From patchwork Thu Oct 22 11:51:51 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Charles Hsu X-Patchwork-Id: 11850903 X-Patchwork-Delegate: kuba@kernel.org 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=-9.6 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS 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 51AAEC388F7 for ; Thu, 22 Oct 2020 11:52:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CF47D223BF for ; Thu, 22 Oct 2020 11:52:06 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="BGgoQiIi" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2897597AbgJVLwG (ORCPT ); Thu, 22 Oct 2020 07:52:06 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37162 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2503592AbgJVLwF (ORCPT ); Thu, 22 Oct 2020 07:52:05 -0400 Received: from mail-lj1-x243.google.com (mail-lj1-x243.google.com [IPv6:2a00:1450:4864:20::243]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 56E8BC0613CE for ; Thu, 22 Oct 2020 04:52:05 -0700 (PDT) Received: by mail-lj1-x243.google.com with SMTP id m20so1602436ljj.5 for ; Thu, 22 Oct 2020 04:52:05 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:from:date:message-id:subject:to; bh=n58NkZJzVjLKTzwsAFYxWlkrSZkVUrs3TijMJQaRZaw=; b=BGgoQiIiw616dMTyyW7cApnACOITd/H5Uv3QsRi1CuE7MXPFIiwiR5ifgzSIWAlbXm yfaFJFQygW6bW1e0ejnqIjxsPVMm2X2HnHBX5k65d296Dy+7pqpR4XajnHShMKH1nVhg dvEGGJAF9QnY+556uAX02Li8c0XYgaoIVCawY5Fb2pJYGXT5xfbhhcmR9dplM7/bUBj0 FbfmeNfvhF4yKHzhTov8Y5MS4MfaGvX2J1mPO90Eg0RxsC1G/24LRC3fAFZad0AGQKWb eufdP+Wj51GbYfSiZFjXTu/G+SbckyIOihgilxynxJkRqAjbOvAVu7Narqqi6x5K2zyf Aunw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=n58NkZJzVjLKTzwsAFYxWlkrSZkVUrs3TijMJQaRZaw=; b=aE26wch1B25lpzwdeM3W4XYWE/WMoq3M6w2TCa1oSPjL+0Xzr2O4yOTJZTETiskv3c 4Ge1ozV7+GgkxxVwxayWsNb6LaD76LEtFH289Bg3zLjdjbrCRlpuCgA1zGzBDZjJwxL2 HsPwBzNVcKg/Fr9kH7LySNWPSTabco/pnZFEBBB9YK6Nmdt4PcrCcRf2PjLxMgTGPU3W fGSAyEjmml0eccn1/4p3YaiZ+35wa4FW9mPfpRShT58unLa8kv5zoiaQowgh/H/x1wQr iX3zZuKsLFP5lvkvgFfMi06Pat5UxCmBWnZTdb7OpykFVWy8z6mmVKQPxKPp/Hb0z45N Sevw== X-Gm-Message-State: AOAM530qe3SqknJnq5DKPVeDg9/eQk2N478W9+I/bwE16WMWT/AsBozW hrMdsCXSRnJj/gSdzIKuwiu/Ta4VofOZIy+JGeFXrYsWeufvWw== X-Google-Smtp-Source: ABdhPJydt35JWB5U9IzN9uBk2J3PwkBO83nW3P962A9uZ6ZZRNssGsSRj7EZu0WLLYbEz8jdaCuNsrdnHuwW3FnnffI= X-Received: by 2002:a2e:504b:: with SMTP id v11mr784074ljd.138.1603367523180; Thu, 22 Oct 2020 04:52:03 -0700 (PDT) MIME-Version: 1.0 From: Charles Hsu Date: Thu, 22 Oct 2020 19:51:51 +0800 Message-ID: Subject: [PATCH] hwmon: (pmbus) Add driver for STMicroelectronics PM6764TR Voltage Regulator To: netdev@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Add the pmbus driver for the STMicroelectronics pm6764tr voltage regulator. Signed-off-by: Charles Hsu --- drivers/hwmon/pmbus/Kconfig | 8 ++++ drivers/hwmon/pmbus/Makefile | 1 + drivers/hwmon/pmbus/pm6764tr.c | 76 ++++++++++++++++++++++++++++++++++ 3 files changed, 85 insertions(+) create mode 100644 