From patchwork Wed Aug 23 16:10:09 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Marek_Beh=C3=BAn?= X-Patchwork-Id: 13362808 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 smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id D1E66EE4993 for ; Wed, 23 Aug 2023 16:10:18 +0000 (UTC) Received: by smtp.kernel.org (Postfix) id B53B0C433CB; Wed, 23 Aug 2023 16:10:18 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2A8FBC433C9; Wed, 23 Aug 2023 16:10:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1692807018; bh=IXbIi8TvFJEjkdvzTqODOQaFSwZog/KmUIOezb+KRdo=; h=From:List-Id:To:Cc:Subject:Date:In-Reply-To:References:From; b=NPgo5qhA1raVy8FkCOsDZhZBwaWm2UQMxAtclJKhm9/DKJ/WBeJolvrgaDrkGANQ/ 0/QoGPvSR3ZfhSdtidFuUW3YOd62E8/rGh5wGTFJw1movnjicGb2hFDsfjP213+Xhn rPyQErundwgEICcXkRkLfi9JKj+ofT6RFvD+L4LzDkCnfKxHgRy1CIStZ9WsSAzC6s KzkUeuepaCkUJy132+iHeKd5vsO3X604G6jyAMxxjq2uNObPoIYCnehdjgcuNuF0v7 nPPzoRlLdDz0HqmzkF2OqQ+OB+3J3lU3kfkpIdLc4eoso9ZtLkZ+uOjvvT7bzc8iRW MX8rvZ/DwmIRQ== From: =?utf-8?q?Marek_Beh=C3=BAn?= List-Id: To: Gregory CLEMENT , Arnd Bergmann , soc@kernel.org, arm@kernel.org, Rob Herring , devicetree@vger.kernel.org Cc: =?utf-8?q?Marek_Beh=C3=BAn?= Subject: [PATCH 1/4] dt-bindings: arm: add cznic,turris-omnia-mcu binding Date: Wed, 23 Aug 2023 18:10:09 +0200 Message-ID: <20230823161012.6986-2-kabel@kernel.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230823161012.6986-1-kabel@kernel.org> References: <20230823161012.6986-1-kabel@kernel.org> MIME-Version: 1.0 Add binding for cznic,turris-omnia-mcu, the device-tree node representing the system-controller features provided by the MCU on the Turris Omnia router. Signed-off-by: Marek Behún --- .../bindings/arm/cznic,turris-omnia-mcu.yaml | 72 +++++++++++++++++++ MAINTAINERS | 1 + 2 files changed, 73 insertions(+) create mode 100644 Documentation/devicetree/bindings/arm/cznic,turris-omnia-mcu.yaml diff --git a/Documentation/devicetree/bindings/arm/cznic,turris-omnia-mcu.yaml b/Documentation/devicetree/bindings/arm/cznic,turris-omnia-mcu.yaml new file mode 100644 index 000000000000..055485847e71 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/cznic,turris-omnia-mcu.yaml @@ -0,0 +1,72 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/arm/cznic,turris-omnia-mcu.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: CZ.NIC's Turris Omnia MCU + +maintainers: + - Marek Behún + +description: + The MCU on Turris Omnia acts as a system controller providing additional + GPIOs, interrupts, watchdog, system power off and wakeup configuration. + +properties: + compatible: + const: cznic,turris-omnia-mcu + + reg: + description: MCU I2C slave address + maxItems: 1 + + interrupts: + maxItems: 1 + + interrupt-controller: true + + '#interrupt-cells': + const: 2 + + gpio-controller: true + + '#gpio-cells': + const: 2 + +required: + - compatible + - reg + - interrupts + - interrupt-controller + - gpio-controller + +additionalProperties: false + +examples: + - | + #include + + ic: interrupt-controller { + interrupt-controller; + #interrupt-cells = <2>; + }; + + i2c { + #address-cells = <1>; + #size-cells = <0>; + + system-controller@2a { + compatible = "cznic,turris-omnia-mcu"; + reg = <0x2a>; + + interrupt-parent = <&ic>; + interrupts = <11 IRQ_TYPE_NONE>; + + gpio-controller; + #gpio-cells = <2>; + + interrupt-controller; + #interrupt-cells = <2>; + }; + }; diff --git a/MAINTAINERS b/MAINTAINERS index d590ce31aa72..00db4f1d165f 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -2077,6 +2077,7 @@ W: https://www.turris.cz/ F: Documentation/ABI/testing/debugfs-moxtet F: Documentation/ABI/testing/sysfs-bus-moxtet-devices F: Documentation/ABI/testing/sysfs-firmware-turris-mox-rwtm +F: Documentation/devicetree/bindings/arm/cznic,turris-omnia-mcu.yaml F: Documentation/devicetree/bindings/bus/moxtet.txt F: Documentation/devicetree/bindings/firmware/cznic,turris-mox-rwtm.txt F: Documentation/devicetree/bindings/gpio/gpio-moxtet.txt