From nobody Fri Dec 19 19:59:09 2025 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 7BABA1A2C3D; Tue, 30 Jul 2024 14:48:00 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.140.110.172 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722350882; cv=none; b=SAyykfVGERofLTQECI4LmfJAcI/SFnUC8DTvgSIDvRTiS9j62zljo9gHnImlZw1RbIbmScy3jyiUzBAKH7zoTCyFGo+ibaonhZ5sFbR48YtimcxSRgjuPvQUW/wq3menDZZMY2B2S+tpymtrrxEJY1+o1w6bJ72wtdGAHFxO000= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722350882; c=relaxed/simple; bh=r9EWGC0sIAIRiDN+Z7UHs0WD0LCi6bKRK2M5DHWDROE=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=HcnBxZQU4pgnWBXqNgROC+JdbT97iim1EjK/B5FYNRHqQ+mxUfV6q4VO2wsIjx8VPxGVIx3rwZAsuWSYjetgbf9FCn7YzihruHxs0gbNj1CBLVvsRxulfOadNjuihjmd6x+czvTdEwSHD+NGx7PkMtLZz/y1kvW7O+NPOkZigR8= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com; spf=pass smtp.mailfrom=arm.com; arc=none smtp.client-ip=217.140.110.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=arm.com Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 73BEA1007; Tue, 30 Jul 2024 07:48:25 -0700 (PDT) Received: from pluto.guestnet.cambridge.arm.com (usa-sjc-mx-foss1.foss.arm.com [172.31.20.19]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id D67013F766; Tue, 30 Jul 2024 07:47:56 -0700 (PDT) From: Cristian Marussi To: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, arm-scmi@vger.kernel.org, devicetree@vger.kernel.org Cc: sudeep.holla@arm.com, james.quinlan@broadcom.com, f.fainelli@gmail.com, vincent.guittot@linaro.org, etienne.carriere@st.com, peng.fan@oss.nxp.com, michal.simek@amd.com, quic_sibis@quicinc.com, quic_nkela@quicinc.com, dan.carpenter@linaro.org, souvik.chakravarty@arm.com, robh@kernel.org, krzk+dt@kernel.org, Peng Fan , Cristian Marussi Subject: [PATCH v1 2/6] dt-bindings: firmware: arm,scmi: Introduce property max-rx-timeout-ms Date: Tue, 30 Jul 2024 15:47:03 +0100 Message-ID: <20240730144707.1647025-3-cristian.marussi@arm.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240730144707.1647025-1-cristian.marussi@arm.com> References: <20240730144707.1647025-1-cristian.marussi@arm.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Peng Fan System Controller Management Interface(SCMI) firmwares might have different designs depending on the platform: the maximum receive channel timeout value might vary depending on the specific underlying hardware and firmware design choices. Introduce the general property max-rx-timeout-ms property to describe the transport needs of a specific platform design. Reviewed-by: Rob Herring (Arm) Signed-off-by: Peng Fan [Cristian: reworded commit message, s/mailbox/transport in description] Signed-off-by: Cristian Marussi --- Documentation/devicetree/bindings/firmware/arm,scmi.yaml | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/Documentation/devicetree/bindings/firmware/arm,scmi.yaml b/Doc= umentation/devicetree/bindings/firmware/arm,scmi.yaml index 4d823f3b1f0e..7c9fa07e2ff2 100644 --- a/Documentation/devicetree/bindings/firmware/arm,scmi.yaml +++ b/Documentation/devicetree/bindings/firmware/arm,scmi.yaml @@ -121,6 +121,13 @@ properties: atomic mode of operation, even if requested. default: 0 =20 + max-rx-timeout-ms: + description: + An optional time value, expressed in milliseconds, representing the + transport maximum timeout value for the receive channel. The value s= hould + be a non-zero value if set. + minimum: 1 + arm,smc-id: $ref: /schemas/types.yaml#/definitions/uint32 description: --=20 2.45.2