From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wm1-f52.google.com (mail-wm1-f52.google.com [209.85.128.52]) (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 AD62B80A for ; Sat, 14 Jan 2023 13:26:47 +0000 (UTC) Received: by mail-wm1-f52.google.com with SMTP id m3so16905147wmq.0 for ; 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=MgPTdOGcGY97lS7jdF0/99aKFnRqUbyAkSQGVDAUocO7nsOs7LtTnEHhO6C5Iiz5qh lLpcFU6Px6dOlqb1qSeJ0JRfNFm28qFaEp9+IS8PuVe96oFEoyuVo66lqh219I9i5Cm0 Q0+KUUYD6X5gwcdDvS+5+udt+1mokLWFWmhxvO5aalRZihRfd/LGjLkmP7UtUvITC+T4 21GJ08HwmryhySzMaxGCMIAGXHUXmj4YqLau9qjHeBjgdfIGhxp1VmusxUxFWgILkJUS XquLBiLIH4g5cVmz9aEPEigsFoed9wUifqw30FjJZGRFrr/9/sgA/hFrIztB3OCg6de7 jCQQ== X-Gm-Message-State: AFqh2krI34//0FOkqQOC1NDKHWIFDmH0vHsOXq5cUyVSf97tYsp9PX+s 1KxAkOBlz2SGvbRQrtXcjIM= 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> 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 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>; + }; -- 2.37.1 (Apple Git-137.1)