Commit 7f52faab authored by Jeff Chase's avatar Jeff Chase Committed by Mauro Carvalho Chehab
Browse files

media: dt-bindings: Add ch7322 media i2c device



The ch7322 is a Chrontel CEC controller.

Signed-off-by: default avatarJeff Chase <jnchase@google.com>
Reviewed-by: default avatarRob Herring <robh@kernel.org>
Signed-off-by: default avatarHans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab+huawei@kernel.org>
parent c92d30e4
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# 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.

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

  # see ../cec.txt
  hdmi-phandle:
    description: phandle to the HDMI controller

required:
  - compatible
  - reg
  - interrupts

examples:
  - |
    #include <dt-bindings/gpio/gpio.h>
    #include <dt-bindings/interrupt-controller/irq.h>
    i2c {
      #address-cells = <1>;
      #size-cells = <0>;
      ch7322@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>;
      };
    };
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@@ -4101,6 +4101,13 @@ F: drivers/power/supply/cros_usbpd-charger.c
N:	cros_ec
N:	cros-ec
CHRONTEL CH7322 CEC DRIVER
M:	Jeff Chase <jnchase@google.com>
L:	linux-media@vger.kernel.org
S:	Maintained
T:	git git://linuxtv.org/media_tree.git
F:	Documentation/devicetree/bindings/media/i2c/chontel,ch7322.yaml
CIRRUS LOGIC AUDIO CODEC DRIVERS
M:	James Schulman <james.schulman@cirrus.com>
M:	David Rhodes <david.rhodes@cirrus.com>