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dmarc=none (p=none dis=none) header.from=ideasonboard.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ideasonboard.com Received: from [127.0.1.1] (91-154-34-181.elisa-laajakaista.fi [91.154.34.181]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id D0CCE1BB1; Mon, 18 Mar 2024 16:50:41 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1710777042; bh=9cqGmKwZifEH6rqhzO+wwC/ZEXL/+VH+UB9wjLsmb24=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=LUkqxqdZWyBYeB4UtMmsZxRc0Yh4TKpYQmkzuRWkCNyJmSWDmvsNUyPm5LFsbvtIE 7ot16zP3LlEApvDik6eAw6WE2dmLLy8pUa+CIBhVxCt0bL6P3bSPvPGYMIexJlh/A8 zKmlzLPWxAsf7Q9MuCL40T6Bw8lg8dAJ5evppEZM= From: Tomi Valkeinen Date: Mon, 18 Mar 2024 17:49:57 +0200 Subject: [PATCH 2/4] dt-bindings: media: Add bindings for raspberrypi,rp1-cfe Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240318-rp1-cfe-v1-2-ac6d960ff22d@ideasonboard.com> References: <20240318-rp1-cfe-v1-0-ac6d960ff22d@ideasonboard.com> In-Reply-To: <20240318-rp1-cfe-v1-0-ac6d960ff22d@ideasonboard.com> To: Mauro Carvalho Chehab , Raspberry Pi Kernel Maintenance , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Florian Fainelli , Broadcom internal kernel review list Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-rpi-kernel@lists.infradead.org, linux-arm-kernel@lists.infradead.org, Naushir Patuck , Laurent Pinchart , Sakari Ailus , Jacopo Mondi , Kieran Bingham , Tomi Valkeinen X-Mailer: b4 0.13.0 X-Developer-Signature: v=1; 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a=openpgp; fpr=C4380C3E965EFD81079FF3A7FA3DAA8CBC961EF5 Add DT bindings for raspberrypi,rp1-cfe. Signed-off-by: Tomi Valkeinen --- .../bindings/media/raspberrypi,rp1-cfe.yaml | 103 +++++++++++++++++++++ 1 file changed, 103 insertions(+) diff --git a/Documentation/devicetree/bindings/media/raspberrypi,rp1-cfe.yaml b/Documentation/devicetree/bindings/media/raspberrypi,rp1-cfe.yaml new file mode 100644 index 000000000000..7b2beeaaab0e --- /dev/null +++ b/Documentation/devicetree/bindings/media/raspberrypi,rp1-cfe.yaml @@ -0,0 +1,103 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/media/raspberrypi,rp1-cfe.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Raspberry Pi PiSP Camera Front End + +maintainers: + - Tomi Valkeinen + - Raspberry Pi Kernel Maintenance + +description: | + The Raspberry Pi PiSP Camera Front End is a module in Raspberrypi 5's RP1 I/O + controller, that contains: + - MIPI D-PHY + - MIPI CSI-2 receiver + - Simple image processor (called PiSP Front End, or FE) + + The FE documentation is available at: + https://datasheets.raspberrypi.com/camera/raspberry-pi-image-signal-processor-specification.pdf + + The PHY and CSI-2 receiver part have no public documentation. + +properties: + compatible: + const: raspberrypi,rpi5-rp1-cfe + + reg: + items: + - description: CSI-2 registers + - description: D-PHY registers + - description: MIPI CFG (a simple top-level mux) registers + - description: FE registers + + interrupts: + maxItems: 1 + + clocks: + maxItems: 1 + + port: + $ref: /schemas/graph.yaml#/$defs/port-base + additionalProperties: false + description: CSI-2 RX Port + + properties: + endpoint: + $ref: video-interfaces.yaml# + unevaluatedProperties: false + + properties: + data-lanes: + minItems: 1 + maxItems: 4 + + clock-lanes: + maxItems: 1 + + clock-noncontinuous: true + + required: + - clock-lanes + - data-lanes + +required: + - compatible + - reg + - interrupts + - clocks + +additionalProperties: false + +examples: + - | + #include + #include + #include + + rpi1 { + #address-cells = <2>; + #size-cells = <2>; + + csi@110000 { + compatible = "raspberrypi,rp1-cfe"; + reg = <0xc0 0x40110000 0x0 0x100>, + <0xc0 0x40114000 0x0 0x100>, + <0xc0 0x40120000 0x0 0x100>, + <0xc0 0x40124000 0x0 0x1000>; + + interrupts = ; + + clocks = <&rp1_clocks RP1_CLK_MIPI0_CFG>; + + port { + csi_ep: endpoint { + remote-endpoint = <&cam_endpoint>; + clock-lanes = <0>; + data-lanes = <1 2>; + }; + }; + }; + };