From patchwork Tue Mar 28 09:26:43 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Herve Codina X-Patchwork-Id: 75925 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a59:b0ea:0:b0:3b6:4342:cba0 with SMTP id b10csp2080376vqo; Tue, 28 Mar 2023 02:27:45 -0700 (PDT) X-Google-Smtp-Source: AKy350Y29lHepfFlR8Qt+0IxOmIxR/yjVdoN8SLj6hH9TEM8j6tFRtM232Hg270plt/3s6IssQJf X-Received: by 2002:a17:90b:4f4b:b0:234:b8cb:512b with SMTP id pj11-20020a17090b4f4b00b00234b8cb512bmr16540230pjb.30.1679995665157; Tue, 28 Mar 2023 02:27:45 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1679995665; cv=none; d=google.com; s=arc-20160816; b=VivuChtg2HTQcg2oqeqYmRPt0NGQ/n/YChO2ERwqxcpu2tN8jqD6rTVcIGko/q8oQM loUiecL/r2RlXJTzspDijHjV03dAX9ui6TV6a9bfa7uaT5RgpYrz7LIbZgUWNVZaMW1S hTJjquibJlyOF03OeEai7ad/A50Yjx1wC0+2VKNKk/mhEjxQudNUfqq2a27C02v8z9b+ DQHbhhcNFwe6wbOC7VdkRGchp7isrw4TjQVIAtGt8cshxMRWXm5cyUpSNS4TQHCmQhem Mfz7Jrvpy/lFfLfjxRi+LFiW64xAftSrt6NzLZNpTFr5v2MWCpEy6AQV2oSjgS3GK98d ZwNw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=ljp6n86BBDdKFokTOsmxWo1ozVvBJ/tB3FyqHD6++5I=; b=fNFVTt7/ZDOLCeAZMhxkbW6glUSNB7kOPsEN9UJpA1c2pIgJhW38RIyeKJ6akM9O5t 1oIPjM8dE72kpF8zrN5NIa2UAVVZiJOp6qFG0Iqbi/fIo553uTs6ovvHp9LMbC2C7Skk ga87tVH3xu5P6mXcz3nnwhFu1J2wlEyquaohQ+MKevpyD1OILkzq42WAk53oI85MQFWM iapHFxGYWBX2/MdNoSIe7NpzKrX3ynEbE55EZWrQZJmc/EcPMGdqsp4UEsOauwF6aP14 MwOkBLlnqdwc43jQ97ciHqOYBxkReDP1Cqq8B7lhWI7FaH21dmN77XWbolpd2l1YP16a ZFmA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@bootlin.com header.s=gm1 header.b="MMe/U0mB"; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=bootlin.com Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id h11-20020a17090acf0b00b002406d55224fsi6513495pju.178.2023.03.28.02.27.33; Tue, 28 Mar 2023 02:27:45 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@bootlin.com header.s=gm1 header.b="MMe/U0mB"; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=bootlin.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232400AbjC1J1E (ORCPT + 99 others); Tue, 28 Mar 2023 05:27:04 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56828 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231435AbjC1J07 (ORCPT ); Tue, 28 Mar 2023 05:26:59 -0400 Received: from relay8-d.mail.gandi.net (relay8-d.mail.gandi.net [217.70.183.201]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 84F375FC6; Tue, 28 Mar 2023 02:26:58 -0700 (PDT) Received: (Authenticated sender: herve.codina@bootlin.com) by mail.gandi.net (Postfix) with ESMTPA id 090561BF209; Tue, 28 Mar 2023 09:26:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1679995617; 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=ljp6n86BBDdKFokTOsmxWo1ozVvBJ/tB3FyqHD6++5I=; b=MMe/U0mBt/OXx51JoieXSTGNsCN5fWAzM855VuqKQmzt//FwMUXVjMVMtVzu98EblOGcgf M5DG7qWloq4dQCs0iYd8rs0ad1QXYmR498DSFphLPMzb1POFTjqAvdsXzJ5l4qhAJwyke3 Tp1Yt0e8cdJ9pBdhjqlN4KVdkO7fs8J/iwfbnTERf8+CAiF2PqSkz+aT+fOZ0Eazt7YN5f KYq1Yht7GaBCrCm1DuG8a0hqqVaOE9v1mtK/E+1XJkfv+YVIdrp5Drq44R6BwHLdHsNiM2 TQg9MTdR9QkujKp6x58NDktIXG+UN5qO9HkCmFMAmx6WTyjnbVmGJHhO2l/idg== From: Herve Codina To: Herve Codina , Lee Jones , Rob Herring , Krzysztof Kozlowski , Liam Girdwood , Mark Brown , Jaroslav Kysela , Takashi Iwai Cc: linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, alsa-devel@alsa-project.org, Christophe Leroy , Thomas Petazzoni Subject: [PATCH v5 3/5] Documentation: sysfs: Document the Lantiq PEF2256 sysfs entry Date: Tue, 28 Mar 2023 11:26:43 +0200 Message-Id: <20230328092645.634375-4-herve.codina@bootlin.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230328092645.634375-1-herve.codina@bootlin.com> References: <20230328092645.634375-1-herve.codina@bootlin.com> MIME-Version: 1.0 X-Spam-Status: No, score=-0.9 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_LOW,RCVD_IN_MSPIKE_H2, SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1761603134419442960?= X-GMAIL-MSGID: =?utf-8?q?1761603134419442960?= Document the "subordinate" sysfs attribute exposed by the PEF2256 driver. Signed-off-by: Herve Codina --- .../ABI/testing/sysfs-bus-platform-devices-pef2256 | 12 ++++++++++++ 1 file changed, 12 insertions(+) create mode 100644 Documentation/ABI/testing/sysfs-bus-platform-devices-pef2256 diff --git a/Documentation/ABI/testing/sysfs-bus-platform-devices-pef2256 b/Documentation/ABI/testing/sysfs-bus-platform-devices-pef2256 new file mode 100644 index 000000000000..95ba1ae55daf --- /dev/null +++ b/Documentation/ABI/testing/sysfs-bus-platform-devices-pef2256 @@ -0,0 +1,12 @@ +What: /sys/bus/platform/devices/*.pef2256/subordinate +KernelVersion: 6.4 +Contact: Herve Codina +Description: + (RW) Controls whether the PEF2256 works as subordinate or main + device mode. + + - 0: main device mode + - 1: subordinate mode + + In subordinate device mode it synchronizes on line interface + clock signals. Otherwise, it synchronizes on internal clocks.