From nobody Thu Apr 9 07:45:27 2026 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 94551C4332F for ; Wed, 2 Nov 2022 14:17:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231376AbiKBOR3 (ORCPT ); Wed, 2 Nov 2022 10:17:29 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42026 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231362AbiKBORW (ORCPT ); Wed, 2 Nov 2022 10:17:22 -0400 Received: from mail-ej1-x62a.google.com (mail-ej1-x62a.google.com [IPv6:2a00:1450:4864:20::62a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 374C327B32; Wed, 2 Nov 2022 07:17:17 -0700 (PDT) Received: by mail-ej1-x62a.google.com with SMTP id f5so24140957ejc.5; Wed, 02 Nov 2022 07:17:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=n7CAwgjrcSml/6VQVIiI+9hkAxXqxl9dmDVlzl2TbqA=; b=SvQifMPCv1Zm0tJtlh2KK7iWUt24xlxNLrAzzdv8DycRnNF02wjy5ji/02ySYAXmug f7OirZXhksnHBFG0Z3HcTZ8/xJhGwMF1zoUVUr1VxOVRRBVQVgWJaIwri+981L7/yu8e puIxwx0/ECDmMhS2ucLQ7uWfX6ikOYbynh+9cLQif9P/Kf9Kv0aZJRfxWKAh9DqWWfZO o8GWHaZcL8e66mMIBjRVrcFl7aIRhdBBhIKT3CmcqP3Y5XVEcCyNrp6Oaq4nrefewpPt oNVgm9khl3cEHV554cJzdY++s/gHoi8XfkZSjhxL+fC4RijkX5cs7TsRKXX2FNn7zSIR DnhQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=n7CAwgjrcSml/6VQVIiI+9hkAxXqxl9dmDVlzl2TbqA=; b=pyhQ1A1wtSqp0KYvPruAa7vs2yoUlpROfFUtMRihAsBBgNUtZGAbaPjVax9IGpiU2X n66rQstsdG9bhZ0AHvEAQib1lMQhQ/pw1ctcy5JEQQYwlr3Q2ESfR+07Hf/8eWbtWo3F iTQXUveM6peem/hF9PyBskjC6ZbpR4+LcMXQzJml3HqW3z1OkDCPEbBiocfcfE+x96bk Xl8w1kAv8w0FawpYzPH3oZ652BsprMUAm486c3M3QplSNzqU8ZW+d1+CUAJb07Z9RIvM q1B9K3HK8INF60wh4gDOuZ11leVqR1yH57a+z5Q/YGs6jxiQkGEtNNd92VI3140tQ4OL 13/Q== X-Gm-Message-State: ACrzQf3kyFtGrBdRY226o05mIX+s6E97iyeeN0dWyUYmER6g8IbDT4wC n3Z/Hbn98V6Fa81DmtPAjX0= X-Google-Smtp-Source: AMsMyM4g0AgIlCivZHS7wYdviV9ZCChUaGRcHHJAMTYqQFtz7k2phHjMitGG8OdmE4/ZJHVSr6DDEg== X-Received: by 2002:a17:906:ee81:b0:77e:829a:76e9 with SMTP id wt1-20020a170906ee8100b0077e829a76e9mr24569110ejb.207.1667398635831; Wed, 02 Nov 2022 07:17:15 -0700 (PDT) Received: from localhost ([88.227.60.86]) by smtp.gmail.com with UTF8SMTPSA id k8-20020a17090632c800b0073d81b0882asm5412397ejk.7.2022.11.02.07.17.14 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 02 Nov 2022 07:17:15 -0700 (PDT) From: Sasha Finkelstein To: thierry.reding@gmail.com, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org Cc: marcan@marcan.st, sven@svenpeter.dev, alyssa@rosenzweig.io, asahi@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-pwm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Sasha Finkelstein Subject: [PATCH v2 1/4] dt-bindings: pwm: Add Apple PWM controller Date: Wed, 2 Nov 2022 17:15:10 +0300 Message-Id: <20221102141513.49289-2-fnkl.kernel@gmail.com> X-Mailer: git-send-email 2.24.3 (Apple Git-128) In-Reply-To: <20221102141513.49289-1-fnkl.kernel@gmail.com> References: <20221102141513.49289-1-fnkl.kernel@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Apple SoCs such as the M1 contain a PWM controller used among other things to control the keyboard backlight. Signed-off-by: Sasha Finkelstein Reviewed-by: Krzysztof Kozlowski --- .../bindings/pwm/apple,s5l-fpwm.yaml | 51 +++++++++++++++++++ 1 file changed, 51 insertions(+) create mode 100644 Documentation/devicetree/bindings/pwm/apple,s5l-fpwm.ya= ml diff --git a/Documentation/devicetree/bindings/pwm/apple,s5l-fpwm.yaml b/Do= cumentation/devicetree/bindings/pwm/apple,s5l-fpwm.yaml new file mode 100644 index 000000000000..142157bff0cd --- /dev/null +++ b/Documentation/devicetree/bindings/pwm/apple,s5l-fpwm.yaml @@ -0,0 +1,51 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/pwm/apple,s5l-fpwm.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Apple FPWM controller + +maintainers: + - asahi@lists.linux.dev + - Sasha Finkelstein + +description: PWM controller used for keyboard backlight on ARM Macs + +properties: + compatible: + items: + - enum: + - apple,t8103-fpwm + - apple,t6000-fpwm + - apple,t8112-fpwm + - const: apple,s5l-fpwm + + reg: + maxItems: 1 + + clocks: + maxItems: 1 + + power-domains: + maxItems: 1 + + "#pwm-cells": + const: 2 + +required: + - compatible + - reg + - clocks + +additionalProperties: false + +examples: + - | + pwm@235044000 { + compatible =3D "apple,t8103-fpwm", "apple,s5l-fpwm"; + reg =3D <0x35044000 0x4000>; + power-domains =3D <&ps_fpwm1>; + clocks =3D <&clkref>; + #pwm-cells =3D <2>; + }; --=20 2.37.3