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 366E7C636D7 for ; Thu, 23 Feb 2023 08:43:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233609AbjBWInn (ORCPT ); Thu, 23 Feb 2023 03:43:43 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41842 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233659AbjBWInh (ORCPT ); Thu, 23 Feb 2023 03:43:37 -0500 Received: from madras.collabora.co.uk (madras.collabora.co.uk [IPv6:2a00:1098:0:82:1000:25:2eeb:e5ab]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5A49E2B29C; Thu, 23 Feb 2023 00:43:30 -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 E638666021FF; Thu, 23 Feb 2023 08:43:28 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1677141809; bh=ULUS8juqT9D663UOmoNu1JrQcrXe/fPV+74I8cFGkeE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=TENpdt+t0Yvr5vcNTBdb6dDKeDJ1cVNmxMmvwatqCMDmgbo25cy72ILeeU5hSW525 UdO1JjXjA6SXeIwMeeD0QrWD6nSWlEAVObTOnXWV50MFnAgpQ/q0ImuichQYL0AXl6 HwVZu2KMUupiqgZlyd3dHBZNOEEA59IfH22ssoGaCtgPFI+Ugdu8Gk6O+pnZdwI+FX o+n6hV6ZvJswdbmOnJah4jmbKB8GEYJDowjmwAHydmPCAbuNstj3lrWozHRyjEk/Sg uS8dQ1apLrWMaquTiI0VriBwMbUI38JCohGXhfYHTNBrzum33KLTDIaPI1Se254LxX k4R3KaPvHXpJQ== 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 , Krzysztof Kozlowski Subject: [PATCH v7 4/4] ASoC: dt-bindings: cirrus,cs35l41: Document CS35l41 shared boost Date: Thu, 23 Feb 2023 08:43:24 +0000 Message-Id: <20230223084324.9076-5-lucas.tanure@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230223084324.9076-1-lucas.tanure@collabora.com> References: <20230223084324.9076-1-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. Based on David Rhodes shared boost patches. Signed-off-by: Lucas Tanure Acked-by: Krzysztof Kozlowski --- .../devicetree/bindings/sound/cirrus,cs35l41.yaml | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/sound/cirrus,cs35l41.yaml b/Documentation/devicetree/bindings/sound/cirrus,cs35l41.yaml index 18fb471aa891..14dea1feefc5 100644 --- a/Documentation/devicetree/bindings/sound/cirrus,cs35l41.yaml +++ b/Documentation/devicetree/bindings/sound/cirrus,cs35l41.yaml @@ -85,11 +85,19 @@ 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 active amplifier controls the boost + circuit using combined data from both amplifiers. 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 = Shared Boost Active + 3 = Shared Boost Passive $ref: /schemas/types.yaml#/definitions/uint32 minimum: 0 - maximum: 1 + maximum: 3 cirrus,gpio1-polarity-invert: description: -- 2.39.2