From patchwork Mon Apr 17 17:15:58 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Herve Codina X-Patchwork-Id: 674751 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 AA8BEC77B76 for ; Mon, 17 Apr 2023 17:16:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230199AbjDQRQb (ORCPT ); Mon, 17 Apr 2023 13:16:31 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45092 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230202AbjDQRQU (ORCPT ); Mon, 17 Apr 2023 13:16:20 -0400 Received: from relay6-d.mail.gandi.net (relay6-d.mail.gandi.net [217.70.183.198]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4D9498A76; Mon, 17 Apr 2023 10:16:16 -0700 (PDT) Received: (Authenticated sender: herve.codina@bootlin.com) by mail.gandi.net (Postfix) with ESMTPA id CF345C000D; Mon, 17 Apr 2023 17:16:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1681751774; 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=WgtyNlwake9jC3kdVaiD7wG6scKDgEVUEzEHdezm6peRv+hoCBmQ4wWCyb88fuC1D7ARc2 444nG8y5ySkvrHt6aOw+bX0HOGb75MYlCUBdbruNK76HqQNP9jbsj6nwnKsRggNjpu6odA A+EBPmnH6c8LZOZDGG9W0UaiOuucN5uq0VPI2yqA59zrcbB8AS+KruNzR1w9yrHOmuwI2G HXBnudqA5CY2oP7e7+3N+/0D0z43+4FKIX3Z4m+AnDz1Qg4jQSuBgEh2dq9/pCMXg5Qtic UcUmUiRRCGKMmR4n9qjzHqw6knfnJ2EiYXiSiVmbtjxXn4MbAm2xFI8moUXogg== 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 v6 4/7] Documentation: sysfs: Document the Lantiq PEF2256 sysfs entry Date: Mon, 17 Apr 2023 19:15:58 +0200 Message-Id: <20230417171601.74656-5-herve.codina@bootlin.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230417171601.74656-1-herve.codina@bootlin.com> References: <20230417171601.74656-1-herve.codina@bootlin.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org 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.