From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-ej1-f51.google.com (mail-ej1-f51.google.com [209.85.218.51]) (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 183C524F4F for ; Fri, 11 Nov 2022 17:34:13 +0000 (UTC) Received: by mail-ej1-f51.google.com with SMTP id ft34so14002727ejc.12 for ; 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=iLZLGFWcdp1ohvF46c/RuCIqvtmB9oQg+ES2jXL4YJrc8juwfEArN3YQOHtGh5tAKh 6uBF/PGfQdPDjHMr20ra4ECFRJEHT1fNfhRK+Lqc5Iacxao5cgSCyxPlQSCe7q4lqYZB MZFLZ8ok3TA7ZiZf9w3DjaR8e+7SvNQ2tAZI6BSsUIXx9JXjXhnp5w5tFF5+7OkJ/uKr Ez20HTi7ThXl/kE14+LZ4GVSHG7Oj5D5c3FU2qBtA/Lf5Iqv+KdlywWjJ4gWh1VzHxHt 0/auX6na0lnPeEue/liHN4cDN1aJ93w8c6FBi2+pq7+q+myYXtkjhHJirXrnpZFDNQz2 V01w== X-Gm-Message-State: ANoB5pnx2CvY6GPd12xTG674DpPtKWIFKT2xrLibhuBw+iSvhEDTfAa6 cnRdw4AjEvoKGlQnhN7f6bM= X-Google-Smtp-Source: AA0mqf7eFwcyXUZdKn3GQ9scJrTpWoiH4VQiki2Gz5ipZtHrb0HyTwYeHdM0YDpCqQ2lq63B1CwjXg== 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> 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: 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>; + }; -- 2.38.1