From patchwork Tue Aug 24 12:44:34 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luka Kovacic X-Patchwork-Id: 502585 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0FFB1C43216 for ; Tue, 24 Aug 2021 12:46:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id F12926127B for ; Tue, 24 Aug 2021 12:46:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237296AbhHXMrg (ORCPT ); Tue, 24 Aug 2021 08:47:36 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53226 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237135AbhHXMrc (ORCPT ); Tue, 24 Aug 2021 08:47:32 -0400 Received: from mail-wm1-x32b.google.com (mail-wm1-x32b.google.com [IPv6:2a00:1450:4864:20::32b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1708EC061757 for ; Tue, 24 Aug 2021 05:46:48 -0700 (PDT) Received: by mail-wm1-x32b.google.com with SMTP id 79-20020a1c0452000000b002e6cf79e572so1807292wme.1 for ; Tue, 24 Aug 2021 05:46:48 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sartura-hr.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=QX4KXvjdPx5HHDVgMZ3AkXURWvFxwWFSR0xjaE5bC9w=; b=Hm1BTToVgxaPDmBKgYdC6cDNfvNAXD+/EP+XJ8yrQAH2rdxKvnLLcm7JlEOkLDY3rZ FIGkNXNJfcVQ+9AuYu4kmORj5L/f+utvO0H71EXEwWOp7au+XymH4YE6EfuR3rFhn8/W cLmath0dfp64GANJWiifAunoY9CSLV4SAGvQzccEld4wuUfpieetazOfqnA8uOTSpv/A v8qCX1deEefEuWm2IWM4e9gq0ZRW82X1ZrlZDGbDuEqktiU5UC99A3rrpwyzsPr7AaPd Q8dMfuQIBbME2UY1EVVpE/cLLKS36t8yllXssiO6xFSvp96llt93NDoUsfJxUNnM+d/s 8I+Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=QX4KXvjdPx5HHDVgMZ3AkXURWvFxwWFSR0xjaE5bC9w=; b=uYFvzTDjzwPT5bm2Br6yXvWrOEIFsbWaOIpg6Sz2JA53fEYaut+agR8dkaq2uYeq4Q 0bYqXBUgbbdvyOnVED8qQLVU/GqaXUY+ROxz/I1Dg+XiOsXhe3qgqqgKngNjycLT2nnu rLI0WVTNcgE7LmtGQMeC4XmcAA1eRcy1IocJB0y+SCHMJc4WzVHLZhjsns9VnNpX51z6 TPoX1h0ivgYEW7bOqNS3xUAqmm0jDGbci1FPm3pwLXH5wm1mpZTVjOiJ0Gsjmm+lUxyn ahlnFOOLyN0OdIiKey6UrSTAA04w9k9MyaRCY9cCEUiCKDj18krGpfQqxTP7yW9SqVbZ 47gw== X-Gm-Message-State: AOAM532wt4h9ETGY5XW6bu5LD5NJpAgfMhGgBQvZKBngyGrINNye1d4p pVH8A+b4W+QBZXr+uKwGQoOoEQ== X-Google-Smtp-Source: ABdhPJzF9kIp+T9nEJ1Jhtx/69m8h1IXSz2c64hJkzJCm49nY2d6EOxwGrM9pdhLuCfWFUTgPF6Taw== X-Received: by 2002:a1c:5401:: with SMTP id i1mr3849768wmb.156.1629809206600; Tue, 24 Aug 2021 05:46:46 -0700 (PDT) Received: from localhost.localdomain ([2a00:ee2:4b0d:3001:fe74:75c8:e909:251b]) by smtp.gmail.com with ESMTPSA id i14sm2255454wmq.40.2021.08.24.05.46.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 24 Aug 2021 05:46:46 -0700 (PDT) From: Luka Kovacic To: linux-doc@vger.kernel.org, linux-leds@vger.kernel.org, devicetree@vger.kernel.org, linux-hwmon@vger.kernel.org, linux-kernel@vger.kernel.org, geert+renesas@glider.be, Max.Merchel@tq-group.com, linux@rempel-privat.de, daniel@0x0f.com, shawnguo@kernel.org, sam@ravnborg.org, arnd@arndb.de, krzysztof.kozlowski@canonical.com, pavo.banicevic@sartura.hr, corbet@lwn.net, lee.jones@linaro.org, pavel@ucw.cz, robh+dt@kernel.org, linux@roeck-us.net, jdelvare@suse.com, goran.medic@sartura.hr, luka.perkov@sartura.hr, robert.marko@sartura.hr