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[209.85.220.41]) by mx.google.com with SMTPS id 2adb3069b0e04-53b2e1cdc22sor1404194e87.22.2024.10.28.03.26.11 for (Google Transport Security); Mon, 28 Oct 2024 03:26:11 -0700 (PDT) Received-SPF: pass (google.com: domain of dario.binacchi@amarulasolutions.com designates 209.85.220.41 as permitted sender) client-ip=209.85.220.41; X-Received: by 2002:ac2:4c46:0:b0:535:82eb:21d1 with SMTP id 2adb3069b0e04-53b34a3516cmr2517575e87.57.1730111171159; 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 X-Original-Sender: dario.binacchi@amarulasolutions.com X-Original-Authentication-Results: mx.google.com; dkim=pass header.i=@amarulasolutions.com header.s=google header.b=azwR668k; spf=pass (google.com: domain of dario.binacchi@amarulasolutions.com designates 209.85.220.41 as permitted sender) smtp.mailfrom=dario.binacchi@amarulasolutions.com; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=amarulasolutions.com; dara=pass header.i=@amarulasolutions.com Content-Type: text/plain; charset="UTF-8" Precedence: list Mailing-list: list linux-amarula@amarulasolutions.com; contact linux-amarula+owners@amarulasolutions.com List-ID: X-Spam-Checked-In-Group: linux-amarula@amarulasolutions.com X-Google-Group-Id: 476853432473 List-Post: , List-Help: , List-Archive: List-Unsubscribe: , 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