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 BC14DC636CC for ; Tue, 7 Feb 2023 10:41:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231305AbjBGKlN (ORCPT ); Tue, 7 Feb 2023 05:41:13 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41962 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230136AbjBGKlL (ORCPT ); Tue, 7 Feb 2023 05:41:11 -0500 Received: from madras.collabora.co.uk (madras.collabora.co.uk [46.235.227.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A7F7E39BBA; Tue, 7 Feb 2023 02:40:47 -0800 (PST) Received: from cryzen.lan (cpc87451-finc19-2-0-cust61.4-2.cable.virginm.net [82.11.51.62]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: tanureal) by madras.collabora.co.uk (Postfix) with ESMTPSA id C24F46602080; Tue, 7 Feb 2023 10:40:25 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1675766426; bh=hMEMoALTmMUKDzt9qXEgyWad1E4O22jKJqfTCNt9GiU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=fS129LsSF9LhjwsuTaJVg29q6MBDS8YfW9YKhyf3rmaJ4hiuDJDpGVcSgaJQcdEsF 94CL7p+HIJy5oJ8+34bSmVHMIlfkVDlWSBjpWh+i+V0F+75xX3s7seWX/hrRW5KhcR XIX0Z0+gDPDLlE3ry4n1vDJOf7F28hI3rP/3AzjR+D3peBqS7VY2n4V05vRxKHzO6U 5UJpRFVM1gTLct/Yxe5SJz5ayIO1QDy9bX2GqQHKRLMn1LcxiiLsiT2JlfQIhWnkI1 CQJCZZA5fdcpTfoITX9Xx+pUujXawGK7AobL5UqM8/2RR+z1zUI7gom9QUB74OtV8r L+q6KBQd16+6w== From: Lucas Tanure To: David Rhodes , Charles Keepax , Liam Girdwood , Krzysztof Kozlowski , Mark Brown , Rob Herring , Jaroslav Kysela , Takashi Iwai Cc: alsa-devel@alsa-project.org, devicetree@vger.kernel.org, patches@opensource.cirrus.com, linux-kernel@vger.kernel.org, kernel@collabora.com, Lucas Tanure Subject: [PATCH 2/2] Documentation: cs35l41: Shared boost properties Date: Tue, 7 Feb 2023 10:40:21 +0000 Message-Id: <20230207104021.2842-3-lucas.tanure@collabora.com> X-Mailer: git-send-email 2.39.1 In-Reply-To: <20230207104021.2842-1-lucas.tanure@collabora.com> References: <20230207104021.2842-1-lucas.tanure@collabora.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Describe the properties used for shared boost configuration. Signed-off-by: Lucas Tanure --- .../devicetree/bindings/sound/cirrus,cs35l41.yaml | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/sound/cirrus,cs35l41.yaml b/Documentation/devicetree/bindings/sound/cirrus,cs35l41.yaml index 18fb471aa891..6f5f01bec6f1 100644 --- a/Documentation/devicetree/bindings/sound/cirrus,cs35l41.yaml +++ b/Documentation/devicetree/bindings/sound/cirrus,cs35l41.yaml @@ -85,11 +85,20 @@ properties: boost-cap-microfarad. External Boost must have GPIO1 as GPIO output. GPIO1 will be set high to enable boost voltage. + Shared boost allows two amplifiers to share a single boost circuit by + communicating on the MDSYNC bus. The passive amplifier does not control + the boost and receives data from the active amplifier. GPIO1 should be + configured for Sync when shared boost is used. Shared boost is not + compatible with External boost. Active amplifier requires + boost-peak-milliamp, boost-ind-nanohenry and boost-cap-microfarad. 0 = Internal Boost 1 = External Boost + 2 = Reserved + 3 = Shared Boost Active + 4 = Shared Boost Passive $ref: /schemas/types.yaml#/definitions/uint32 minimum: 0 - maximum: 1 + maximum: 4 cirrus,gpio1-polarity-invert: description: -- 2.39.1