Cc: Luka Kovacic Subject: [PATCH v9 3/7] drivers: hwmon: Add the IEI WT61P803 PUZZLE HWMON driver Date: Tue, 24 Aug 2021 14:44:34 +0200 Message-Id: <20210824124438.14519-4-luka.kovacic@sartura.hr> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210824124438.14519-1-luka.kovacic@sartura.hr> References: <20210824124438.14519-1-luka.kovacic@sartura.hr> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-leds@vger.kernel.org Add the IEI WT61P803 PUZZLE HWMON driver, that handles the fan speed control via PWM, reading fan speed and reading on-board temperature sensors. The driver registers a HWMON device and a simple thermal cooling device to enable in-kernel fan management. This driver depends on the IEI WT61P803 PUZZLE MFD driver. Signed-off-by: Luka Kovacic Signed-off-by: Pavo Banicevic Acked-by: Guenter Roeck Cc: Luka Perkov Cc: Robert Marko --- drivers/hwmon/Kconfig | 8 + drivers/hwmon/Makefile | 1 + drivers/hwmon/iei-wt61p803-puzzle-hwmon.c | 413 ++++++++++++++++++++++ 3 files changed, 422 insertions(+) create mode 100644 drivers/hwmon/iei-wt61p803-puzzle-hwmon.c diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig index e3675377bc5d..53fdc8c2ae37 100644 --- a/drivers/hwmon/Kconfig +++ b/drivers/hwmon/Kconfig @@ -722,6 +722,14 @@ config SENSORS_IBMPOWERNV This driver can also be built as a module. If so, the module will be called ibmpowernv. +config SENSORS_IEI_WT61P803_PUZZLE_HWMON + tristate "IEI WT61P803 PUZZLE MFD HWMON Driver" + depends on MFD_IEI_WT61P803_PUZZLE + help + The IEI WT61P803 PUZZLE MFD HWMON Driver handles reading fan speed + and writing fan PWM values. It also supports reading on-board + temperature sensors. + config SENSORS_IIO_HWMON tristate "Hwmon driver that uses channels specified via iio maps" depends on IIO diff --git a/drivers/hwmon/Makefile b/drivers/hwmon/Makefile index d712c61c1f5e..b31f8d7e7c96 100644 --- a/drivers/hwmon/Makefile +++ b/drivers/hwmon/Makefile @@ -84,6 +84,7 @@ obj-$(CONFIG_SENSORS_HIH6130) += hih6130.o obj-$(CONFIG_SENSORS_ULTRA45) += ultra45_env.o obj-$(CONFIG_SENSORS_I5500) += i5500_temp.o obj-$(CONFIG_SENSORS_I5K_AMB) += i5k_amb.o +obj-$(CONFIG_SENSORS_IEI_WT61P803_PUZZLE_HWMON) += iei-wt61p803-puzzle-hwmon.o obj-$(CONFIG_SENSORS_IBMAEM) += ibmaem.o obj-$(CONFIG_SENSORS_IBMPEX) += ibmpex.o obj-$(CONFIG_SENSORS_IBMPOWERNV)+= ibmpowernv.o diff --git a/drivers/hwmon/iei-wt61p803-puzzle-hwmon.c b/drivers/hwmon/iei-wt61p803-puzzle-hwmon.c new file mode 100644 index 000000000000..3a895ca08474 --- /dev/null +++ b/drivers/hwmon/iei-wt61p803-puzzle-hwmon.c @@ -0,0 +1,413 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* IEI