From patchwork Tue Apr 30 11:51:03 2024 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: 1929435 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=R2WUxRcf; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=147.75.199.223; helo=ny.mirrors.kernel.org; envelope-from=devicetree+bounces-63960-incoming-dt=patchwork.ozlabs.org@vger.kernel.org; receiver=patchwork.ozlabs.org) Received: from ny.mirrors.kernel.org (ny.mirrors.kernel.org [147.75.199.223]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (secp384r1)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4VTJSm0qbkz23tY for ; Tue, 30 Apr 2024 21:51:35 +1000 (AEST) Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ny.mirrors.kernel.org (Postfix) with ESMTPS id 1A7221C2201D for ; Tue, 30 Apr 2024 11:51:34 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 3300C13D257; Tue, 30 Apr 2024 11:51:25 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="R2WUxRcf" X-Original-To: devicetree@vger.kernel.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.subspace.kernel.org (Postfix) with ESMTPS id E804D1311B0 for ; Tue, 30 Apr 2024 11:51:24 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1714477885; cv=none; b=WAWFQLtfyLzje1HOrVBgsybdjv76NuvRB/vhyKQ579OFr8wKp2JGLJCoto4nLGQSVpvMU5ju+hIYHHrgU9dEYp9ZOXk4flzt7Nuy5Mn7PlSzRdQ+Bm5jKAMZLSuZGPXLmCPfK0XWKhvO+BNZdkC+DjA/lKAqbO4A+2I0/mu2tcI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1714477885; c=relaxed/simple; bh=QJ+3syUC/XybE7QEmBbjuLM4sJKnA1UhyO7VemeDGjE=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=KIZhh23U3wfcBbuVXeXijv+ZUsZU50wUpxShU5OgSK4O1o04+2tKKjuqjuM87yRf8rC6Ew4v0FQrlrI/5wmT37PgV93w2FWJvz99ZIhsmfI+8w5j5JcTdlvUCTnjxqfkmgj1fM79YX6alYaI7AIp+Naq1Sy821I9uDJhqVLlMp4= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=R2WUxRcf; arc=none smtp.client-ip=10.30.226.201 Received: by smtp.kernel.org (Postfix) with ESMTPSA id B086BC4AF53; Tue, 30 Apr 2024 11:51:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1714477884; bh=QJ+3syUC/XybE7QEmBbjuLM4sJKnA1UhyO7VemeDGjE=; h=From:List-Id:To:Cc:Subject:Date:In-Reply-To:References:From; b=R2WUxRcfPw1FjTCblZO3ilE6t+GaNaXOJ3NjarIeUEj8gNto19jtLLUzgiU6MeKoY SiON2laYrYTBZi13FMtwlnTJFS18tUZA5FqnlnT9NKixQwXJEJ/Hevlx9sRp8PfmZh h21aEshuSsxplHwRRM0rgni8IvR7oGdRcS03PvoeQTSOJHkP5e/IvhCtFiUxAiceRm PzIDRnFWU/KjchP88a14sDHSPuOXyetbEr575TSm1k0BMNRkSadSUIbOzimREdGgeZ 9i7BPVbEOCpyxHRYJn7RjVUoa8k9OFTxJe3Wql1LA42WnBriljGwNsouQuS9TwLd94 btch+QJK1wPig== From: =?utf-8?q?Marek_Beh=C3=BAn?= To: Gregory CLEMENT , Arnd Bergmann , soc@kernel.org, arm@kernel.org, Andy Shevchenko , Hans de Goede , =?utf-8?q?Ilpo_J=C3=A4rvinen?= Cc: =?utf-8?q?Marek_Beh=C3=BAn?= , Rob Herring , Krzysztof Kozlowski , Conor Dooley , devicetree@vger.kernel.org, Krzysztof Kozlowski , Conor Dooley Subject: [PATCH v8 1/9] dt-bindings: firmware: add cznic,turris-omnia-mcu binding Date: Tue, 30 Apr 2024 13:51:03 +0200 Message-ID: <20240430115111.3453-2-kabel@kernel.org> X-Mailer: git-send-email 2.43.2 In-Reply-To: <20240430115111.3453-1-kabel@kernel.org> References: <20240430115111.3453-1-kabel@kernel.org> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: 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 Reviewed-by: Conor Dooley --- .../firmware/cznic,turris-omnia-mcu.yaml | 86 +++++++++++++++++++ MAINTAINERS | 1 + 2 files changed, 87 insertions(+) create mode 100644 Documentation/devicetree/bindings/firmware/cznic,turris-omnia-mcu.yaml diff --git a/Documentation/devicetree/bindings/firmware/cznic,turris-omnia-mcu.yaml b/Documentation/devicetree/bindings/firmware/cznic,turris-omnia-mcu.yaml new file mode 100644 index 000000000000..af9249695ef5 --- /dev/null +++ b/Documentation/devicetree/bindings/firmware/cznic,turris-omnia-mcu.yaml @@ -0,0 +1,86 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/firmware/cznic,turris-omnia-mcu.yaml# +$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 + description: | + The first cell specifies the interrupt number (0 to 63), the second cell + specifies interrupt type (which can be one of IRQ_TYPE_EDGE_RISING, + IRQ_TYPE_EDGE_FALLING or IRQ_TYPE_EDGE_BOTH). + The interrupt numbers correspond sequentially to GPIO numbers, taking the + GPIO banks into account: + IRQ number GPIO bank GPIO pin within bank + 0 - 15 0 0 - 15 + 16 - 47 1 0 - 31 + 48 - 63 2 0 - 15 + There are several exceptions: + IRQ number meaning + 11 LED panel brightness changed by button press + 13 TRNG entropy ready + 14 ECDSA message signature computation done + + gpio-controller: true + + '#gpio-cells': + const: 3 + description: + The first cell is bank number (0, 1 or 2), the second cell is pin number + within the bank (0 to 15 for banks 0 and 2, 0 to 31 for bank 1), and the + third cell specifies consumer flags. + +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 = <3>; + + interrupt-controller; + #interrupt-cells = <2>; + }; + }; diff --git a/MAINTAINERS b/MAINTAINERS index ab89edc6974d..359ed2cadfc4 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -2143,6 +2143,7 @@ F: Documentation/ABI/testing/sysfs-bus-moxtet-devices F: Documentation/ABI/testing/sysfs-firmware-turris-mox-rwtm F: Documentation/devicetree/bindings/bus/moxtet.txt F: Documentation/devicetree/bindings/firmware/cznic,turris-mox-rwtm.txt +F: Documentation/devicetree/bindings/firmware/cznic,turris-omnia-mcu.yaml F: Documentation/devicetree/bindings/gpio/gpio-moxtet.txt F: Documentation/devicetree/bindings/leds/cznic,turris-omnia-leds.yaml F: Documentation/devicetree/bindings/watchdog/armada-37xx-wdt.txt