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a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1708144833; bh=vtNbiCf8dPvo8myozP2/Im+/upL82iYWSS1O9Sy10wM=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=a6uk8iaFExqKCvG6TVaVt4kGzuYUIUGWy5M/JllferAMgwTupd78xlWRHjrUzXq5T ImTyyyPzV46AuBiZG7m+/joYYktJoH4uuViDBetorzDy/8Gp8eDkznCsJxe6jbQK3f iEWwTH3+4+AMIRmBUuSo6dyl90Of4YIUaEFEGm5i+iJgDhMDR3qh0JwQgsWUm4LRom +78oELK6XmcjRwmfWl7U92dpkygZ84/NooIRTZ/jjlioABGtKt5209LrZ5TcUeCU/M QYHQSK4Uzljs4WQvTBUDfyQC3dov5usDOFgKDK42SIIcWRAMyFTTQzuw5F8FrYRJbX 1e4lzvOvySx7A== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7A7E3C5475B; Sat, 17 Feb 2024 04:40:33 +0000 (UTC) From: Yang Xiwen via B4 Relay Date: Sat, 17 Feb 2024 12:40:35 +0800 Subject: [PATCH 2/2] dt-binding: watchdog: arm,sp805: document the reset signal Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240217-hisi-wdt-v1-2-cdb9ddcab968@outlook.com> References: <20240217-hisi-wdt-v1-0-cdb9ddcab968@outlook.com> In-Reply-To: <20240217-hisi-wdt-v1-0-cdb9ddcab968@outlook.com> To: Wim Van Sebroeck , Guenter Roeck , Philipp Zabel , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Viresh Kumar Cc: linux-watchdog@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Yang Xiwen X-Mailer: b4 0.12.4 X-Developer-Signature: v=1; a=ed25519-sha256; t=1708144834; l=1040; i=forbidden405@outlook.com; s=20230724; h=from:subject:message-id; bh=HUldbqmBl21KlfOEiljP/y3O1Exgubj2VKDOCZ4vRqw=; b=/PKUGGOnHUsZta+uz74jNQ9BXBn4YtiauYN296RUBFBiX1nUzbuQoSFRuQn1heUk1+6JtgNd6 2wcAhavXQaRAEDph8fHPc0BJADn6Dkns1GG3jF0qjNafC7XnpBEz7EC X-Developer-Key: i=forbidden405@outlook.com; a=ed25519; pk=qOD5jhp891/Xzc+H/PZ8LWVSWE3O/XCQnAg+5vdU2IU= X-Endpoint-Received: by B4 Relay for forbidden405@outlook.com/20230724 with auth_id=67 X-Original-From: Yang Xiwen Reply-To: From: Yang Xiwen The reset signal needs to be deasserted before operation of sp805 module. Document in the binding. Signed-off-by: Yang Xiwen Reviewed-by: Krzysztof Kozlowski --- Documentation/devicetree/bindings/watchdog/arm,sp805.yaml | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/Documentation/devicetree/bindings/watchdog/arm,sp805.yaml b/Documentation/devicetree/bindings/watchdog/arm,sp805.yaml index 7aea255b301b..6d4f63f23f1a 100644 --- a/Documentation/devicetree/bindings/watchdog/arm,sp805.yaml +++ b/Documentation/devicetree/bindings/watchdog/arm,sp805.yaml @@ -50,6 +50,11 @@ properties: - const: wdog_clk - const: apb_pclk + resets: + maxItems: 1 + description: | + WDOGRESn input reset signal for sp805 module. + required: - compatible - reg @@ -67,4 +72,5 @@ examples: interrupts = ; clocks = <&wdt_clk>, <&apb_pclk>; clock-names = "wdog_clk", "apb_pclk"; + resets = <&wdt_rst>; };