From patchwork Sun Jul 28 21:17:45 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Heiko Stuebner X-Patchwork-Id: 815154 Received: from gloria.sntech.de (gloria.sntech.de [185.11.138.130]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 20079757EB; Sun, 28 Jul 2024 21:18:22 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.11.138.130 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722201505; cv=none; b=IzB5PD40SBoEYxH8yZn9ORCx/UySOGM46ezZlMdEP2rEgOBMifAqvGSyGZgjF7D5D11GheZw1Lbh69GbMz2v7xdqW5FeYk6zHD0AhgrdbGK2IeI1JPvNODEAt9l9DoH0va69u6hHTt/SwkEqDBtOjitJThczMdzSrWU1hROAJso= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722201505; c=relaxed/simple; bh=26vnjYeJUbZSWRshsuWzvhrk6GDXebFodiGDME77AB0=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=ai+ftuvsDhn3X3OfSiZgNDmhJXHEtrLc8ahFM5/UFHIfywxqd6JW6nZZOvXak7xaZmm4RWrXCkR1dY/b3BtMYmjg9mJQJAwZEgFUYU7BfDTMneaKjTkXCy4sIwoXwaSi2Vj+dP3zXYUF1B8PLDoxl9bigtRghmnSRId6TB9CVxg= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=sntech.de; spf=pass smtp.mailfrom=sntech.de; arc=none smtp.client-ip=185.11.138.130 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=sntech.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=sntech.de Received: from i5e86192c.versanet.de ([94.134.25.44] helo=phil.lan) by gloria.sntech.de with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1sYBHE-0005yh-95; Sun, 28 Jul 2024 23:18:00 +0200 From: Heiko Stuebner To: lee@kernel.org, jdelvare@suse.com, linux@roeck-us.net, dmitry.torokhov@gmail.com, pavel@ucw.cz Cc: robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, heiko@sntech.de, ukleinek@debian.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-hwmon@vger.kernel.org, linux-input@vger.kernel.org, linux-leds@vger.kernel.org, Krzysztof Kozlowski Subject: [PATCH v2 1/7] dt-bindings: mfd: add binding for qnap,ts433-mcu devices Date: Sun, 28 Jul 2024 23:17:45 +0200 Message-Id: <20240728211751.2160123-2-heiko@sntech.de> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240728211751.2160123-1-heiko@sntech.de> References: <20240728211751.2160123-1-heiko@sntech.de> Precedence: bulk X-Mailing-List: linux-leds@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 These MCUs can be found in network attached storage devices made by QNAP. They are connected to a serial port of the host device and provide functionality like LEDs, power-control and temperature monitoring. Reviewed-by: Krzysztof Kozlowski Signed-off-by: Heiko Stuebner --- .../bindings/mfd/qnap,ts433-mcu.yaml | 43 +++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100644 Documentation/devicetree/bindings/mfd/qnap,ts433-mcu.yaml diff --git a/Documentation/devicetree/bindings/mfd/qnap,ts433-mcu.yaml b/Documentation/devicetree/bindings/mfd/qnap,ts433-mcu.yaml new file mode 100644 index 0000000000000..5ae19d8faedbd --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/qnap,ts433-mcu.yaml @@ -0,0 +1,43 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mfd/qnap,ts433-mcu.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: QNAP NAS on-board Microcontroller + +maintainers: + - Heiko Stuebner + +description: + QNAP embeds a microcontroller on their NAS devices adding system feature + as PWM Fan control, additional LEDs, power button status and more. + +properties: + compatible: + enum: + - qnap,ts433-mcu + + "#cooling-cells": + const: 2 + + cooling-levels: + description: PWM duty cycle values corresponding to thermal cooling states. + $ref: /schemas/types.yaml#/definitions/uint32-array + items: + maximum: 255 + +required: + - compatible + +additionalProperties: false + +examples: + - | + uart { + mcu { + compatible = "qnap,ts433-mcu"; + #cooling-cells = <2>; + cooling-levels = <0 64 89 128 166 204 221 238>; + }; + };