drivers/hwmon/pmbus/pm6764tr.c +MODULE_LICENSE("GPL"); -- 2.25.1 diff --git a/drivers/hwmon/pmbus/Kconfig b/drivers/hwmon/pmbus/Kconfig index a25faf69fce3..e976997ee163 100644 --- a/drivers/hwmon/pmbus/Kconfig +++ b/drivers/hwmon/pmbus/Kconfig @@ -287,4 +287,12 @@ config SENSORS_ZL6100 This driver can also be built as a module. If so, the module will be called zl6100. +config SENSORS_PM6764TR + tristate "PM6764TR" + help + If you say yes here you get hardware monitoring support for PM6764TR. + + This driver can also be built as a module. If so, the module will + be called pm6764tr. + endif # PMBUS diff --git a/drivers/hwmon/pmbus/Makefile b/drivers/hwmon/pmbus/Makefile index 4c97ad0bd791..bb89fcf9544d 100644 --- a/drivers/hwmon/pmbus/Makefile +++ b/drivers/hwmon/pmbus/Makefile @@ -32,3 +32,4 @@ obj-$(CONFIG_SENSORS_UCD9000) += ucd9000.o obj-$(CONFIG_SENSORS_UCD9200) += ucd9200.o obj-$(CONFIG_SENSORS_XDPE122) += xdpe12284.o obj-$(CONFIG_SENSORS_ZL6100) += zl6100.o +obj-$(CONFIG_SENSORS_PM6764TR) += pm6764tr.o \ No newline at end of file diff --git a/drivers/hwmon/pmbus/pm6764tr.c b/drivers/hwmon/pmbus/pm6764tr.c new file mode 100644 index 000000000000..e03b1441268e --- /dev/null +++ b/drivers/hwmon/pmbus/pm6764tr.c @@ -0,0 +1,76 @@ +// SPDX-License-Identifier: GPL-2.0-or-later + +#include +#include +#include +#include +#include +#include +#include +#include +#include "pmbus.h" + +#define PM6764TR_PMBUS_READ_VOUT 0xD4 + +static int pm6764tr_read_word_data(struct i2c_client *client, int page, int reg) +{ + int ret; + + switch (reg) { + case PMBUS_VIRT_READ_VMON: + ret = pmbus_read_word_data(client, page, + PM6764TR_PMBUS_READ_VOUT); + break; + default: + ret = -ENODATA; + break; + } + return ret; +} + +static struct pmbus_driver_info pm6764tr_info = { + .pages = 1, + .format[PSC_VOLTAGE_IN] = linear, + .format[PSC_VOLTAGE_OUT] = vid, + .format[PSC_TEMPERATURE] = linear, + .format[PSC_CURRENT_OUT] = linear, + .format[PSC_POWER] = linear, + .func[0] = PMBUS_HAVE_VIN | PMBUS_HAVE_IIN | PMBUS_HAVE_PIN | + PMBUS_HAVE_IOUT | PMBUS_HAVE_POUT | PMBUS_HAVE_VMON | + PMBUS_HAVE_STATUS_IOUT | PMBUS_HAVE_STATUS_VOUT | + PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP, + .read_word_data = pm6764tr_read_word_data, +}; + +static int pm6764tr_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + return pmbus_do_probe(client, id, &pm6764tr_info); +} + +static const struct i2c_device_id pm6764tr_id[] = { + {"pm6764tr", 0}, + {} +}; +MODULE_DEVICE_TABLE(i2c, pm6764tr_id); + +static const struct of_device_id pm6764tr_of_match[] = { + {.compatible = "pm6764tr"}, + {} +}; + +static struct i2c_driver pm6764tr_driver = { + .driver = { + .name = "pm6764tr", + .of_match_table = of_match_ptr(pm6764tr_of_match), + }, + .probe = pm6764tr_probe, + .remove = pmbus_do_remove, + .id_table = pm6764tr_id, +}; + +module_i2c_driver(pm6764tr_driver); + +MODULE_AUTHOR("Charles Hsu"); +MODULE_DESCRIPTION("PMBus driver for ST PM6764TR");