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[2620:137:e000::1:20]) by mx.google.com with ESMTP id z1-20020a50cd01000000b0044ee4ec8915si2430702edi.39.2022.11.11.09.35.04; Fri, 11 Nov 2022 09:35:28 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20210112 header.b=okYUdMdV; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234059AbiKKReU (ORCPT + 99 others); Fri, 11 Nov 2022 12:34:20 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36712 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234020AbiKKReS (ORCPT ); Fri, 11 Nov 2022 12:34:18 -0500 Received: from mail-ej1-x629.google.com (mail-ej1-x629.google.com [IPv6:2a00:1450:4864:20::629]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CF1E263B8F; Fri, 11 Nov 2022 09:34:12 -0800 (PST) Received: by mail-ej1-x629.google.com with SMTP id q9so14247805ejd.0; Fri, 11 Nov 2022 09:34:12 -0800 (PST) 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=Sg8vUQYLH6qQ6hP1k9ymeq/CLq0kgDdouy7o+4KV0LE=; b=okYUdMdVBuwxBAttFPyzw69Cgqhkovk4+Z4IVbjdXXvMv28xzhzA/StwrHhm6K7bAv Cuemha8ynrBIhFj5RttItckgrC15GyYilDzdBZhgiN+Q4W9P0Hdg7K8yxS3mU7sL8C9x Y5rUcO3ZspB8WIduNB9eSgOBzxSiIJeKnqh8Gla1J7PhW7sy/AZezpAKZwTQcgzh/ytv beycgcAqNTxNe6Av+jK5MkU4CPKz/sPcXHPYNvrvr0DHz1LLCAVKY/Xe/9tBJI8Ofiq4 nma2+503ShQ6I7uw1Ax5arHEY60qE2e0bnVJP2Djl12H7sFlhcGEsX9ZPZIBo0LpH58Z ckyA== 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=Sg8vUQYLH6qQ6hP1k9ymeq/CLq0kgDdouy7o+4KV0LE=; b=kSQg8kgbssSHXyweETB6NYNBzs8ccpx5EuMG8oROr6yRmoieYbJPdJzdaRT/V2aDPI ch8yYeWAZFndJMxjm/pG/2TVJc8pWP3AA83BuZWiv/lVVCq0jw7J8YRlRxn5dnNKe0u8 w0T9tS+8z0gMD0vX09k4c+dq57ISnRxYHiqIS1bWFrvBwIDSH8TD+y1M1pkG1eZ6SCcl O+7Ve7AipakdomqO5X8oOYIBB8hnjXn+yTgRKraRKfFS253gV24YLD7TWPFHngFTbvYv oer2pYO9E0QxFdcIsD/ES7a5g5fwmm+V13zb15D3hkLqqSfdRBScIRD283eWJC4uO1AT Lyag== X-Gm-Message-State: ANoB5pmhz/LyANQUllJwPJM9QbWnvJZ2Bb7roTTTD/K7dBpr7/F08fLv kbiPVjPnoodTvtbkRIA8Iy4= X-Received: by 2002:a17:906:c18b:b0:789:d2fc:41d1 with SMTP id g11-20020a170906c18b00b00789d2fc41d1mr2642401ejz.642.1668188051450; Fri, 11 Nov 2022 09:34:11 -0800 (PST) Received: from localhost ([85.153.204.139]) by smtp.gmail.com with UTF8SMTPSA id b19-20020a056402139300b004637489cf08sm1293119edv.88.2022.11.11.09.34.09 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 11 Nov 2022 09:34:10 -0800 (PST) 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 , Krzyszstof Kozlowski Subject: [PATCH v3 1/4] dt-bindings: pwm: Add Apple PWM controller Date: Fri, 11 Nov 2022 20:33:45 +0300 Message-Id: <20221111173348.6537-2-fnkl.kernel@gmail.com> X-Mailer: git-send-email 2.24.3 (Apple Git-128) In-Reply-To: <20221111173348.6537-1-fnkl.kernel@gmail.com> References: <20221111173348.6537-1-fnkl.kernel@gmail.com> MIME-Version: 1.0 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM, RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1749222034471428169?= X-GMAIL-MSGID: =?utf-8?q?1749222034471428169?= 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: Krzyszstof Kozlowski Acked-by: Sven Peter --- .../bindings/pwm/apple,s5l-fpwm.yaml | 51 +++++++++++++++++++ 1 file changed, 51 insertions(+) create mode 100644 Documentation/devicetree/bindings/pwm/apple,s5l-fpwm.yaml diff --git a/Documentation/devicetree/bindings/pwm/apple,s5l-fpwm.yaml b/Documentation/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 = "apple,t8103-fpwm", "apple,s5l-fpwm"; + reg = <0x35044000 0x4000>; + power-domains = <&ps_fpwm1>; + clocks = <&clkref>; + #pwm-cells = <2>; + };