Files
linux/Documentation/devicetree/bindings/media/i2c/chrontel,ch7322.yaml
Krzysztof Kozlowski d358c05bf3 media: dt-bindings: chrontel,ch7322: reference common CEC properties
Reference common HDMI CEC adapter properties to simplify the binding and
have only one place of definition for common properties.  The common CEC
binding expects also node name to be 'cec'.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
2023-02-08 07:44:18 +01:00

69 lines
1.5 KiB
YAML

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: "http://devicetree.org/schemas/media/i2c/chrontel,ch7322.yaml#"
$schema: "http://devicetree.org/meta-schemas/core.yaml#"
title: Chrontel HDMI-CEC Controller
maintainers:
- Jeff Chase <jnchase@google.com>
description:
The Chrontel CH7322 is a discrete HDMI-CEC controller. It is
programmable through I2C and drives a single CEC line.
allOf:
- $ref: /schemas/media/cec/cec-common.yaml#
properties:
compatible:
const: chrontel,ch7322
reg:
description: I2C device address
maxItems: 1
clocks:
maxItems: 1
interrupts:
maxItems: 1
reset-gpios:
description:
Reference to the GPIO connected to the RESET pin, if any. This
pin is active-low.
maxItems: 1
standby-gpios:
description:
Reference to the GPIO connected to the OE pin, if any. When low
the device will respond to power status requests with "standby"
if in auto mode.
maxItems: 1
required:
- compatible
- reg
- interrupts
unevaluatedProperties: false
examples:
- |
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/interrupt-controller/irq.h>
i2c {
#address-cells = <1>;
#size-cells = <0>;
cec@75 {
compatible = "chrontel,ch7322";
reg = <0x75>;
interrupts = <47 IRQ_TYPE_EDGE_RISING>;
standby-gpios = <&gpio 16 GPIO_ACTIVE_LOW>;
reset-gpios = <&gpio 15 GPIO_ACTIVE_LOW>;
hdmi-phandle = <&hdmi>;
};
};