From patchwork Thu Aug 15 07:28:53 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomi Valkeinen X-Patchwork-Id: 13764465 Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [213.167.242.64]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E0D8618005B; Thu, 15 Aug 2024 07:30:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=213.167.242.64 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723707005; cv=none; b=roN6zL2BJCfKggzeY5UOIb0lrsDUqY89tNGpK/7Rr6J77J1ul4i6jzryXN09zalkbfcOKzp/OR35ekpIzS2Vhgigw+VXINGRLTzK/u1SQoOruPsADSwSL7LKVf3PnBRumS0GLMWLH9hSuHjhEmoxJMFBlEtXnDqc3Ct6q+fpYuo= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723707005; c=relaxed/simple; bh=LTGYVECr/4UG+67KVgOfDzOZKmU4a+lQj00GmjRaLUg=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=R86jdHLaMDrW6nxo0Mq4X8cUXuVq6RaKxpTcUF75vIlu1M6lnqvEduAOMNVoKR3TlLv/bwjsEdFGMG7L+njhmpxQATl7k/o+F/EmvTbN+7uliKp5KoGpI6PCktjeQ6vFqcLow0oGc1hW28JaPWKeWDZR5QcH7iwyRYvlR1eQlns= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=ideasonboard.com; spf=pass smtp.mailfrom=ideasonboard.com; dkim=pass (1024-bit key) header.d=ideasonboard.com header.i=@ideasonboard.com header.b=Enam7f6o; arc=none smtp.client-ip=213.167.242.64 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=ideasonboard.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ideasonboard.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=ideasonboard.com header.i=@ideasonboard.com header.b="Enam7f6o" Received: from [127.0.1.1] (91-156-87-48.elisa-laajakaista.fi [91.156.87.48]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 284B7AD8; Thu, 15 Aug 2024 09:28:55 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1723706936; bh=LTGYVECr/4UG+67KVgOfDzOZKmU4a+lQj00GmjRaLUg=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=Enam7f6oIwdFk1h4MKj0Rhb7E84saYESf+MqD30LGv4BwNDHd309MM7gBTDlrbI+u 5V0uwfO9D4DRq7kF75pAg5faDfVUQmKR9oSCE2bzWuZVn3LW9QLNKasrFO1pMuHWgn dnBCoE9kywhhBbagrRz//+IFJqx4rpFhVF1NISWA= From: Tomi Valkeinen Date: Thu, 15 Aug 2024 10:28:53 +0300 Subject: [PATCH v3 2/4] dt-bindings: media: Add bindings for raspberrypi,rp1-cfe Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240815-rp1-cfe-v3-2-e15a979db327@ideasonboard.com> References: <20240815-rp1-cfe-v3-0-e15a979db327@ideasonboard.com> In-Reply-To: <20240815-rp1-cfe-v3-0-e15a979db327@ideasonboard.com> To: Mauro Carvalho Chehab , Raspberry Pi Kernel Maintenance , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Florian Fainelli , Broadcom internal kernel review list , Rob Herring , Krzysztof Kozlowski 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 , Krzysztof Kozlowski X-Mailer: b4 0.13.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=3029; i=tomi.valkeinen@ideasonboard.com; h=from:subject:message-id; bh=LTGYVECr/4UG+67KVgOfDzOZKmU4a+lQj00GmjRaLUg=; b=owEBbQKS/ZANAwAIAfo9qoy8lh71AcsmYgBmva5tAVP/qCN0SxDccOoK06h4qGO2CpUFt0K0c 3kH9Qye7HKJAjMEAAEIAB0WIQTEOAw+ll79gQef86f6PaqMvJYe9QUCZr2ubQAKCRD6PaqMvJYe 9bmfD/wKVjZDLlHDVDAU1nOYgm0UaFC7Myhq5CvCtW701wFfmCmYVSjHYfDsbICobgT4u6NwFKV 1g3HntQVgb58OD7CtjkAl9lQBu8jXIh/uGxU/dzZ/WJQvUUP+WTgLJEKxbdqzgpgCEnmzcZ7YR+ lXr1n/YxWN1o+DUj5QQHqIzwbBd7u+OV6sp9xrVFH0rMB97lEGQWhosUDSXLZFbu97a9bem3sCY AaZMY5hO82V3VvSXWmI4PAW/uF5QhChKRvSvmDq7q8JSKZsLT4zRTyJHdytk7q2WTAdnsMZQGZe K21Yf6oaYreWMfjiwX0h4WKQSnU01cyJkzuEJHbS9oCml4HkgZVC8srXnIIGg3HFx1uLM1NUxH/ GF+7c9fNkhB29/G+5L/h1ZGCsJ8tTa5gRUhCU4TWXtwBcd1wXGPOYqUgw+R7Mt+kIpXr2E9tv7g UTQ7kS60TUOgYjbaw8H+aEC01yfQvTnE1mCa+5NnJgRyz+kq9P7K/HpuEsUl/pBKo8mfHySWN54 ZFhE8H7Mt0EFH0tC09Ed6tj9sCTocmXsUbg6u84l2b/JiLyJfi4RUH2o70yWfu8CwVUua96NFZb OgmDj33Xy3EOm6SV7OcBL6j3pNDuyqn+Rh/TD3gk4nwhP4hZYRLhlEWbwrHAyWj9TDEpSyofEYc nLxTPR70zcThaUA== X-Developer-Key: i=tomi.valkeinen@ideasonboard.com; a=openpgp; fpr=C4380C3E965EFD81079FF3A7FA3DAA8CBC961EF5 Add DT bindings for raspberrypi,rp1-cfe. Reviewed-by: Krzysztof Kozlowski Signed-off-by: Tomi Valkeinen --- .../bindings/media/raspberrypi,rp1-cfe.yaml | 98 ++++++++++++++++++++++ 1 file changed, 98 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..851533de2305 --- /dev/null +++ b/Documentation/devicetree/bindings/media/raspberrypi,rp1-cfe.yaml @@ -0,0 +1,98 @@ +# 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: + items: + - const: raspberrypi,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 + + required: + - clock-lanes + - data-lanes + +required: + - compatible + - reg + - interrupts + - clocks + +additionalProperties: false + +examples: + - | + rp1 { + #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 = <42>; + + clocks = <&rp1_clocks>; + + port { + csi_ep: endpoint { + remote-endpoint = <&cam_endpoint>; + clock-lanes = <0>; + data-lanes = <1 2>; + }; + }; + }; + };