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[188.217.50.121]) by smtp.gmail.com with ESMTPSA id y8-20020a170906558800b00974c32c9a75sm373690ejp.216.2023.06.08.01.32.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 08 Jun 2023 01:32:07 -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, Tommaso Merciai , Mauro Carvalho Chehab , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Liam Girdwood , Mark Brown , Sakari Ailus , Hans Verkuil , Marco Felsch , Gerald Loacker , Shawn Tu , =?UTF-8?q?Krzysztof=20Ha=C5=82asa?= , Linus Walleij , Nicholas Roth , Mikhail Rudenko , Benjamin Mugnier , linux-media@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v5 2/3] media: dt-bindings: alvium: add document YAML binding Date: Thu, 8 Jun 2023 10:31:15 +0200 Message-Id: <20230608083127.545750-3-tomm.merciai@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230608083127.545750-1-tomm.merciai@gmail.com> References: <20230608083127.545750-1-tomm.merciai@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM, RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net To: unlisted-recipients:; (no To-header on input) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 --- 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=alliedvision,alvium-csi2.yaml .../media/i2c/alliedvision,alvium-csi2.yaml | 97 +++++++++++++++++++ 1 file changed, 97 insertions(+) create mode 100644 Documentation/devicetree/bindings/media/i2c/alliedvision,alvium-csi2.yaml diff --git a/Documentation/devicetree/bindings/media/i2c/alliedvision,alvium-csi2.yaml b/Documentation/devicetree/bindings/media/i2c/alliedvision,alvium-csi2.yaml new file mode 100644 index 000000000000..c771e5039641 --- /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 larger than 0, 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 = <1>; + #size-cells = <0>; + + alvium: camera@3c { + compatible = "alliedvision,alvium-csi2"; + reg = <0x3c>; + vcc-ext-in-supply = <®_vcc_ext_in>; + alliedvision,lp2hs-delay-us = <20>; + + port { + alvium_out: endpoint { + remote-endpoint = <&mipi_csi_0_in>; + data-lanes = <1 2 3 4>; + link-frequencies = /bits/ 64 <681250000>; + }; + }; + }; + }; + +... -- 2.34.1