmbus_id[];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) * Find sensor groups and status registers on each page.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) static void pmbus_find_sensor_groups(struct i2c_client *client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) struct pmbus_driver_info *info)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) int page;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) /* Sensors detected on page 0 only */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) if (pmbus_check_word_register(client, 0, PMBUS_READ_VIN))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) info->func[0] |= PMBUS_HAVE_VIN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) if (pmbus_check_word_register(client, 0, PMBUS_READ_VCAP))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) info->func[0] |= PMBUS_HAVE_VCAP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) if (pmbus_check_word_register(client, 0, PMBUS_READ_IIN))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) info->func[0] |= PMBUS_HAVE_IIN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) if (pmbus_check_word_register(client, 0, PMBUS_READ_PIN))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) info->func[0] |= PMBUS_HAVE_PIN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) if (info->func[0]
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) && pmbus_check_byte_register(client, 0, PMBUS_STATUS_INPUT))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) info->func[0] |= PMBUS_HAVE_STATUS_INPUT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) if (pmbus_check_byte_register(client, 0, PMBUS_FAN_CONFIG_12) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) pmbus_check_word_register(client, 0, PMBUS_READ_FAN_SPEED_1)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) info->func[0] |= PMBUS_HAVE_FAN12;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) if (pmbus_check_byte_register(client, 0, PMBUS_STATUS_FAN_12))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) info->func[0] |= PMBUS_HAVE_STATUS_FAN12;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) if (pmbus_check_byte_register(client, 0, PMBUS_FAN_CONFIG_34) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) pmbus_check_word_register(client, 0, PMBUS_READ_FAN_SPEED_3)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) info->func[0] |= PMBUS_HAVE_FAN34;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) if (pmbus_check_byte_register(client, 0, PMBUS_STATUS_FAN_34))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) info->func[0] |= PMBUS_HAVE_STATUS_FAN34;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) if (pmbus_check_word_register(client, 0, PMBUS_READ_TEMPERATURE_1))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) info->func[0] |= PMBUS_HAVE_TEMP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) if (pmbus_check_word_register(client, 0, PMBUS_READ_TEMPERATURE_2))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) info->func[0] |= PMBUS_HAVE_TEMP2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) if (pmbus_check_word_register(client, 0, PMBUS_READ_TEMPERATURE_3))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) info->func[0] |= PMBUS_HAVE_TEMP3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) if (info->func[0] & (PMBUS_HAVE_TEMP | PMBUS_HAVE_TEMP2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) | PMBUS_HAVE_TEMP3)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) && pmbus_check_byte_register(client, 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) PMBUS_STATUS_TEMPERATURE))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) info->func[0] |= PMBUS_HAVE_STATUS_TEMP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) /* Sensors detected on all pages */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) for (page = 0; page < info->pages; page++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) if (pmbus_check_word_register(client, page, PMBUS_READ_VOUT)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) info->func[page] |= PMBUS_HAVE_VOUT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) if (pmbus_check_byte_register(client, page,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) PMBUS_STATUS_VOUT))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) info->func[page] |= PMBUS_HAVE_STATUS_VOUT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) if (pmbus_check_word_register(client, page, PMBUS_READ_IOUT)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) info->func[page] |= PMBUS_HAVE_IOUT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) if (pmbus_check_byte_register(client, 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) PMBUS_STATUS_IOUT))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) info->func[page] |= PMBUS_HAVE_STATUS_IOUT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) if (pmbus_check_word_register(client, page, PMBUS_READ_POUT))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) info->func[page] |= PMBUS_HAVE_POUT;
^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)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) * Identify chip parameters.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) static int pmbus_identify(struct i2c_client *client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) struct pmbus_driver_info *info)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) int ret = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) if (!info->pages) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) * Check if the PAGE command is supported. If it is,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) * keep setting the page number until it fails or until the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) * maximum number of pages has been reached. Assume that
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) * this is the number of pages supported by the chip.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) if (pmbus_check_byte_register(client, 0, PMBUS_PAGE)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) int page;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) for (page = 1; page < PMBUS_PAGES; page++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) if (pmbus_set_page(client, page, 0xff) < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) pmbus_set_page(client, 0, 0xff);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) info->pages = page;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) info->pages = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) pmbus_clear_faults(client);
^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) if (pmbus_check_byte_register(client, 0, PMBUS_VOUT_MODE)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) int vout_mode, i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) vout_mode = pmbus_read_byte_data(client, 0, PMBUS_VOUT_MODE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) if (vout_mode >= 0 && vout_mode != 0xff) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) switch (vout_mode >> 5) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) case 0:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) case 1:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) info->format[PSC_VOLTAGE_OUT] = vid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) for (i = 0; i < info->pages; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) info->vrm_version[i] = vr11;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) case 2:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) info->format[PSC_VOLTAGE_OUT] = direct;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) ret = -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) goto abort;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) * We should check if the COEFFICIENTS register is supported.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) * If it is, and the chip is configured for direct mode, we can read
