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Mon, 16 Jan 2023 03:53:10 -0700 Received: from mtkmbs13n1.mediatek.inc (172.21.101.193) by mtkmbs13n2.mediatek.inc (172.21.101.108) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.792.15; Mon, 16 Jan 2023 18:53:07 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs13n1.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.792.15 via Frontend Transport; Mon, 16 Jan 2023 18:53:07 +0800 From: Allen-KH Cheng To: Wim Van Sebroeck , Guenter Roeck , Krzysztof Kozlowski , Matthias Brugger , Rob Herring , CC: , , , , , Allen-KH Cheng Subject: [PATCH v2 1/2] dt-bindings: watchdog: mtk-wdt: Add reset-by-toprgu support Date: Mon, 16 Jan 2023 18:53:04 +0800 Message-ID: <20230116105305.31818-2-allen-kh.cheng@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20230116105305.31818-1-allen-kh.cheng@mediatek.com> References: <20230116105305.31818-1-allen-kh.cheng@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230116_105325_290215_4CB267BD X-CRM114-Status: GOOD ( 10.14 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org In some applications, the mtk-wdt requires the toprgu (TOP Reset Generation Unit) to reset timer after system resets. Add optional mediatek,reset-by-toprgu property to enable it. Signed-off-by: Allen-KH Cheng --- .../devicetree/bindings/watchdog/mediatek,mtk-wdt.yaml | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/Documentation/devicetree/bindings/watchdog/mediatek,mtk-wdt.yaml b/Documentation/devicetree/bindings/watchdog/mediatek,mtk-wdt.yaml index b3605608410c..b4de6b134ce1 100644 --- a/Documentation/devicetree/bindings/watchdog/mediatek,mtk-wdt.yaml +++ b/Documentation/devicetree/bindings/watchdog/mediatek,mtk-wdt.yaml @@ -52,6 +52,12 @@ properties: description: Disable sending output reset signal type: boolean + mediatek,reset-by-toprgu: + description: The top reset generate unit (toprgu) generates reset signals + and distributes them to each system. If present, means the watchdog + timer will reset by toprgu once system resets. + type: boolean + '#reset-cells': const: 1 -- 2.18.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel