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charset="utf-8" Content-Transfer-Encoding: 8bit Message-Id: <20261106-mt2824-v1-4-86087eaf5af4@bootlin.com> References: <20261106-mt2824-v1-0-86087eaf5af4@bootlin.com> In-Reply-To: <20261106-mt2824-v1-0-86087eaf5af4@bootlin.com> To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Jun Chang , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , Philipp Zabel , Sebastian Reichel , Vinod Koul , Neil Armstrong , Manivannan Sadhasivam , Conor Dooley , Jonathan Cameron , Lad Prabhakar , Thomas Gleixner , Radu Rendec , Samuel Holland , Ben Zong-You Xie , Daniel Lezcano , Ulf Hansson , Jisheng Zhang , CL Wang , Mark Brown , Greg Kroah-Hartman , Wim Van Sebroeck , Guenter Roeck , Adrian Hunter , Minas Harutyunyan Cc: Thomas Petazzoni , =?utf-8?q?Randolph_Sheng-Kai_Lin=28=E6=9E=97=E8=81=96=E5=87=B1=29?= , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, linux-pm@vger.kernel.org, linux-phy@lists.infradead.org, Paul Walmsley , linux-mmc@vger.kernel.org, linux-spi@vger.kernel.org, linux-usb@vger.kernel.org, linux-watchdog@vger.kernel.org, =?utf-8?q?Beno=C3=AEt_Monin?= X-Mailer: b4 0.16.0 X-Last-TLS-Session-Version: TLSv1.3 Document the Metanoia MT2824 reboot register, which the firmware writes in machine mode to perform a warm system reboot. OpenSBI has a system reset driver for it. Originally-by: Jun Chang Signed-off-by: Benoît Monin --- .../bindings/power/reset/metanoia,reboot.yaml | 34 ++++++++++++++++++++++ 1 file changed, 34 insertions(+) diff --git a/Documentation/devicetree/bindings/power/reset/metanoia,reboot.yaml b/Documentation/devicetree/bindings/power/reset/metanoia,reboot.yaml new file mode 100644 index 000000000000..2670fe7ab93f --- /dev/null +++ b/Documentation/devicetree/bindings/power/reset/metanoia,reboot.yaml @@ -0,0 +1,34 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/power/reset/metanoia,reboot.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Metanoia MT2824 Reboot Controller + +maintainers: + - Jun Chang + +description: + The Metanoia MT2824 reboot controller provides a system warm reboot through + a memory-mapped register. It is used by the firmware in machine mode. + +properties: + compatible: + const: metanoia,mt2824-reboot + + reg: + maxItems: 1 + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + reboot: reboot@10000004 { + compatible = "metanoia,mt2824-reboot"; + reg = <0x10000004 0x8>; + }; -- 2.56.0