From patchwork Thu Oct 26 16:17:57 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: 13437716 X-Patchwork-Delegate: arnd@arndb.de 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 C4A51C25B67 for ; Thu, 26 Oct 2023 16:18:21 +0000 (UTC) Received: by smtp.kernel.org (Postfix) id 96223C433C9; Thu, 26 Oct 2023 16:18:21 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0FAC7C433D9; Thu, 26 Oct 2023 16:18:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1698337101; bh=HKm75Jt4k50b8pAXVQpBsrBTXG4MCNOPWjeqg02FmWw=; h=From:List-Id:To:Cc:Subject:Date:In-Reply-To:References:From; b=QkSd/2IWiOZq3PQWxB6WM7x0QV9WF7fp5gmxn7KcosxYYTNKx5GMUyX1VGZYBy19U 1riafayc5APoVisbLGOqx9rbCiX/vYVGFGxW0tExTJnqM5eg+IEjDtvzH/om/CN4hu ZRfHVSTFARGYY4xSAX3q/fhYgiPJT6bjb4d0Smy6ZlD70nREjEoDO+1nnRdEAujJsp dSqsqSNpv17JSbKfjGKcyY58UsxTLRYEAq9y1xDa8d9Rq8hyV4JJ8lwH8S+AB79RZX fl/eCRNRsw+nOQVAIYha/VWykVTiCerMOJWEqDVUfAi5sZEnbPxRyCl+67QZeQDTQ8 pOA3AK2bESfng== From: =?utf-8?q?Marek_Beh=C3=BAn?= List-Id: To: Gregory CLEMENT , Arnd Bergmann , soc@kernel.org, arm@kernel.org, Andy Shevchenko , Linus Walleij Cc: =?utf-8?q?Marek_Beh=C3=BAn?= Subject: [PATCH v4 1/7] dt-bindings: arm: add cznic,turris-omnia-mcu binding Date: Thu, 26 Oct 2023 18:17:57 +0200 Message-ID: <20231026161803.16750-2-kabel@kernel.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20231026161803.16750-1-kabel@kernel.org> References: <20231026161803.16750-1-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 Reviewed-by: Krzysztof Kozlowski --- .../bindings/arm/cznic,turris-omnia-mcu.yaml | 67 +++++++++++++++++++ MAINTAINERS | 1 + 2 files changed, 68 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..ea1fd0117bb8 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/cznic,turris-omnia-mcu.yaml @@ -0,0 +1,67 @@ +# 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 + + i2c { + #address-cells = <1>; + #size-cells = <0>; + + system-controller@2a { + compatible = "cznic,turris-omnia-mcu"; + reg = <0x2a>; + + interrupt-parent = <&gpio1>; + interrupts = <11 IRQ_TYPE_NONE>; + + gpio-controller; + #gpio-cells = <2>; + + interrupt-controller; + #interrupt-cells = <2>; + }; + }; diff --git a/MAINTAINERS b/MAINTAINERS index 2894f0777537..56cb540bb4ef 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -2102,6 +2102,7 @@ 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