From nobody Mon Feb 9 08:28:50 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 21F00EB64D7 for ; Fri, 16 Jun 2023 09:58:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244552AbjFPJ6O (ORCPT ); Fri, 16 Jun 2023 05:58:14 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33594 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234233AbjFPJ55 (ORCPT ); Fri, 16 Jun 2023 05:57:57 -0400 Received: from mail-ej1-x629.google.com (mail-ej1-x629.google.com [IPv6:2a00:1450:4864:20::629]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D12FF2D60; Fri, 16 Jun 2023 02:57:55 -0700 (PDT) Received: by mail-ej1-x629.google.com with SMTP id a640c23a62f3a-985b04c46caso73969966b.0; Fri, 16 Jun 2023 02:57:55 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1686909474; x=1689501474; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=8JqijGATevexodiqwpgWWh8neUeu+NISOC/UOfLz2IU=; b=Qd0RqYeSJt5XFXwT9bL0N8gU1e2WUCiaLqTl4TaHUW7EN29mIBLlWbyL/ej8TmF8pm qT+/F0PFFvKgeCCo1XEcNq7PYgiwUEn1fE02Jdo8xvuyYq+L4QnNzEtzAxpWUtCh6gOY UBhXUIqPq9j2Bq3i7bfX+ixKLK6xjraZKkhitT74oplzUGFoz5JqjgW/Qy17eRzCgFrJ wT5nMFaLkzbeWp8pFfJTZfxVuCNC3PhADjmQYoXhEOeGCrvOIDy7NMr3KsIEmKyo6dcz 5hD9C9Fvc6n3YlVhPKSyt758xnRg7IBzs+TLwV7yrB+wyRfXUWpIEYjjqUX4Ceai74uf zjyg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1686909474; x=1689501474; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=8JqijGATevexodiqwpgWWh8neUeu+NISOC/UOfLz2IU=; b=aK+ZBA/w1Vt9VP5R6xhz7pNUBhnuCnrA8NQ8PKNwMnKYTtSTmSlK6ssMer7cWG3mQy 815UKfyl8yunuJAsdQ0arV+XjgHC8Z50uFPrcnkPW0j4QHuc5HrWf12XDCC5TGuonUe3 y9mW5BSSdLo2uoBZ8bMilyNCpbSOZkUj1pVu1Tl3scMR0hh078RrAvY1MiJzRgDWqRlX ULpBuwL57JLrDFjGkFtlNJhZFuo2GAxpjDMeLG7MgubYOubud7GOK9SmtKCRefvCV+mC ctQy7Dqp/7BiVR2zmD22JsuFDgrO+re4dTKsffmHkKo5YGW1Or/HB5c8FQlsIY8M95fC YiaQ== X-Gm-Message-State: AC+VfDxRjW1kKTmjgWVKABK6wGEJOdy0ORATGGvN/LNHy5yCkPy7HeF+ u8qQOMNvuGHryN3N9JlEnS8= X-Google-Smtp-Source: ACHHUZ454icz9WJcTgrloCGPUhxRn9u8emRS9gWvgQOIK2r0FGddlIUycuU7dhI/lEH/Lf042aq47Q== X-Received: by 2002:a17:906:db0d:b0:977:abac:9635 with SMTP id xj13-20020a170906db0d00b00977abac9635mr1299464ejb.20.1686909474080; Fri, 16 Jun 2023 02:57:54 -0700 (PDT) Received: from tom-HP-ZBook-Fury-15-G7-Mobile-Workstation.station (net-2-39-142-242.cust.vodafonedsl.it. [2.39.142.242]) by smtp.gmail.com with ESMTPSA id v22-20020a1709063bd600b0098314c30e8fsm1110083ejf.46.2023.06.16.02.57.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 16 Jun 2023 02:57:53 -0700 (PDT) From: Tommaso Merciai Cc: jacopo.mondi@ideasonboard.com, laurent.pinchart@ideasonboard.com, martin.hecht@avnet.eu, michael.roeder@avnet.eu, linuxfancy@googlegroups.com, hdegoede@redhat.com, Tommaso Merciai , Conor Dooley , Mauro Carvalho Chehab , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Liam Girdwood , Mark Brown , Sakari Ailus , Hans Verkuil , Marco Felsch , Gerald Loacker , Nicholas Roth , Mikhail Rudenko , Linus Walleij , Dmitry Torokhov , Shawn Tu , Benjamin Mugnier , =?UTF-8?q?Krzysztof=20Ha=C5=82asa?= , linux-media@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v6 2/3] media: dt-bindings: alvium: add document YAML binding Date: Fri, 16 Jun 2023 11:57:00 +0200 Message-Id: <20230616095713.187544-3-tomm.merciai@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230616095713.187544-1-tomm.merciai@gmail.com> References: <20230616095713.187544-1-tomm.merciai@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable To: unlisted-recipients:; (no To-header on input) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Add documentation of device tree in YAML schema for the ALVIUM Camera from Allied Vision Inc. References: - https://www.alliedvision.com/en/products/embedded-vision-solutions Signed-off-by: Tommaso Merciai Reviewed-by: Laurent Pinchart Reviewed-by: Conor Dooley --- Changes since v1: - Fixed build error as suggested by RHerring bot Changes