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) * the coefficients from the chip, one set per group of sensor
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) * registers.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) * To do this, we will need access to a chip which actually supports the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) * COEFFICIENTS command, since the command is too complex to implement
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) * without testing it. Until then, abort if a chip configured for direct
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) * mode was detected.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) if (info->format[PSC_VOLTAGE_OUT] == direct) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) ret = -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) goto abort;
^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) /* Try to find sensor groups */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) pmbus_find_sensor_groups(client, info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) abort:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) return ret;
^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) static int pmbus_probe(struct i2c_client *client)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) struct pmbus_driver_info *info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) struct pmbus_platform_data *pdata = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) struct device *dev = &client->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) struct pmbus_device_info *device_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) info = devm_kzalloc(dev, sizeof(struct pmbus_driver_info), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) if (!info)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) device_info = (struct pmbus_device_info *)i2c_match_id(pmbus_id, client)->driver_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) if (device_info->flags & PMBUS_SKIP_STATUS_CHECK) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) pdata = devm_kzalloc(dev, sizeof(struct pmbus_platform_data),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) if (!pdata)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) pdata->flags = PMBUS_SKIP_STATUS_CHECK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) info->pages = device_info->pages;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) info->identify = pmbus_identify;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) dev->platform_data = pdata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) return pmbus_do_probe(client, info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) static const struct pmbus_device_info pmbus_info_one = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) .pages = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) .flags = 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) static const struct pmbus_device_info pmbus_info_zero = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) .pages = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) .flags = 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) static const struct pmbus_device_info pmbus_info_one_skip = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) .pages = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) .flags = PMBUS_SKIP_STATUS_CHECK
^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) * Use driver_data to set the number of pages supported by the chip.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) static const struct i2c_device_id pmbus_id[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) {"adp4000", (kernel_ulong_t)&pmbus_info_one},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) {"bmr453", (kernel_ulong_t)&pmbus_info_one},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) {"bmr454", (kernel_ulong_t)&pmbus_info_one},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) {"dps460", (kernel_ulong_t)&pmbus_info_one_skip},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) {"dps650ab", (kernel_ulong_t)&pmbus_info_one_skip},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) {"dps800", (kernel_ulong_t)&pmbus_info_one_skip},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) {"max20796", (kernel_ulong_t)&pmbus_info_one},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) {"mdt040", (kernel_ulong_t)&pmbus_info_one},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) {"ncp4200", (kernel_ulong_t)&pmbus_info_one},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) {"ncp4208", (kernel_ulong_t)&pmbus_info_one},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) {"pdt003", (kernel_ulong_t)&pmbus_info_one},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) {"pdt006", (kernel_ulong_t)&pmbus_info_one},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) {"pdt012", (kernel_ulong_t)&pmbus_info_one},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) {"pmbus", (kernel_ulong_t)&pmbus_info_zero},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) {"sgd009", (kernel_ulong_t)&pmbus_info_one_skip},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) {"tps40400", (kernel_ulong_t)&pmbus_info_one},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) {"tps544b20", (kernel_ulong_t)&pmbus_info_one},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) {"tps544b25", (kernel_ulong_t)&pmbus_info_one},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) {"tps544c20", (kernel_ulong_t)&pmbus_info_one},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) {"tps544c25", (kernel_ulong_t)&pmbus_info_one},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) {"udt020", (kernel_ulong_t)&pmbus_info_one},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) {}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) MODULE_DEVICE_TABLE(i2c, pmbus_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) /* This is the driver that will be inserted */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) static struct i2c_driver pmbus_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) .driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) .name = "pmbus",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) .probe_new = pmbus_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) .remove = pmbus_do_remove,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) .id_table = pmbus_id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) module_i2c_driver(pmbus_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) MODULE_AUTHOR("Guenter Roeck");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) MODULE_DESCRIPTION("Generic PMBus driver");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) MODULE_LICENSE("GPL");