From patchwork Tue Jun 21 10:36:27 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: ChiYuan Huang X-Patchwork-Id: 12889002 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 89E16C433EF for ; Tue, 21 Jun 2022 10:36:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231279AbiFUKgz (ORCPT ); Tue, 21 Jun 2022 06:36:55 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36214 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1348138AbiFUKgm (ORCPT ); Tue, 21 Jun 2022 06:36:42 -0400 Received: from mail-pj1-x1029.google.com (mail-pj1-x1029.google.com [IPv6:2607:f8b0:4864:20::1029]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2874028E14; Tue, 21 Jun 2022 03:36:41 -0700 (PDT) Received: by mail-pj1-x1029.google.com with SMTP id h34-20020a17090a29a500b001eb01527d9eso12086127pjd.3; Tue, 21 Jun 2022 03:36:41 -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=D/Eqnjqmnl12dSFxUrRjFlGQ54ZKMERMuKCuM1+6plU=; b=esJE5Cs8hxQTCMjqmhUfTurNyYXyH5qffkShag2sqyUzZJpiCQbbmxf917Iufe65XX eCth9pwsuHVyTXhutbGdZXeTMKZFqBSZ8xn4E3ooMLF4A0a5fPy6u82/xeA+QS/LWFEs L2Vva8Iqn66NoGTPpO7/ytEhQK68ckVHF0JEl7pFnq2rJ3te4zxMirS3/juuvhv6To9E j/fpGbpYiozPDEpgaVk3PTBeXZTR54ufr2SwY1n8o7ygPxwW5j17rb9qlZIpNg4Rk4+X b9tY/MK6YVgfKV05db5WwKLNmQBE9MgOB0QmGI4F8FfNfIz7gEQFdTvz7C/rpVbJpY7/ g0qQ== 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=D/Eqnjqmnl12dSFxUrRjFlGQ54ZKMERMuKCuM1+6plU=; b=m0z1G7qnj5sgy1IeBQQfVs0NqYMyzL9iF3ShfQNKoWx4P2bxMYdPzMmvJmcRgwJ7zd hNPHfkHRb/hD5g2+f+g8dR/Ou0oNam40xXdFHvCLMPM7W1xMitJ4bAXMFXsP3eoqnSSx hulz3ggnttfKtXLrWiQGGApljMblLFb/ueCUyWGl4r3/36yMxkNmNq64k43C/KadXkAh 6Wib10MuoH/5UPy3JQzHa1vI5Mzr29CeWy5o5wLVuihjRbttHze+hZOqymxHbwM8vdAL QEIb1vPCES2oL/fxu9kycokv2G4rVLM9mWa0ErHQIqeH6d1hIBS46Ge4dTeHbMQm4J4x g7HQ== X-Gm-Message-State: AJIora99OiO80Lgc9GshKf13WKfjUKI/JZIOxG0ByHA4Em1NEpUr9m7j l7e9hdILAOcMVGPc6WVPssc= X-Google-Smtp-Source: AGRyM1sEEDKgvokbKyArv3aS8MDcv/zXvb23OlGn2uUZ3vo0e/I5E/JjSAqVa9aEWi1MCin4gOlNYQ== X-Received: by 2002:a17:903:2308:b0:16a:666:8ec2 with SMTP id d8-20020a170903230800b0016a06668ec2mr21368451plh.20.1655807800571; Tue, 21 Jun 2022 03:36:40 -0700 (PDT) Received: from localhost.localdomain ([2402:7500:569:c428:5499:b787:9:3bde]) by smtp.gmail.com with ESMTPSA id o188-20020a625ac5000000b0050dc762819bsm36295pfb.117.2022.06.21.03.36.37 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Tue, 21 Jun 2022 03:36:40 -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 v4 1/2] dt-bindings: backlight: rt4831: Add the new ocp level property Date: Tue, 21 Jun 2022 18:36:27 +0800 Message-Id: <1655807788-24511-2-git-send-email-u0084500@gmail.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1655807788-24511-1-git-send-email-u0084500@gmail.com> References: <1655807788-24511-1-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 Reviewed-by: Daniel Thompson Reviewed-by: Krzysztof Kozlowski --- Since v3: - Refine the description for backlight ocp property. - Use the enum to list the supported value. 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..99e9e13 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. + enum: [900000, 1200000, 1500000, 1800000] + richtek,channel-use: description: | Backlight LED channel to be used.