From patchwork Tue Mar 5 16:08:50 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jacopo Mondi X-Patchwork-Id: 13582647 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 8FB0E12BF3E; Tue, 5 Mar 2024 16:09:31 +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=1709654973; cv=none; b=bUTPgR33pz62T3axVuOquOOU2V5iN6Nt9ta5X2v+JY0THymnNYxaXcSJ0emVX6wH0R5b28DhAe8rD6/Ws8Gmv9OnqNeAqzUcvVVQzjppHxOWkQPG9sVQBO9N0z0sWTNsiAZX44q8bUbtSeQhGa5m/H+gzRowzVcBI5OdQ7H5bV0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709654973; c=relaxed/simple; bh=/8RtcWddviVHUGwjp6TY/AMTXo6O4yEiTsEm4nGhilk=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=UACraLi+HMrbp3+qVOJCrEyHnmJPgPdkHTlRVtIRMitCqfSqU0YjjwOOXMlI5kl0q5mpg/7omx6JyLoPY5XUHYY3EOaTIyRJ1XP9RxaS7S9UbpydkTWZwDf44yyEDoA4DfJZIGDbt5+ssH8gRMf3n4FMRS7nrDCZ0Uj6hZrWt7A= 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=mkbWtNsw; 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="mkbWtNsw" Received: from localhost.localdomain (unknown [IPv6:2001:b07:5d2e:52c9:cc1e:e404:491f:e6ea]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id A84171B83; Tue, 5 Mar 2024 17:09:00 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1709654941; bh=/8RtcWddviVHUGwjp6TY/AMTXo6O4yEiTsEm4nGhilk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=mkbWtNswSWZToKGsXh8G43F2yO911v5E7rl7kfE92a4IJ21VUT3hOKtBL1ROeqAf0 z7iKdjbZnP6Ln4J9w+YSuTQ7nEY08bTMOO51AlP/MR/zOdCQ4P/l1DKpOxboFMWfm8 ltGiGYt6C76VXWyfZYwxr6+sBXozO0gqXqoQRq1Y= From: Jacopo Mondi To: Linux Media Mailing List , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: Jacopo Mondi , David Plowman , Naushir Patuck , Nick Hollinghurst , Dave Stevenson , Tomi Valkeinen , Laurent Pinchart , Kieran Bingham , Sakari Ailus , Hans Verkuil , Mauro Carvalho Chehab , devicetree@vger.kernel.org, Rob Herring Subject: [PATCH v3 7/9] media: dt-bindings: Add bindings for Raspberry Pi PiSP Back End Date: Tue, 5 Mar 2024 17:08:50 +0100 Message-ID: <20240305160855.147483-8-jacopo.mondi@ideasonboard.com> X-Mailer: git-send-email 2.43.2 In-Reply-To: <20240305160855.147483-1-jacopo.mondi@ideasonboard.com> References: <20240305160855.147483-1-jacopo.mondi@ideasonboard.com> Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Add bindings for the Raspberry Pi PiSP Back End memory-to-memory image signal processor. Datasheet: https://datasheets.raspberrypi.com/camera/raspberry-pi-image-signal-processor-specification.pdf Signed-off-by: Jacopo Mondi Reviewed-by: Rob Herring --- v2->v3: - Add back 'clock-names' as suggested by Laurent - Add Rob's ack - minor grammar/style fixes --- .../bindings/media/raspberrypi,pispbe.yaml | 68 +++++++++++++++++++ 1 file changed, 68 insertions(+) create mode 100644 Documentation/devicetree/bindings/media/raspberrypi,pispbe.yaml -- 2.43.2 diff --git a/Documentation/devicetree/bindings/media/raspberrypi,pispbe.yaml b/Documentation/devicetree/bindings/media/raspberrypi,pispbe.yaml new file mode 100644 index 000000000000..446c1e788ade --- /dev/null +++ b/Documentation/devicetree/bindings/media/raspberrypi,pispbe.yaml @@ -0,0 +1,68 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/media/raspberrypi,pispbe.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Raspberry Pi PiSP Image Signal Processor (ISP) Back End + +maintainers: + - Raspberry Pi Kernel Maintenance + - Jacopo Mondi + +description: | + The Raspberry Pi PiSP Image Signal Processor (ISP) Back End is an image + processor that fetches images in Bayer or Grayscale format from DRAM memory + in tiles and produces images consumable by applications. + + The full ISP documentation is available at + https://datasheets.raspberrypi.com/camera/raspberry-pi-image-signal-processor-specification.pdf + +properties: + compatible: + items: + - enum: + - brcm,bcm2712-pispbe + - const: raspberrypi,pispbe + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + maxItems: 1 + + clock-names: + const: aclk + + iommus: + maxItems: 1 + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + +additionalProperties: false + +examples: + - | + #include + + soc { + #address-cells = <2>; + #size-cells = <2>; + + isp@880000 { + compatible = "brcm,bcm2712-pispbe", "raspberrypi,pispbe"; + reg = <0x10 0x00880000 0x0 0x4000>; + interrupts = ; + clocks = <&firmware_clocks 7>; + clock-names = "aclk"; + iommus = <&iommu2>; + }; + };