WT61P803 PUZZLE MCU HWMON Driver + * + * Copyright (C) 2020 Sartura Ltd. + * Author: Luka Kovacic + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#define IEI_WT61P803_PUZZLE_HWMON_MAX_PWM 2 +#define IEI_WT61P803_PUZZLE_HWMON_MAX_PWM_VAL 255 + +/** + * struct iei_wt61p803_puzzle_thermal_cooling_device - Thermal cooling device instance + * @mcu_hwmon: Parent driver struct pointer + * @tcdev: Thermal cooling device pointer + * @name: Thermal cooling device name + * @pwm_channel: Controlled PWM channel (0 or 1) + * @cooling_levels: Thermal cooling device cooling levels (DT) + */ +struct iei_wt61p803_puzzle_thermal_cooling_device { + struct iei_wt61p803_puzzle_hwmon *mcu_hwmon; + struct thermal_cooling_device *tcdev; + char name[THERMAL_NAME_LENGTH]; + int pwm_channel; + u8 *cooling_levels; +}; + +/** + * struct iei_wt61p803_puzzle_hwmon - MCU HWMON Driver + * @mcu: MCU struct pointer + * @response_buffer Global MCU response buffer + * @thermal_cooling_dev_present: Per-channel thermal cooling device control indicator + * @cdev: Per-channel thermal cooling device private structure + */ +struct iei_wt61p803_puzzle_hwmon { + struct iei_wt61p803_puzzle *mcu; + unsigned char response_buffer[IEI_WT61P803_PUZZLE_BUF_SIZE]; + bool thermal_cooling_dev_present[IEI_WT61P803_PUZZLE_HWMON_MAX_PWM]; + struct iei_wt61p803_puzzle_thermal_cooling_device + *cdev[IEI_WT61P803_PUZZLE_HWMON_MAX_PWM]; + struct mutex lock; /* mutex to protect response_buffer array */ +}; + +#define raw_temp_to_milidegree_celsius(x) (((x) - 0x80) * 1000) +static int iei_wt61p803_puzzle_read_temp_sensor(struct iei_wt61p803_puzzle_hwmon *mcu_hwmon, + int channel, long *value) +{ + unsigned char *resp_buf = mcu_hwmon->response_buffer; + unsigned char temp_sensor_ntc_cmd[4] = { + IEI_WT61P803_PUZZLE_CMD_HEADER_START, + IEI_WT61P803_PUZZLE_CMD_TEMP, + IEI_WT61P803_PUZZLE_CMD_TEMP_ALL, + }; + size_t reply_size; + int ret; + + mutex_lock(&mcu_hwmon->lock); + ret = iei_wt61p803_puzzle_write_command(mcu_hwmon->mcu, temp_sensor_ntc_cmd, + sizeof(temp_sensor_ntc_cmd), resp_buf, + &reply_size); + if (ret) + goto exit; + + if (reply_size != 7) { + ret = -EIO; + goto exit; + } + + /* Check the number of NTC values */ + if (resp_buf[3] != '2') { + ret = -EIO; + goto exit; + } + + *value = raw_temp_to_milidegree_celsius(resp_buf[4 + channel]); +exit: + mutex_unlock(&mcu_hwmon->lock); + return ret; +} + +#define raw_fan_val_to_rpm(x, y) ((((x) << 8 | (y)) / 2) * 60) +static int iei_wt61p803_puzzle_read_fan_speed(struct iei_wt61p803_puzzle_hwmon *mcu_hwmon, + int channel, long *value) +{ + unsigned char *resp_buf = mcu_hwmon->response_buffer; + unsigned char fan_speed_cmd[4] = {}; + size_t reply_size; + int