The ch7322 is a Chrontel CEC controller. Signed-off-by: Jeff Chase <jnchase@xxxxxxxxxx> --- .../bindings/media/i2c/chrontel,ch7322.yaml | 65 +++++++++++++++++++ .../devicetree/bindings/vendor-prefixes.yaml | 2 + MAINTAINERS | 7 ++ 3 files changed, 74 insertions(+) create mode 100644 Documentation/devicetree/bindings/media/i2c/chrontel,ch7322.yaml diff --git a/Documentation/devicetree/bindings/media/i2c/chrontel,ch7322.yaml b/Documentation/devicetree/bindings/media/i2c/chrontel,ch7322.yaml new file mode 100644 index 000000000000..d78e355e411a --- /dev/null +++ b/Documentation/devicetree/bindings/media/i2c/chrontel,ch7322.yaml @@ -0,0 +1,65 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/media/i2c/ch7322.yaml#"; +$schema: "http://devicetree.org/meta-schemas/core.yaml#"; + +title: Chrontel HDMI-CEC Controller + +maintainers: + - Jeff Chase <jnchase@xxxxxxxxxx> + +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. + + 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. + + # 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>; + }; + }; diff --git a/Documentation/devicetree/bindings/vendor-prefixes.yaml b/Documentation/devicetree/bindings/vendor-prefixes.yaml index d3891386d671..7794ffccd325 100644 --- a/Documentation/devicetree/bindings/vendor-prefixes.yaml +++ b/Documentation/devicetree/bindings/vendor-prefixes.yaml @@ -187,6 +187,8 @@ patternProperties: description: ChipOne "^chipspark,.*": description: ChipSPARK + "^chrontel,.*": + description: Chrontel, Inc. "^chrp,.*": description: Common Hardware Reference Platform "^chunghwa,.*": diff --git a/MAINTAINERS b/MAINTAINERS index d633a131dcd7..34c6d30e61e5 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -4047,6 +4047,13 @@ F: drivers/power/supply/cros_usbpd-charger.c N: cros_ec N: cros-ec +CHRONTEL CH7322 CEC DRIVER +M: Jeff Chase <jnchase@xxxxxxxxxx> +L: linux-media@xxxxxxxxxxxxxxx +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@xxxxxxxxxx> M: David Rhodes <david.rhodes@xxxxxxxxxx> -- 2.26.2.761.g0e0b3e54be-goog
