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Message-ID: <20210714021904.GA1312716@robh.at.kernel.org>
Date: Tue, 13 Jul 2021 20:19:04 -0600
From: Rob Herring <robh@...nel.org>
To: Stefan Riedmueller <s.riedmueller@...tec.de>
Cc: Laurent Pinchart <laurent.pinchart@...asonboard.com>,
Mauro Carvalho Chehab <mchehab@...nel.org>,
Sakari Ailus <sakari.ailus@...ux.intel.com>,
linux-media@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH v5 5/6] media: dt-bindings: mt9p031: Convert bindings to
yaml
On Mon, Jul 12, 2021 at 10:55:34AM +0200, Stefan Riedmueller wrote:
> Convert mt9p031 sensor bindings to yaml schema. Also update the
> MAINTAINERS entry.
>
> Although input-clock-frequency and pixel-clock-frequency have not been
> definded as endpoint propierties in the textual bindings, the sensor
> does parse them from the endpoint. Thus move these properties to the
> endpoint in the new yaml bindings.
>
> Signed-off-by: Stefan Riedmueller <s.riedmueller@...tec.de>
> ---
> .../bindings/media/i2c/aptina,mt9p031.yaml | 75 +++++++++++++++++++
> .../devicetree/bindings/media/i2c/mt9p031.txt | 40 ----------
> MAINTAINERS | 1 +
> 3 files changed, 76 insertions(+), 40 deletions(-)
> create mode 100644 Documentation/devicetree/bindings/media/i2c/aptina,mt9p031.yaml
> delete mode 100644 Documentation/devicetree/bindings/media/i2c/mt9p031.txt
>
> diff --git a/Documentation/devicetree/bindings/media/i2c/aptina,mt9p031.yaml b/Documentation/devicetree/bindings/media/i2c/aptina,mt9p031.yaml
> new file mode 100644
> index 000000000000..ad9a2db73d86
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/media/i2c/aptina,mt9p031.yaml
> @@ -0,0 +1,75 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/media/i2c/aptina,mt9p031.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Aptina 1/2.5-Inch 5Mp CMOS Digital Image Sensor
> +
> +maintainers:
> + - Laurent Pinchart <laurent.pinchart@...asonboard.com>
> +
> +description: |
> + The Aptina MT9P031 is a 1/2.5-inch CMOS active pixel digital image sensor
> + with an active array size of 2592H x 1944V. It is programmable through a
> + simple two-wire serial interface.
> +
> +properties:
> + compatible:
> + enum:
> + - aptina,mt9p031
> + - aptina,mt9p031m
> +
> + reg:
> + description: I2C device address
> + maxItems: 1
> +
> + reset-gpios:
> + maxItems: 1
> + description: Chip reset GPIO
> +
> + port:
> + $ref: /schemas/graph.yaml#/$defs/port-base
> + additionalProperties: false
> +
> + properties:
> + endpoint:
> + $ref: /schemas/media/video-interfaces.yaml#
Doesn't look like you use any properties from video-interfaces.yaml. You
should just reference graph.yaml#/$defs/endpoint-base instead.
> + unevaluatedProperties: false
> +
> + properties:
> + input-clock-frequency: true
> + pixel-clock-frequency: true
These are custom properties, so they need a type, description, and any
constraints.
> +
> + required:
> + - input-clock-frequency
> + - pixel-clock-frequency
> +
> +required:
> + - compatible
> + - reg
> + - port
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> + i2c0 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + mt9p031@5d {
> + compatible = "aptina,mt9p031";
> + reg = <0x5d>;
> + reset-gpios = <&gpio_sensor 0 0>;
> +
> + port {
> + mt9p031_1: endpoint {
> + input-clock-frequency = <6000000>;
> + pixel-clock-frequency = <96000000>;
> + };
> + };
> + };
> + };
> +
> +...
> diff --git a/Documentation/devicetree/bindings/media/i2c/mt9p031.txt b/Documentation/devicetree/bindings/media/i2c/mt9p031.txt
> deleted file mode 100644
> index cb60443ff78f..000000000000
> --- a/Documentation/devicetree/bindings/media/i2c/mt9p031.txt
> +++ /dev/null
> @@ -1,40 +0,0 @@
> -* Aptina 1/2.5-Inch 5Mp CMOS Digital Image Sensor
> -
> -The Aptina MT9P031 is a 1/2.5-inch CMOS active pixel digital image sensor with
> -an active array size of 2592H x 1944V. It is programmable through a simple
> -two-wire serial interface.
> -
> -Required Properties:
> -- compatible: value should be either one among the following
> - (a) "aptina,mt9p031" for mt9p031 sensor
> - (b) "aptina,mt9p031m" for mt9p031m sensor
> -
> -- input-clock-frequency: Input clock frequency.
> -
> -- pixel-clock-frequency: Pixel clock frequency.
> -
> -Optional Properties:
> -- reset-gpios: Chip reset GPIO
> -
> -For further reading on port node refer to
> -Documentation/devicetree/bindings/media/video-interfaces.txt.
> -
> -Example:
> -
> - i2c0@...2000 {
> - ...
> - ...
> - mt9p031@5d {
> - compatible = "aptina,mt9p031";
> - reg = <0x5d>;
> - reset-gpios = <&gpio3 30 0>;
> -
> - port {
> - mt9p031_1: endpoint {
> - input-clock-frequency = <6000000>;
> - pixel-clock-frequency = <96000000>;
> - };
> - };
> - };
> - ...
> - };
> diff --git a/MAINTAINERS b/MAINTAINERS
> index a61f4f3b78a9..33dd81237a91 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -12635,6 +12635,7 @@ M: Laurent Pinchart <laurent.pinchart@...asonboard.com>
> L: linux-media@...r.kernel.org
> S: Maintained
> T: git git://linuxtv.org/media_tree.git
> +F: Documentation/devicetree/bindings/media/i2c/aptina,mt9p031.yaml
> F: drivers/media/i2c/mt9p031.c
> F: include/media/i2c/mt9p031.h
>
> --
> 2.25.1
>
>
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