ret; + + fan_speed_cmd[0] = IEI_WT61P803_PUZZLE_CMD_HEADER_START; + fan_speed_cmd[1] = IEI_WT61P803_PUZZLE_CMD_FAN; + fan_speed_cmd[2] = IEI_WT61P803_PUZZLE_CMD_FAN_RPM(channel); + + mutex_lock(&mcu_hwmon->lock); + ret = iei_wt61p803_puzzle_write_command(mcu_hwmon->mcu, fan_speed_cmd, + sizeof(fan_speed_cmd), resp_buf, + &reply_size); + if (ret) + goto exit; + + if (reply_size != 7) { + ret = -EIO; + goto exit; + } + + *value = raw_fan_val_to_rpm(resp_buf[3], resp_buf[4]); +exit: + mutex_unlock(&mcu_hwmon->lock); + return ret; +} + +static int iei_wt61p803_puzzle_write_pwm_channel(struct iei_wt61p803_puzzle_hwmon *mcu_hwmon, + int channel, long pwm_set_val) +{ + unsigned char *resp_buf = mcu_hwmon->response_buffer; + unsigned char pwm_set_cmd[6] = {}; + size_t reply_size; + int ret; + + pwm_set_cmd[0] = IEI_WT61P803_PUZZLE_CMD_HEADER_START; + pwm_set_cmd[1] = IEI_WT61P803_PUZZLE_CMD_FAN; + pwm_set_cmd[2] = IEI_WT61P803_PUZZLE_CMD_FAN_PWM_WRITE; + pwm_set_cmd[3] = IEI_WT61P803_PUZZLE_CMD_FAN_PWM(channel); + pwm_set_cmd[4] = pwm_set_val; + + mutex_lock(&mcu_hwmon->lock); + ret = iei_wt61p803_puzzle_write_command(mcu_hwmon->mcu, pwm_set_cmd, + sizeof(pwm_set_cmd), resp_buf, + &reply_size); + if (ret) + goto exit; + + if (reply_size != 3) { + ret = -EIO; + goto exit; + } + + if (!(resp_buf[0] == IEI_WT61P803_PUZZLE_CMD_HEADER_START && + resp_buf[1] == IEI_WT61P803_PUZZLE_CMD_RESPONSE_OK && + resp_buf[2] == IEI_WT61P803_PUZZLE_CHECKSUM_RESPONSE_OK)) { + ret = -EIO; + goto exit; + } +exit: + mutex_unlock(&mcu_hwmon->lock); + return ret; +} + +static int iei_wt61p803_puzzle_read_pwm_channel(struct iei_wt61p803_puzzle_hwmon *mcu_hwmon, + int channel, long *value) +{ + unsigned char *resp_buf = mcu_hwmon->response_buffer; + unsigned char pwm_get_cmd[5] = {}; + size_t reply_size; + int ret; + + pwm_get_cmd[0] = IEI_WT61P803_PUZZLE_CMD_HEADER_START; + pwm_get_cmd[1] = IEI_WT61P803_PUZZLE_CMD_FAN; + pwm_get_cmd[2] = IEI_WT61P803_PUZZLE_CMD_FAN_PWM_READ; + pwm_get_cmd[3] = IEI_WT61P803_PUZZLE_CMD_FAN_PWM(channel); + + ret = iei_wt61p803_puzzle_write_command(mcu_hwmon->mcu, pwm_get_cmd, + sizeof(pwm_get_cmd), resp_buf, + &reply_size); + if (ret) + return ret; + + if (reply_size != 5) + return -EIO; + + if (resp_buf[2] != IEI_WT61P803_PUZZLE_CMD_FAN_PWM_READ) + return -EIO; + + *value = resp_buf[3]; + + return 0; +} + +static int iei_wt61p803_puzzle_read(struct device *dev, enum hwmon_sensor_types type, + u32 attr, int channel, long *val) +{ + struct iei_wt61p803_puzzle_hwmon *mcu_hwmon = dev_get_drvdata(dev->parent); + + switch (type) { + case hwmon_pwm: + return iei_wt61p803_puzzle_read_pwm_channel(mcu_hwmon, channel, val); + case hwmon_fan: + return iei_wt61p803_puzzle_read_fan_speed(mcu_hwmon, channel, val); + case hwmon_temp: + return iei_wt61p803_puzzle_read_temp_sensor(mcu_hwmon, channel, val); + default: + return -EINVAL; + } +} + +static int