From patchwork Tue Mar 28 07:48:09 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Herve Codina X-Patchwork-Id: 13190639 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 alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 1EA9AC76196 for ; Tue, 28 Mar 2023 07:50:40 +0000 (UTC) Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id 1CD01823; Tue, 28 Mar 2023 09:49:48 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 1CD01823 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1679989838; bh=uUKRZ5vrbfI7AenIyrbq/M6Dl0N7T13+iFo/fBFIQ3s=; h=To:Subject:Date:In-Reply-To:References:List-Id:List-Archive: List-Help:List-Owner:List-Post:List-Subscribe:List-Unsubscribe: From:Reply-To:Cc:From; b=TA/w0gEPKJ5lWlqbb3XLJL7UJsTbUVSJ+ERHx6E5QS6DSxN9pSMJfpLjWgTQkWksw AfFxYXrQtkpD3o/Cf377h1d0XTNRjvNBFb8bSyvCTGsYI0aQSOjfILme3vvCkIXC/1 +SRrXq5n9qycJAq+lIc1pP4oowwoKRdz2PSHUN4A= Received: from mailman-core.alsa-project.org (mailman-core.alsa-project.org [10.254.200.10]) by alsa1.perex.cz (Postfix) with ESMTP id 8393BF80290; Tue, 28 Mar 2023 09:49:47 +0200 (CEST) To: Herve Codina , Lee Jones , Rob Herring , Krzysztof Kozlowski , Liam Girdwood , Mark Brown , Jaroslav Kysela , Takashi Iwai Subject: [PATCH v4 3/5] Documentation: sysfs: Document the Lantiq PEF2256 sysfs entry Date: Tue, 28 Mar 2023 09:48:09 +0200 In-Reply-To: <20230328074811.594361-1-herve.codina@bootlin.com> References: <20230328074811.594361-1-herve.codina@bootlin.com> X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; header-match-alsa-devel.alsa-project.org-0; header-match-alsa-devel.alsa-project.org-1; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header X-Mailman-Version: 3.3.8 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-ID: <167998978673.26.4493563233577594419@mailman-core.alsa-project.org> X-Patchwork-Original-From: Herve Codina via Alsa-devel From: Herve Codina Reply-To: Herve Codina Cc: linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, alsa-devel@alsa-project.org, Christophe Leroy , Thomas Petazzoni Content-Disposition: inline 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.