From patchwork Wed Jun 8 08:41:13 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: ChiYuan Huang X-Patchwork-Id: 12873095 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 05B15C43334 for ; Wed, 8 Jun 2022 09:19:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233983AbiFHJTk (ORCPT ); Wed, 8 Jun 2022 05:19:40 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48416 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235254AbiFHJTM (ORCPT ); Wed, 8 Jun 2022 05:19:12 -0400 Received: from mail-pj1-x102b.google.com (mail-pj1-x102b.google.com [IPv6:2607:f8b0:4864:20::102b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2EFA32309A4; Wed, 8 Jun 2022 01:41:32 -0700 (PDT) Received: by mail-pj1-x102b.google.com with SMTP id gc3-20020a17090b310300b001e33092c737so17710416pjb.3; Wed, 08 Jun 2022 01:41:32 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=hHkedwJj/HENazSRh10iqNTbeup4cO7vLg1WpgNFr1o=; b=CMXhZZ+2L9gC73xafarc2LyxiVvEakzSUBq1+9q47cddUq/zAMwzRNX0DzccXieEM6 SbhKBkwyktyRoBWWSi2RtFNzEYlXAxq6KlF3G9kTNtxgERdeAbVwhhEQKFn89/Eepo2p gtYyJam0AHJ7ANn6j9GMU/nDaic0NRUDJ+I8utcdMwRx+njSwI/JkGxBKrjYGyisizJ4 3FivjpU1CpbLJHw5AVzjlI/A1HxlvsPIqVp/ik7glq9OB1xvP+OvZYZBTVCsnkhq6VJ3 DsSZltm6S0cBS/57xjZA93F2GAb70eh2TsSqr6npl2nfkzgdmvJ00tbC1eziWv1zMn5s A8BA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=hHkedwJj/HENazSRh10iqNTbeup4cO7vLg1WpgNFr1o=; b=tExnYCLcVc4cY++o0+nJyZuwv/7+2ptyPAX2zy/kSmTgjovP+nK9GJhscyczLqQrTK 7wYIiWTtteeqCLnPBQ8aC7V4e4G2d/Z2We+7IQyZp9/LFPX/MxG7ZtiP2Ui34HbEfkon RGQIktH9N/Qmfs+P3VA3iZhNREgpzTK0ARQfZ2cjUZALUD8sx/FHcDjmU2noAOyBvNNt cJvrXCskD+p1cJgLcwIIXGldZjO60HHOKUh25BB2ODbzFoKKhsW/bN/+wx/iuUtvIcf/ LzvKtXg+KlII41e0gWzua0SAcIBwqbJ/F7j9pzCQmBBpuIJ1VvQ6ug1JMWCkR4tvw6j8 VZwg== X-Gm-Message-State: AOAM532dtw8cCKHz6YLH0EhO66QEsu6rpffwJMIrpZjuqd8e3CGKf7iL zoRJc+2kjJihcYTwezt/0hw= X-Google-Smtp-Source: ABdhPJzxDgIx3QKVftstVQ8aFxJFGsBRl+3Gkgpx8Nyi5EhYtsysbCak+XjtddVMSSZpCxvbNnJnrA== X-Received: by 2002:a17:90b:4c10:b0:1e8:d377:4998 with SMTP id na16-20020a17090b4c1000b001e8d3774998mr6155161pjb.227.1654677691646; Wed, 08 Jun 2022 01:41:31 -0700 (PDT) Received: from localhost.localdomain ([2402:7500:479:837b:38ad:1ae9:1239:b178]) by smtp.gmail.com with ESMTPSA id q4-20020a170902f34400b0015e8d4eb263sm13902217ple.173.2022.06.08.01.41.27 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Wed, 08 Jun 2022 01:41:31 -0700 (PDT) From: cy_huang To: robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, lee.jones@linaro.org, daniel.thompson@linaro.org, jingoohan1@gmail.com Cc: pavel@ucw.cz, deller@gmx.de, cy_huang@richtek.com, lucas_tsai@richtek.com, devicetree@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-fbdev@vger.kernel.org, linux-leds@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 1/2] dt-bindings: backlight: rt4831: Add the new ocp level property Date: Wed, 8 Jun 2022 16:41:13 +0800 Message-Id: <1654677674-15417-2-git-send-email-u0084500@gmail.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1654677674-15417-1-git-send-email-u0084500@gmail.com> References: <1654677674-15417-1-git-send-email-u0084500@gmail.com> Precedence: bulk List-ID: X-Mailing-List: linux-fbdev@vger.kernel.org From: ChiYuan Huang Add 'richtek,bled-ocp-microamp' property to make it chooseable. The wrong backlight ocp level may affect the backlight channel output current smaller than configured. Signed-off-by: ChiYuan Huang --- Since v2: - Change the property name from 'richtek,bled-ocp-sel' to 'richtek,bled-ocp-microamp'. --- .../devicetree/bindings/leds/backlight/richtek,rt4831-backlight.yaml | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/Documentation/devicetree/bindings/leds/backlight/richtek,rt4831-backlight.yaml b/Documentation/devicetree/bindings/leds/backlight/richtek,rt4831-backlight.yaml index e0ac686..0f4beeb 100644 --- a/Documentation/devicetree/bindings/leds/backlight/richtek,rt4831-backlight.yaml +++ b/Documentation/devicetree/bindings/leds/backlight/richtek,rt4831-backlight.yaml @@ -47,6 +47,11 @@ properties: minimum: 0 maximum: 3 + richtek,bled-ocp-microamp: + description: | + Backlight over current protection level, unit in microamp. The current + supported level is 0.9A/1.2A/1.5A/1.8A. + richtek,channel-use: description: | Backlight LED channel to be used.