From patchwork Wed Mar 2 09:49:20 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: 12765706 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 1449DC433F5 for ; Wed, 2 Mar 2022 09:49:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240671AbiCBJuh (ORCPT ); Wed, 2 Mar 2022 04:50:37 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58546 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240653AbiCBJuf (ORCPT ); Wed, 2 Mar 2022 04:50:35 -0500 Received: from mout-p-101.mailbox.org (mout-p-101.mailbox.org [80.241.56.151]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5EB94B91EC; Wed, 2 Mar 2022 01:49:52 -0800 (PST) Received: from smtp102.mailbox.org (smtp102.mailbox.org [80.241.60.233]) (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-101.mailbox.org (Postfix) with ESMTPS id 4K7q8t43xWz9sZY; Wed, 2 Mar 2022 10:49:50 +0100 (CET) From: Marcello Sylvester Bauer DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sylv.io; s=MBO0001; t=1646214588; 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=HOOrs5FZNy1pwse55EQtJG6udmnl0Zac5kiBxIC+paM=; b=zZenACr6Xh7+TxZm0J42aixBIRYq/thgiA6G/RAjX5oGxQVr2JSSIUotvbromRhPSC3sT1 d/nF/CDTOGSilbBpQK8W3R96YNMv7FfAx/qnqKmMDn2e9daUPTJHfMjAWrWcXMjZLcDgKq O4jrDluoqug2qj7AhhLmbe0g/YtYoZ+glrv/DEhb+YZgdcDdmRfNkJ8KT42twz8vbEOgHQ CdWt4hjK1iJP8QouLeOtnZPzHw9lhFukaaouYF0ZD4WRWJnIySkU7JZaInlIjFjEPirFvw 7tWKhamauyVrn6xFnTu2+80S3H43yrCr4o5HCBbUACR0P1TIEeOGp3MR1eoGxQ== 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 v4 2/3] hwmon (xdpe12284): Add support for xdpe11280 Date: Wed, 2 Mar 2022 10:49:20 +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 identification and skip the xdpe122 related adaptions in case it is linear. Signed-off-by: Marcello Sylvester Bauer --- Documentation/hwmon/xdpe12284.rst | 12 ++++++++---- drivers/hwmon/pmbus/xdpe12284.c | 21 ++++++++++++++++++--- 2 files changed, 26 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..b979c88d2e87 100644 --- a/drivers/hwmon/pmbus/xdpe12284.c +++ b/drivers/hwmon/pmbus/xdpe12284.c @@ -76,7 +76,22 @@ static int xdpe122_identify(struct i2c_client *client, struct pmbus_driver_info *info) { u8 vout_params; - int i, ret; + int i, ret, vout_mode; + + 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; + return 0; + case 1: + info->format[PSC_VOLTAGE_OUT] = vid; + info->read_word_data = xdpe122_read_word_data; + break; + default: + return -ENODEV; + } + } for (i = 0; i < XDPE122_PAGE_NUM; i++) { /* Read the register with VOUT scaling value.*/ @@ -110,7 +125,6 @@ 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, @@ -124,7 +138,6 @@ static struct pmbus_driver_info xdpe122_info = { 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) @@ -140,6 +153,7 @@ static int xdpe122_probe(struct i2c_client *client) } static const struct i2c_device_id xdpe122_id[] = { + {"xdpe11280", 0}, {"xdpe12254", 0}, {"xdpe12284", 0}, {} @@ -148,6 +162,7 @@ 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"}, {}