From: Maxime Chevallier <maxime.chevallier@bootlin.com>
To: Mauro Carvalho Chehab <mchehab@kernel.org>,
Rob Herring <robh+dt@kernel.org>,
Hans Verkuil <hverkuil-cisco@xs4all.nl>
Cc: Maxime Chevallier <maxime.chevallier@bootlin.com>,
linux-media@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org,
Thomas Petazzoni <thomas.petazzoni@bootlin.com>,
Miquel Raynal <miquel.raynal@bootlin.com>,
Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Subject: [PATCH v5 2/3] media: dt-bindings: media: i2c: Add bindings for TW9900
Date: Thu, 1 Apr 2021 09:08:01 +0200 [thread overview]
Message-ID: <20210401070802.1685823-3-maxime.chevallier@bootlin.com> (raw)
In-Reply-To: <20210401070802.1685823-1-maxime.chevallier@bootlin.com>
The Techwell TW9900 is a video decoder supporting multiple input
standards, such as PAL, NTSC and SECAM, and outputs a BT.656 video
signal.
It's designed to be low-power, posesses some features such as a
programmable comb-filter, and automatic input standard detection.
Signed-off-by: Maxime Chevallier <maxime.chevallier@bootlin.com>
---
V2->V3 : Fix the example not compiling due to a typo in the reset-gpios
node.
V3->V4 : Add the missing reset-gpios node to the binding
V4->V5 : Renamed the file to match the compatible string, and referenced
the graph.yaml schema
.../bindings/media/i2c/techwell,tw9900.yaml | 63 +++++++++++++++++++
1 file changed, 63 insertions(+)
create mode 100644 Documentation/devicetree/bindings/media/i2c/techwell,tw9900.yaml
diff --git a/Documentation/devicetree/bindings/media/i2c/techwell,tw9900.yaml b/Documentation/devicetree/bindings/media/i2c/techwell,tw9900.yaml
new file mode 100644
index 000000000000..b5047c26f0cb
--- /dev/null
+++ b/Documentation/devicetree/bindings/media/i2c/techwell,tw9900.yaml
@@ -0,0 +1,63 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/media/i2c/techwell,tw9900.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Techwell TW9900 NTSC/PAL/SECAM video decoder
+
+maintainers:
+ - Maxime Chevallier <maxime.chevallier@bootlin.com>
+
+description:
+ The tw9900 is a multi-standard video decoder, supporting NTSC, PAL and SECAM
+ standards with auto-detection features.
+
+properties:
+ compatible:
+ items:
+ - enum:
+ - techwell,tw9900
+
+ reg:
+ maxItems: 1
+
+ vdd-supply:
+ description: VDD power supply
+
+ reset-gpios:
+ description: GPIO descriptor for the RESET input pin
+ maxItems: 1
+
+ port:
+ $ref: /schemas/graph.yaml#/properties/port
+ description:
+ Video port for the decoder output.
+
+additionalProperties: false
+
+required:
+ - compatible
+ - reg
+
+examples:
+ - |
+ #include <dt-bindings/gpio/gpio.h>
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ tw9900: tw9900@44 {
+ compatible = "techwell,tw9900";
+ reg = <0x44>;
+
+ vdd-supply = <&tw9900_supply>;
+ reset-gpios = <&gpio2 5 GPIO_ACTIVE_LOW>;
+
+ port {
+ tw9900_out: endpoint {
+ remote-endpoint = <&vip_in>;
+ };
+ };
+ };
+ };
--
2.25.4
next prev parent reply other threads:[~2021-04-01 7:08 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-01 7:07 [PATCH v5 0/3] media: i2c: Introduce driver for the TW9900 decoder Maxime Chevallier
2021-04-01 7:08 ` [PATCH v5 1/3] dt-bindings: vendor-prefixes: Add techwell vendor prefix Maxime Chevallier
2021-04-01 7:08 ` Maxime Chevallier [this message]
2021-04-01 16:37 ` [PATCH v5 2/3] media: dt-bindings: media: i2c: Add bindings for TW9900 Rob Herring
2021-04-01 7:08 ` [PATCH v5 3/3] media: i2c: Introduce a driver for the Techwell TW9900 decoder Maxime Chevallier
2021-04-06 13:36 ` Hans Verkuil
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