From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-ed1-f43.google.com (mail-ed1-f43.google.com [209.85.208.43]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4694D2916 for ; Fri, 28 Oct 2022 16:53:31 +0000 (UTC) Received: by mail-ed1-f43.google.com with SMTP id 21so8740101edv.3 for ; Fri, 28 Oct 2022 09:53:31 -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=C33seGVoVdC4qa6odCGMM1UoRMAEyPpQFpcRe9CmJUc=; b=ovzgyGUxkoVOneqlKtvwiYv658V+dDonx3OJ+SBev41qlLDg1NpzyH+GqBCCnE5/wv adSab9LjklbHjXr2q9nMNuRdXkNXuB2fnFCTEWPh+xrJVTgfyXf3s8qbhbhrf373AULi dnpRsp+VcGt8w0RhxPNVBx/ZjfqOBxgbXFuABBSweMNzZmHg5YBRtx4Rj+ozu4bJhiI3 B1X9dmEuc1tqAar4mMczvCBeEQ4W/aQx2njMj4QB2SodIrSm7s9C6wtJ22KYRAtH/4Jk VHPMotD+KziMDnWeFqOY3ADQhN5TcxjbT712+cPKrZ1c0PujS0Yj8VgRasDErFjMrXCv PBpQ== 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=C33seGVoVdC4qa6odCGMM1UoRMAEyPpQFpcRe9CmJUc=; b=rZSrH7dmn0d+wxcLwwsN/I8bS4NUcTc9zL3zc/bXeVIY2WhYoyoys2KiBkguCDEZBb zuU5Z7L8UYWY555fT06yuWjxe37Awj2Mm+vz2fCpvujzy9KvOb6eUqBhdQP125HSCBaq sZg+DEozs4aVxu7V8Ae08aq2952uxot2OFZSnAFG96D+3onZ89BvQBzTTV6uHq+EjbHV IjaM8X41p6zhwpRuBc8rGyWZcJIjDH3vSkWXT7Sn6Evd/y9nHQ7UF0Ya6EMWhstE2U/n PFiFyDrIkbLwPZJDbHwhs1cPbA6wrU8tyAAzT79j5NFCThMLGe+S+rEPQRk6f8bk0X7A pQNA== X-Gm-Message-State: ACrzQf3KE0Uxcsu/DhJRoBk4MyMC8sZQTiY4IZWrVnJSOho6qUYmiNI8 TFHYh63/SVPNRYYBjAXrmVc= X-Google-Smtp-Source: AMsMyM7qjQeg/XqtG5uytmvtDH96ok5pg9w6JiGjPO1p1bwA9dri1+cSZQDgCvElbmA68t7nLMDJIg== X-Received: by 2002:a05:6402:5ca:b0:43b:6e01:482c with SMTP id n10-20020a05640205ca00b0043b6e01482cmr340391edx.189.1666976009647; Fri, 28 Oct 2022 09:53:29 -0700 (PDT) Received: from localhost ([88.227.58.131]) by smtp.gmail.com with UTF8SMTPSA id j22-20020a170906411600b0073d638a7a89sm2411522ejk.99.2022.10.28.09.53.28 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 28 Oct 2022 09:53:29 -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 1/4] dt-bindings: pwm: Add Apple PWM controller Date: Fri, 28 Oct 2022 19:52:13 +0300 Message-Id: <20221028165215.43662-2-fnkl.kernel@gmail.com> X-Mailer: git-send-email 2.24.3 (Apple Git-128) In-Reply-To: <20221028165215.43662-1-fnkl.kernel@gmail.com> References: <20221028165215.43662-1-fnkl.kernel@gmail.com> Precedence: bulk X-Mailing-List: asahi@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Apple SoCs such as the M1 contain a PWM controller used among other things to control the keyboard backlight. Signed-off-by: Sasha Finkelstein --- .../devicetree/bindings/pwm/pwm-apple.yaml | 51 +++++++++++++++++++ 1 file changed, 51 insertions(+) create mode 100644 Documentation/devicetree/bindings/pwm/pwm-apple.yaml diff --git a/Documentation/devicetree/bindings/pwm/pwm-apple.yaml b/Documentation/devicetree/bindings/pwm/pwm-apple.yaml new file mode 100644 index 000000000000..39dc32e00a3f --- /dev/null +++ b/Documentation/devicetree/bindings/pwm/pwm-apple.yaml @@ -0,0 +1,51 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/pwm/pwm-apple.yaml# +$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: fpwm@235044000 { + compatible = "apple,s5l-fpwm"; + reg = <0x2 0x35044000 0x0 0x4000>; + power-domains = <&ps_fpwm1>; + clocks = <&clkref>; + #pwm-cells = <2>; + }; -- 2.37.3