From patchwork Tue Mar 1 18:01:12 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marcello Sylvester Bauer X-Patchwork-Id: 12764988 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2B838C433EF for ; Tue, 1 Mar 2022 18:01:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236791AbiCASCX (ORCPT ); Tue, 1 Mar 2022 13:02:23 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43930 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236785AbiCASCX (ORCPT ); Tue, 1 Mar 2022 13:02:23 -0500 Received: from mout-p-103.mailbox.org (mout-p-103.mailbox.org [IPv6:2001:67c:2050::465:103]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7FC123F336; Tue, 1 Mar 2022 10:01:41 -0800 (PST) Received: from smtp202.mailbox.org (smtp202.mailbox.org [80.241.60.245]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-384) server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by mout-p-103.mailbox.org (Postfix) with ESMTPS id 4K7Q6q4LcMz9sTM; Tue, 1 Mar 2022 19:01:39 +0100 (CET) From: Marcello Sylvester Bauer DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sylv.io; s=MBO0001; t=1646157697; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=gd09qvc3Z6SaSzk9E+3whnDKKoWn8INGP5nwCpQZBzc=; b=bbXmRNKtow7THbBZJ9jfYyKdAauLCgEs2w2wPE8J5bo047Totoh42oZvmq7DwdXIZ/KRMu w6YRKnkr8kuOrA4bVJXxBL3An4fcNJ36iHsZcXTv9gS/2VJdeXPxD1cSkFQz4reF6aKuCu rW19d4klWcXG8MQx8QLXq91XxEDPKR/5Rrq6Rglfln5wKK+SdlmMSX3GJbIcVdYSJ+Dc5Q FO7fjt4iULPBLZoFRE3UOop5jtFP4Uvp8+KZ7H/ky1IKS3yIuhl4oAl7SNY6WZg5mE0PSm HK2knAiDOrsNgujMtWOitL9oe6OxxpXpOyud/WCE47iI9fmLZDHJwBNX8HmLMQ== To: Guenter Roeck , Jean Delvare , Jonathan Corbet Cc: linux-kernel@vger.kernel.org, linux-hwmon@vger.kernel.org, Patrick Rudolph , Marcello Sylvester Bauer , linux-doc@vger.kernel.org Subject: [PATCH v3 2/3] hwmon (xdpe12284): Add support for xdpe11280 Date: Tue, 1 Mar 2022 19:01:12 +0100 Message-Id: In-Reply-To: References: MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-hwmon@vger.kernel.org Add support for another Infineon Multi-phase controller chip. The xdpe11280 uses linear instead of vid data format for VOUT. Detect VOUT_MODE format during probing and set the xdpe122 related pointers in case it uses vid. Signed-off-by: Marcello Sylvester Bauer --- Documentation/hwmon/xdpe12284.rst | 12 ++++++++---- drivers/hwmon/pmbus/xdpe12284.c | 22 +++++++++++++++++++--- 2 files changed, 27 insertions(+), 7 deletions(-) diff --git a/Documentation/hwmon/xdpe12284.rst b/Documentation/hwmon/xdpe12284.rst index 67d1f87808e5..a224dc74ad35 100644 --- a/Documentation/hwmon/xdpe12284.rst +++ b/Documentation/hwmon/xdpe12284.rst @@ -5,6 +5,10 @@ Kernel driver xdpe122 Supported chips: + * Infineon XDPE11280 + + Prefix: 'xdpe11280' + * Infineon XDPE12254 Prefix: 'xdpe12254' @@ -20,10 +24,10 @@ Authors: Description ----------- -This driver implements support for Infineon Multi-phase XDPE122 family -dual loop voltage regulators. -The family includes XDPE12284 and XDPE12254 devices. -The devices from this family complaint with: +This driver implements support for Infineon Multi-phase XDPE112 and XDPE122 +family dual loop voltage regulators. +These families include XDPE11280, XDPE12284 and XDPE12254 devices. +The devices from this family compliant with: - Intel VR13 and VR13HC rev 1.3, IMVP8 rev 1.2 and IMPVP9 rev 1.3 DC-DC converter specification. diff --git a/drivers/hwmon/pmbus/xdpe12284.c b/drivers/hwmon/pmbus/xdpe12284.c index b07da06a40c9..3413aba9d5be 100644 --- a/drivers/hwmon/pmbus/xdpe12284.c +++ b/drivers/hwmon/pmbus/xdpe12284.c @@ -110,7 +110,6 @@ static int xdpe122_identify(struct i2c_client *client, static struct pmbus_driver_info xdpe122_info = { .pages = XDPE122_PAGE_NUM, .format[PSC_VOLTAGE_IN] = linear, - .format[PSC_VOLTAGE_OUT] = vid, .format[PSC_TEMPERATURE] = linear, .format[PSC_CURRENT_IN] = linear, .format[PSC_CURRENT_OUT] = linear, @@ -123,23 +122,39 @@ static struct pmbus_driver_info xdpe122_info = { PMBUS_HAVE_IIN | PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT | PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP | PMBUS_HAVE_POUT | PMBUS_HAVE_PIN | PMBUS_HAVE_STATUS_INPUT, - .identify = xdpe122_identify, - .read_word_data = xdpe122_read_word_data, }; static int xdpe122_probe(struct i2c_client *client) { struct pmbus_driver_info *info; + int vout_mode; info = devm_kmemdup(&client->dev, &xdpe122_info, sizeof(*info), GFP_KERNEL); if (!info) return -ENOMEM; + vout_mode = pmbus_read_byte_data(client, 0, PMBUS_VOUT_MODE); + if (vout_mode >= 0 && vout_mode != 0xff) { + switch (vout_mode >> 5) { + case 0: + info->format[PSC_VOLTAGE_OUT] = linear; + break; + case 1: + info->format[PSC_VOLTAGE_OUT] = vid; + info->identify = xdpe122_identify; + info->read_word_data = xdpe122_read_word_data; + break; + default: + return -ENODEV; + } + } + return pmbus_do_probe(client, info); } static const struct i2c_device_id xdpe122_id[] = { + {"xdpe11280", 0}, {"xdpe12254", 0}, {"xdpe12284", 0}, {} @@ -148,6 +163,7 @@ static const struct i2c_device_id xdpe122_id[] = { MODULE_DEVICE_TABLE(i2c, xdpe122_id); static const struct of_device_id __maybe_unused xdpe122_of_match[] = { + {.compatible = "infineon,xdpe11280"}, {.compatible = "infineon,xdpe12254"}, {.compatible = "infineon,xdpe12284"}, {}