From patchwork Sat Jan 14 13:25:04 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sasha Finkelstein X-Patchwork-Id: 643002 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 B8D64C46467 for ; Sat, 14 Jan 2023 13:26:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229943AbjANN06 (ORCPT ); Sat, 14 Jan 2023 08:26:58 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43584 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230002AbjANN0w (ORCPT ); Sat, 14 Jan 2023 08:26:52 -0500 Received: from mail-wm1-x32a.google.com (mail-wm1-x32a.google.com [IPv6:2a00:1450:4864:20::32a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6941C9036; Sat, 14 Jan 2023 05:26:47 -0800 (PST) Received: by mail-wm1-x32a.google.com with SMTP id bg13-20020a05600c3c8d00b003d9712b29d2so20491493wmb.2; Sat, 14 Jan 2023 05:26:47 -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=6k6iH6ye4eNPwympT1HKSV19Z/5AZl0oVvTiapSuckY=; b=LGJyVHoh7bFUcgHskMeiLfEebpwxP7jpmgJ2QOGPbwzKSPfWG88fc+eATSK+XMQdpH dl29IWyidRKX850QEHlEY9AjAVUJs6N9elD+IO36UMh0CgAFzFjFZsneML17Y6r8d5Uo 486v15sjYIMPdBg8OIe7stsWi3cTazN5yxuSH6EhvKMhTEQIl4T7L5Mr4r1XPcVJVjt6 geW5JjgujZPAqP0V0PumeOiPPuMMZ21Ftt+254U95MHyERyJxZ4RAnHCr9OL+qC7jRNs 4Jw/DNgDxVrANr37/24gOXGzeiGqSMX9ApakFkaD6d8XliFOT1xkzqUXw68BXhQRGZ9a HSbQ== 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=6k6iH6ye4eNPwympT1HKSV19Z/5AZl0oVvTiapSuckY=; b=hqbOz7LftvC7vsBmfnwbL4/7CyliuRqX/FSI02n2BP2Gd5D0ImHGX+re71tUkTAb0S A2/yxsxSZPVT5t1MiiblqQhfdD8tXBkbFDu9EexGxcGVpA+Rh4SEl6all1BXjZsk8uen +epNWTVraCTDx4UrLvuHiyT8kfbWQTd8/HvlIoVUTCH9DpT7EUE/XiaRjFWprx/13fcQ 6cbktilLstFh9DpJdH/zMk2lrQHGJLxa2gG7Q7wI22bGXQ0/uXpc8+sO0uXSHb1LU2p8 afivOdwI8MPlss1vPTo0Q0rCksynBsOFRWtW8ysibYMYhVEbwOE+MRP+aDT++J5lyo7j zg/g== X-Gm-Message-State: AFqh2koOcsUhnmxVsvrWvoMTkssa1EGxG4M8AWLauWkUVHgZn3dLsXnJ OhWqEn3asEoRGauiKsa1JFA= X-Google-Smtp-Source: AMrXdXv2ygbzN0IqAO7jz1qfWtxdayFzAWT2QW9B4EUCVZZiRwTBzJY+EvkyQ1u9vF19laIqorIQHw== X-Received: by 2002:a05:600c:4e02:b0:3d3:5c21:dd94 with SMTP id b2-20020a05600c4e0200b003d35c21dd94mr2715473wmq.9.1673702805919; Sat, 14 Jan 2023 05:26:45 -0800 (PST) Received: from localhost ([176.234.9.57]) by smtp.gmail.com with UTF8SMTPSA id u2-20020a05600c210200b003d98f92692fsm6221455wml.17.2023.01.14.05.26.44 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sat, 14 Jan 2023 05:26:45 -0800 (PST) From: Sasha Finkelstein To: u.kleine-koenig@pengutronix.de, 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 , Krzysztof Kozlowski Subject: [PATCH v7 1/5] dt-bindings: pwm: Add Apple PWM controller Date: Sat, 14 Jan 2023 16:25:04 +0300 Message-Id: <20230114132508.96600-2-fnkl.kernel@gmail.com> X-Mailer: git-send-email 2.37.1 (Apple Git-137.1) In-Reply-To: <20230114132508.96600-1-fnkl.kernel@gmail.com> References: <20230114132508.96600-1-fnkl.kernel@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org 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 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>; + };