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Message-Id: <20231204094719.190334-3-tomm.merciai@gmail.com>
Date: Mon, 4 Dec 2023 10:47:15 +0100
From: Tommaso Merciai <tomm.merciai@...il.com>
To: unlisted-recipients:; (no To-header on input)
Cc: laurent.pinchart@...asonboard.com, martin.hecht@...et.eu,
michael.roeder@...et.eu, linuxfancy@...glegroups.com,
mhecht73@...il.com, sakari.ailus@...ux.intel.com,
christophe.jaillet@...adoo.fr,
Tommaso Merciai <tomm.merciai@...il.com>,
Conor Dooley <conor.dooley@...rochip.com>,
Mauro Carvalho Chehab <mchehab@...nel.org>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Conor Dooley <conor+dt@...nel.org>,
Liam Girdwood <lgirdwood@...il.com>,
Mark Brown <broonie@...nel.org>,
Hans de Goede <hdegoede@...hat.com>,
Hans Verkuil <hverkuil-cisco@...all.nl>,
Tomi Valkeinen <tomi.valkeinen@...asonboard.com>,
Alain Volmat <alain.volmat@...s.st.com>,
Paul Elder <paul.elder@...asonboard.com>,
Gerald Loacker <gerald.loacker@...fvision.net>,
Andy Shevchenko <andy.shevchenko@...il.com>,
Nicholas Roth <nicholas@...hemail.net>,
Linus Walleij <linus.walleij@...aro.org>,
linux-media@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: [PATCH v15 2/3] media: dt-bindings: alvium: add document YAML binding
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 <tomm.merciai@...il.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@...asonboard.com>
Reviewed-by: Conor Dooley <conor.dooley@...rochip.com>
---
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
Changes since v5:
- Fixed alliedvision,lp2hs-delay-us description as suggested by CDooley
- Collected CDooley Reviewed-by tag
Changes since v9:
- Removed alliedvision,lp2hs-delay-us property as suggested by SAilus
.../media/i2c/alliedvision,alvium-csi2.yaml | 81 +++++++++++++++++++
1 file changed, 81 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..d3329e991d16
--- /dev/null
+++ b/Documentation/devicetree/bindings/media/i2c/alliedvision,alvium-csi2.yaml
@@ -0,0 +1,81 @@
+# 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 <tomm.merciai@...il.com>
+ - Martin Hecht <martin.hecht@...et.eu>
+
+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.
+
+ 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>;
+
+ port {
+ alvium_out: endpoint {
+ remote-endpoint = <&mipi_csi_0_in>;
+ data-lanes = <1 2 3 4>;
+ link-frequencies = /bits/ 64 <681250000>;
+ };
+ };
+ };
+ };
+
+...
--
2.34.1
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