| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 1 | # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
| 2 | %YAML 1.2 |
| 3 | --- |
| 4 | $id: http://devicetree.org/schemas/media/i2c/chrontel,ch7322.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: Chrontel HDMI-CEC Controller |
| 8 | |
| 9 | maintainers: |
| 10 | - Jeff Chase <jnchase@google.com> |
| 11 | |
| 12 | description: |
| 13 | The Chrontel CH7322 is a discrete HDMI-CEC controller. It is |
| 14 | programmable through I2C and drives a single CEC line. |
| 15 | |
| 16 | allOf: |
| 17 | - $ref: /schemas/media/cec/cec-common.yaml# |
| 18 | |
| 19 | properties: |
| 20 | compatible: |
| 21 | const: chrontel,ch7322 |
| 22 | |
| 23 | reg: |
| 24 | description: I2C device address |
| 25 | maxItems: 1 |
| 26 | |
| 27 | clocks: |
| 28 | maxItems: 1 |
| 29 | |
| 30 | interrupts: |
| 31 | maxItems: 1 |
| 32 | |
| 33 | reset-gpios: |
| 34 | description: |
| 35 | Reference to the GPIO connected to the RESET pin, if any. This |
| 36 | pin is active-low. |
| 37 | maxItems: 1 |
| 38 | |
| 39 | standby-gpios: |
| 40 | description: |
| 41 | Reference to the GPIO connected to the OE pin, if any. When low |
| 42 | the device will respond to power status requests with "standby" |
| 43 | if in auto mode. |
| 44 | maxItems: 1 |
| 45 | |
| 46 | required: |
| 47 | - compatible |
| 48 | - reg |
| 49 | - interrupts |
| 50 | |
| 51 | unevaluatedProperties: false |
| 52 | |
| 53 | examples: |
| 54 | - | |
| 55 | #include <dt-bindings/gpio/gpio.h> |
| 56 | #include <dt-bindings/interrupt-controller/irq.h> |
| 57 | i2c { |
| 58 | #address-cells = <1>; |
| 59 | #size-cells = <0>; |
| 60 | cec@75 { |
| 61 | compatible = "chrontel,ch7322"; |
| 62 | reg = <0x75>; |
| 63 | interrupts = <47 IRQ_TYPE_EDGE_RISING>; |
| 64 | standby-gpios = <&gpio 16 GPIO_ACTIVE_LOW>; |
| 65 | reset-gpios = <&gpio 15 GPIO_ACTIVE_LOW>; |
| 66 | hdmi-phandle = <&hdmi>; |
| 67 | }; |
| 68 | }; |