since v2: - Fixed License as suggested by KKozlowski/CDooley - Removed rotation property as suggested by CDooley/LPinchart - Fixed example node name as suggested by CDooley - Fixed title as suggested by LPinchart - Fixed compatible name as suggested by LPinchart - Removed clock as suggested by LPinchart - Removed gpios not as suggested by LPinchart - Renamed property name streamon-delay into alliedvision,lp2hs-delay-us - Fixed vendor prefix, unit append as suggested by KKozlowski - Fixed data-lanes - Fixed blank space + example indentation (from 6 -> 4 space) as suggested= by KKozlowski - Dropped status into example as suggested by KKozlowski - Added vcc-ext-in supply as suggested by LPinchart - Dropped pinctrl into example as suggested by LPinchart Changes since v3: - Fixed vcc-ext-in-supply description as suggested by LPinchart - Fixed alliedvision,lp2hs-delay-us description as suggested by LPinchart - Added maximum to alliedvision,lp2hs-delay-us as suggested by LPinchart - Collected Reviewed-by tag from LPinchart Changes since v4: - Fixed id as reported by RHerring bot and LPinchart - Add minimum into alliedvision,lp2hs-delay-us as suggested by CDooley - Tested using make dt_binding_check DT_SCHEMA_FILES=3Dalliedvision,alvium= -csi2.yaml Changes since v5: - Fixed alliedvision,lp2hs-delay-us description as suggested by CDooley - Collected CDooley Reviewed-by tag .../media/i2c/alliedvision,alvium-csi2.yaml | 97 +++++++++++++++++++ 1 file changed, 97 insertions(+) create mode 100644 Documentation/devicetree/bindings/media/i2c/alliedvisio= n,alvium-csi2.yaml diff --git a/Documentation/devicetree/bindings/media/i2c/alliedvision,alviu= m-csi2.yaml b/Documentation/devicetree/bindings/media/i2c/alliedvision,alvi= um-csi2.yaml new file mode 100644 index 000000000000..327cd5421257 --- /dev/null +++ b/Documentation/devicetree/bindings/media/i2c/alliedvision,alvium-csi2.= yaml @@ -0,0 +1,97 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/media/i2c/alliedvision,alvium-csi2.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Allied Vision Alvium Camera + +maintainers: + - Tommaso Merciai + - Martin Hecht + +allOf: + - $ref: /schemas/media/video-interface-devices.yaml# + +properties: + compatible: + const: alliedvision,alvium-csi2 + + reg: + maxItems: 1 + + vcc-ext-in-supply: + description: | + The regulator that supplies power to the VCC_EXT_IN pins. + + alliedvision,lp2hs-delay-us: + minimum: 1 + maximum: 150000 + description: | + Low power to high speed delay time. + + If the value is present, the camera forces a reset of all + D-PHY lanes for the duration specified by this property. All lanes + will transition to the low-power state and back to the high-speed + state after the delay. Otherwise the lanes will transition to and + remain in the high-speed state immediately after power on. + + This is meant to help CSI-2 receivers synchronizing their D-PHY + RX. + + port: + description: Digital Output Port + $ref: /schemas/graph.yaml#/$defs/port-base + additionalProperties: false + + properties: + endpoint: + $ref: /schemas/media/video-interfaces.yaml# + unevaluatedProperties: false + + properties: + link-frequencies: true + + data-lanes: + minItems: 1 + items: + - const: 1 + - const: 2 + - const: 3 + - const: 4 + + required: + - data-lanes + - link-frequencies + +required: + - compatible + - reg + - vcc-ext-in-supply + - port + +additionalProperties: false + +examples: + - | + i2c { + #address-cells =3D <1>; + #size-cells =3D <0>; + + alvium: camera@3c { + compatible =3D "alliedvision,alvium-csi2"; + reg =3D <0x3c>; + vcc-ext-in-supply =3D <®_vcc_ext_in>; + alliedvision,lp2hs-delay-us =3D <20>; + + port { + alvium_out: endpoint { + remote-endpoint =3D <&mipi_csi_0_in>; + data-lanes =3D <1 2 3 4>; + link-frequencies =3D /bits/ 64 <681250000>; + }; + }; + }; + }; + +... --=20 2.34.1