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smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=EjRqTQ+K; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id DCA51606A329; Fri, 6 Nov 2026 11:23:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=EjRqTQ+K Received: by smtp.kernel.org (Postfix) with ESMTPSA id DE1B91F0089F; Fri, 6 Nov 2026 11:23:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1793964210; bh=ZC97gP+71La8dh+fmuThPo+yYNGatDg8EP+Bb8cfY8M=; h=Date:Subject:To:Cc:References:From:In-Reply-To; b=EjRqTQ+KLTKlC2shUJFhzMID6RGCvBWjVIFK3LTzmmsPKi8XNgdkcVh+WfN9nE5m7 RvD+WAwYVf4lTvn+ZHmawQwM5ZVufYo3k/l8oqGjHOaU8DMZ00dSjaTLA0EERA3MdL 8Bh/O63iaoicA8TpBm1Odbb4VD46SQRFVCfi4ueU3PQjnOTQB9L5UrlEaZrDOCoR8q KuZY11d7p4yY76mF+0K3aNvUBPUO2gb3b7bHuw5sIF28Oc7sMUScUGglH8Ww0SAOkZ +UMSs//C2spHV7nSVtFpNixoij1uV51WC9MyRrIB5+VrzZlyZiP59EkmFF8XADfB03 Megloye1s0hpA== Message-ID: <833cc1d5-7968-4d45-9b59-976a3eaea5a7@kernel.org> Date: Fri, 6 Nov 2026 12:23:18 +0100 X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 04/25] dt-bindings: power: reset: add Metanoia MT2824 reboot To: =?UTF-8?Q?Beno=C3=AEt_Monin?= , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Jun Chang , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , Philipp Zabel , Sebastian Reichel , Vinod Koul , Neil Armstrong , Manivannan Sadhasivam , Conor Dooley , Jonathan Cameron , Lad Prabhakar , Thomas Gleixner , Radu Rendec , Samuel Holland , Ben Zong-You Xie , Daniel Lezcano , Ulf Hansson , Jisheng Zhang , CL Wang , Mark Brown , Greg Kroah-Hartman , Wim Van Sebroeck , Guenter Roeck , Adrian Hunter , Minas Harutyunyan Cc: Thomas Petazzoni , =?UTF-8?B?UmFuZG9scGggU2hlbmctS2FpIExpbijmnpfogZblh7Ep?= , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, linux-pm@vger.kernel.org, linux-phy@lists.infradead.org, Paul Walmsley , linux-mmc@vger.kernel.org, linux-spi@vger.kernel.org, linux-usb@vger.kernel.org, linux-watchdog@vger.kernel.org References: <20261106-mt2824-v1-0-86087eaf5af4@bootlin.com> <20261106-mt2824-v1-4-86087eaf5af4@bootlin.com> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 8bit On 06/11/2026 10:30, Benoît Monin wrote: > Document the Metanoia MT2824 reboot register, which the firmware writes > in machine mode to perform a warm system reboot. OpenSBI has a system > reset driver for it. > > Originally-by: Jun Chang > Signed-off-by: Benoît Monin > --- > .../bindings/power/reset/metanoia,reboot.yaml | 34 ++++++++++++++++++++++ > 1 file changed, 34 insertions(+) > > diff --git a/Documentation/devicetree/bindings/power/reset/metanoia,reboot.yaml b/Documentation/devicetree/bindings/power/reset/metanoia,reboot.yaml > new file mode 100644 > index 000000000000..2670fe7ab93f > --- /dev/null > +++ b/Documentation/devicetree/bindings/power/reset/metanoia,reboot.yaml > @@ -0,0 +1,34 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/power/reset/metanoia,reboot.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Metanoia MT2824 Reboot Controller > + > +maintainers: > + - Jun Chang > + > +description: > + The Metanoia MT2824 reboot controller provides a system warm reboot through > + a memory-mapped register. It is used by the firmware in machine mode. > + > +properties: > + compatible: > + const: metanoia,mt2824-reboot > + > + reg: > + maxItems: 1 > + > +required: > + - compatible > + - reg > + > +additionalProperties: false > + > +examples: > + - | > + reboot: reboot@10000004 { > + compatible = "metanoia,mt2824-reboot"; > + reg = <0x10000004 0x8>; Two words is also not a device, especially that rest of your devices are at aligned to 0x10000. Best regards, Krzysztof