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Mon, 28 Oct 2024 03:26:11 -0700 (PDT) Received: from dario-ThinkPad-T14s-Gen-2i.amarulasolutions.com ([2.196.41.121]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-a9b1f297b04sm363613966b.134.2024.10.28.03.26.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 28 Oct 2024 03:26:10 -0700 (PDT) From: Dario Binacchi To: linux-kernel@vger.kernel.org Cc: linux-amarula@amarulasolutions.com, Dario Binacchi , Conor Dooley , Fabio Estevam , Krzysztof Kozlowski , Lucas Stach , Pengutronix Kernel Team , Rob Herring , Sascha Hauer , Shawn Guo , devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org Subject: [RFC PATCH 01/10] dt-bindings: soc: imx-blk-ctrl: add 'fsl,power-domains-boot-on' property Date: Mon, 28 Oct 2024 11:25:24 +0100 Message-ID: <20241028102559.1451383-2-dario.binacchi@amarulasolutions.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20241028102559.1451383-1-dario.binacchi@amarulasolutions.com> References: <20241028102559.1451383-1-dario.binacchi@amarulasolutions.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241028_032613_133189_59AA8618 X-CRM114-Status: GOOD ( 10.62 ) 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 property lists the state of the power domains, indicating whether they have been left on or off by the bootloader/firmware. This information becomes relevant, for example, in the case of supporting the simple framebuffer. Signed-off-by: Dario Binacchi --- .../bindings/soc/imx/fsl,imx8mn-disp-blk-ctrl.yaml | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/Documentation/devicetree/bindings/soc/imx/fsl,imx8mn-disp-blk-ctrl.yaml b/Documentation/devicetree/bindings/soc/imx/fsl,imx8mn-disp-blk-ctrl.yaml index eeec9965b091..00aa0b8d8ea9 100644 --- a/Documentation/devicetree/bindings/soc/imx/fsl,imx8mn-disp-blk-ctrl.yaml +++ b/Documentation/devicetree/bindings/soc/imx/fsl,imx8mn-disp-blk-ctrl.yaml @@ -56,6 +56,15 @@ properties: - const: csi-aclk - const: csi-pclk + fsl,power-domains-boot-on: + description: | + Provide the on/off (1/0) status of the power domains. It allows + specifying whether one or more power domains have already been + initialized and left powered on by the bootloader. + $ref: /schemas/types.yaml#/definitions/uint32-array + minItems: 5 + maxItems: 5 + required: - compatible - reg -- 2.43.0