On Thu, May 28, 2020 at 11:00:11PM -0400, Jeff Chase wrote: > 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..d5706e08164c > --- /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 > +--- > +$id: "http://devicetree.org/schemas/media/i2c/chrontel,ch7322.yaml#"; > +$schema: "http://devicetree.org/meta-schemas/core.yaml#"; > + > +title: Chrontel HDMI-CEC Controller > + > +maintainers: > + - Jeff Chase <jnchase@xxxxxxxxxx> > + > +description: |- Can drop the '|-' as you don't need any formatting. > + 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. How many? (maxItems: 1) > + > + standby-gpios: How many? > + 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> > -- > 2.27.0.rc0.183.gde8f92d652-goog >
