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Tue, 16 Jun 2026 13:27:39 -0700 (PDT) Received: from [192.168.0.2] ([197.250.51.220]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-49230a458f2sm89987005e9.3.2026.06.16.13.27.35 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 16 Jun 2026 13:27:39 -0700 (PDT) From: =?utf-8?q?Stefan_D=C3=B6singer?= Date: Tue, 16 Jun 2026 23:26:32 +0300 Subject: [PATCH RFC v4 12/12] ARM: dts: zte: Add a syscon-reboot for zx297520v3 boards MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit Message-Id: <20260616-zx29clk-v4-12-ca994bd22e9d@gmail.com> References: <20260616-zx29clk-v4-0-ca994bd22e9d@gmail.com> In-Reply-To: <20260616-zx29clk-v4-0-ca994bd22e9d@gmail.com> To: Michael Turquette , Stephen Boyd , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Philipp Zabel , Brian Masney Cc: linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, =?utf-8?q?Stefan_D=C3=B6singer?= X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; 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a=openpgp; fpr=4F9C2C8728019633893EBBB98CB81F9A72BBA155 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260616_132741_995946_8120603A X-CRM114-Status: GOOD ( 10.45 ) 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: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org This is fairly simple with the driver exposing a syscon regmap. Write a one to the lowest bit of register 0 and the board resets. Signed-off-by: Stefan Dösinger --- arch/arm/boot/dts/zte/zx297520v3.dtsi | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/arch/arm/boot/dts/zte/zx297520v3.dtsi b/arch/arm/boot/dts/zte/zx297520v3.dtsi index a2b6909e7434..013ece51c2a0 100644 --- a/arch/arm/boot/dts/zte/zx297520v3.dtsi +++ b/arch/arm/boot/dts/zte/zx297520v3.dtsi @@ -33,6 +33,13 @@ osc32k: osc32k { #clock-cells = <0>; }; + syscon-reboot { + compatible = "syscon-reboot"; + regmap = <&topclk>; + offset = <0x0>; + mask = <0x1>; + }; + timer { compatible = "arm,armv7-timer"; interrupts = , -- 2.53.0