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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 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: 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; a=openpgp-sha256; l=817; i=stefandoesinger@gmail.com; h=from:subject:message-id; bh=dEe7AnhTFAr5p/XXrX/uCCb9oMxECR6QftpPnuBBlPY=; b=owEBiQJ2/ZANAwAIAT0TvMhUTxoiAcsmYgBqMbGGdznTfH74HtE8ynnSgt60AzmAGzDzYjSBF v5tV/6RRTmJAk8EAAEIADkWIQRDFvS2qgVbJ5UyXWw9E7zIVE8aIgUCajGxhhsUgAAAAAAEAA5t YW51MiwyLjUrMS4xMiwyLDIACgkQPRO8yFRPGiKHEw/9FhrXlF6q4Lzp5fUaLbRw/bc/1+9787X vYpRe2fXPGZx9mRtm/9BiFcwv84Yw1sVzTFxVOEfG69VjUX+Ku1D2Tk5Q8HT3O6fSn5I9lObMwt kboi/YHrRmec5FIxp8tVGKQSZ7IrtPMkJhQFDs/PzAq0ECfW1pgtVd/kw9s0WqVVliTP+Hu7io4 zeW8EPpUz4HrN9dB8PdC7wo6nL2keck2pwuIqPfxNRRRxItmUbOwNxNTAaZopvL12WPT/tnD0Xm w7TvVmXK6e8iEdznzirlzYc8akeQe2NveWLTO7yNOybrt/UmoWR/NNlkXa6McyKkSGHDRuG1VWB 7/UWwaQqyWW4CG96xs0PIV5zmFV1b4j6lLgnGoSV2YHR/RJ0DqAxBJ3vUhSouV+J7NNwkl4XUgr dYTiRMN4hzq/3imJh08ZRi7AzfZWU3pGob+CwmeCKzhrjYcDLpR8mFFRqGuaRkXpywo14b/jeK8 yD6ZCDRvH8hT1HXv6dAYhIxBnorfg57VBPMWUOM4NEWCTvQaV9MXLTO7V6GmkZ+TIeysUXU/aVa qyb5CKCJptLSpp4D17PARQZ2Vzg2ov9eomoWzLNZ2Sll7WyGs8tdeSwzdix48gEWPfUS+OLWVWE 3hfSH9JKGwoLDkvwwS9LQzW5/uwgcLIT3UeemWbz35claV7Zzc8k= X-Developer-Key: i=stefandoesinger@gmail.com; a=openpgp; fpr=4F9C2C8728019633893EBBB98CB81F9A72BBA155 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