iei_wt61p803_puzzle_write(struct device *dev, enum hwmon_sensor_types type, + u32 attr, int channel, long val) +{ + struct iei_wt61p803_puzzle_hwmon *mcu_hwmon = dev_get_drvdata(dev->parent); + + return iei_wt61p803_puzzle_write_pwm_channel(mcu_hwmon, channel, val); +} + +static umode_t iei_wt61p803_puzzle_is_visible(const void *data, enum hwmon_sensor_types type, + u32 attr, int channel) +{ + const struct iei_wt61p803_puzzle_hwmon *mcu_hwmon = data; + + switch (type) { + case hwmon_pwm: + if (mcu_hwmon->thermal_cooling_dev_present[channel]) + return 0444; + if (attr == hwmon_pwm_input) + return 0644; + break; + case hwmon_fan: + if (attr == hwmon_fan_input) + return 0444; + break; + case hwmon_temp: + if (attr == hwmon_temp_input) + return 0444; + break; + default: + return 0; + } + + return 0; +} + +static const struct hwmon_ops iei_wt61p803_puzzle_hwmon_ops = { + .is_visible = iei_wt61p803_puzzle_is_visible, + .read = iei_wt61p803_puzzle_read, + .write = iei_wt61p803_puzzle_write, +}; + +static const struct hwmon_channel_info *iei_wt61p803_puzzle_info[] = { + HWMON_CHANNEL_INFO(pwm, + HWMON_PWM_INPUT, + HWMON_PWM_INPUT), + HWMON_CHANNEL_INFO(fan, + HWMON_F_INPUT, + HWMON_F_INPUT, + HWMON_F_INPUT, + HWMON_F_INPUT, + HWMON_F_INPUT), + HWMON_CHANNEL_INFO(temp, + HWMON_T_INPUT, + HWMON_T_INPUT), + NULL +}; + +static const struct hwmon_chip_info iei_wt61p803_puzzle_chip_info = { + .ops = &iei_wt61p803_puzzle_hwmon_ops, + .info = iei_wt61p803_puzzle_info, +}; + +static int iei_wt61p803_puzzle_get_max_state(struct thermal_cooling_device *tcdev, + unsigned long *state) +{ + *state = IEI_WT61P803_PUZZLE_HWMON_MAX_PWM_VAL; + + return 0; +} + +static int iei_wt61p803_puzzle_get_cur_state(struct thermal_cooling_device *tcdev, + unsigned long *state) +{ + struct iei_wt61p803_puzzle_thermal_cooling_device *cdev = tcdev->devdata; + struct iei_wt61p803_puzzle_hwmon *mcu_hwmon = cdev->mcu_hwmon; + long value; + int ret; + + ret = iei_wt61p803_puzzle_read_pwm_channel(mcu_hwmon, cdev->pwm_channel, &value); + if (ret) + return ret; + *state = value; + return 0; +} + +static int iei_wt61p803_puzzle_set_cur_state(struct thermal_cooling_device *tcdev, + unsigned long state) +{ + struct iei_wt61p803_puzzle_thermal_cooling_device *cdev = tcdev->devdata; + struct iei_wt61p803_puzzle_hwmon *mcu_hwmon = cdev->mcu_hwmon; + + return iei_wt61p803_puzzle_write_pwm_channel(mcu_hwmon, cdev->pwm_channel, state); +} + +static const struct thermal_cooling_device_ops iei_wt61p803_puzzle_cooling_ops = { + .get_max_state = iei_wt61p803_puzzle_get_max_state, + .get_cur_state = iei_wt61p803_puzzle_get_cur_state, + .set_cur_state = iei_wt61p803_puzzle_set_cur_state, +}; + +static int +iei_wt61p803_puzzle_enable_thermal_cooling_dev(struct device *dev, + struct fwnode_handle *child, + struct iei_wt61p803_puzzle_hwmon *mcu_hwmon) +{ + struct iei_wt61p803_puzzle_thermal_cooling_device *cdev; + u32 pwm_channel; + u8 num_levels; + int ret; + + ret = fwnode_property_read_u32(child, "reg", &pwm_channel); + if (ret) + return ret; + + mcu_hwmon->thermal_cooling_dev_present[pwm_channel] = true; + + num_levels = fwnode_property_count_u8(child, "cooling-levels"); + if (!num_levels) + return -EINVAL; + + cdev = devm_kzalloc(dev, sizeof(*cdev), GFP_KERNEL); + if (!cdev) + return -ENOMEM; + + cdev->cooling_levels = devm_kmalloc_array(dev, num_levels, sizeof(u8), GFP_KERNEL); + if (!cdev->cooling_levels) + return -ENOMEM; + + ret = fwnode_property_read_u8_array(child, "cooling-levels", + cdev->cooling_levels, + num_levels); + if (ret) { + dev_err(dev, "Couldn't read property 'cooling-levels'\n"); + return ret; + } + + snprintf(cdev->name, THERMAL_NAME_LENGTH, "wt61p803_puzzle_%d", pwm_channel); + cdev->tcdev = devm_thermal_of_cooling_device_register(dev, NULL, cdev->name, cdev, + &iei_wt61p803_puzzle_cooling_ops); + if (IS_ERR(cdev->tcdev)) + return PTR_ERR(cdev->tcdev); + + cdev->mcu_hwmon = mcu_hwmon; + cdev->pwm_channel = pwm_channel; + mcu_hwmon->cdev[pwm_channel] = cdev; + + return 0; +} + +static int iei_wt61p803_puzzle_hwmon_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct iei_wt61p803_puzzle *mcu = dev_get_drvdata(dev->parent); + struct iei_wt61p803_puzzle_hwmon *mcu_hwmon; + struct fwnode_handle *child; + struct device *hwmon_dev; + int ret; + + mcu_hwmon = devm_kzalloc(dev, sizeof(*mcu_hwmon), GFP_KERNEL); + if (!mcu_hwmon) + return -ENOMEM; + + mcu_hwmon->mcu = mcu; + platform_set_drvdata(pdev, mcu_hwmon); + mutex_init(&mcu_hwmon->lock); + + hwmon_dev = devm_hwmon_device_register_with_info(dev, "iei_wt61p803_puzzle", + mcu_hwmon, + &iei_wt61p803_puzzle_chip_info, + NULL); + if (IS_ERR(hwmon_dev)) + return PTR_ERR(hwmon_dev); + + /* Control fans via PWM lines via Linux Kernel */ + if (IS_ENABLED(CONFIG_THERMAL)) { + device_for_each_child_node(dev, child) { + ret = iei_wt61p803_puzzle_enable_thermal_cooling_dev(dev, child, mcu_hwmon); + if (ret) { + dev_err(dev, "Enabling the PWM fan failed\n"); + fwnode_handle_put(child); + return ret; + } + } + } + return 0; +} + +static const struct of_device_id iei_wt61p803_puzzle_hwmon_id_table[] = { + { .compatible = "iei,wt61p803-puzzle-hwmon" }, + {} +}; +MODULE_DEVICE_TABLE(of, iei_wt61p803_puzzle_hwmon_id_table); + +static struct platform_driver iei_wt61p803_puzzle_hwmon_driver = { + .driver = { + .name = "iei-wt61p803-puzzle-hwmon", + .of_match_table = iei_wt61p803_puzzle_hwmon_id_table, + }, + .probe = iei_wt61p803_puzzle_hwmon_probe, +}; + +module_platform_driver(iei_wt61p803_puzzle_hwmon_driver); + +MODULE_DESCRIPTION("IEI WT61P803 PUZZLE MCU HWMON Driver"); +MODULE_AUTHOR("Luka Kovacic "); +MODULE_LICENSE("GPL v2");