| # 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>; |
| }; |
| }; |