On Mon, Oct 24, 2022 at 03:41:20PM +0800, Wayne Chang wrote: > add device-tree binding documentation for Cypress cypd4226 type-C > controller's I2C interface. It is a standard i2c slave with GPIO > input as IRQ interface. > > Signed-off-by: Wayne Chang <waynec@xxxxxxxxxx> > --- > .../bindings/usb/cypress,cypd4226.yaml | 86 +++++++++++++++++++ > 1 file changed, 86 insertions(+) > create mode 100644 Documentation/devicetree/bindings/usb/cypress,cypd4226.yaml > > diff --git a/Documentation/devicetree/bindings/usb/cypress,cypd4226.yaml b/Documentation/devicetree/bindings/usb/cypress,cypd4226.yaml > new file mode 100644 > index 000000000000..5ac28ab4e7a1 > --- /dev/null > +++ b/Documentation/devicetree/bindings/usb/cypress,cypd4226.yaml > @@ -0,0 +1,86 @@ > +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/usb/cypress,cypd4226.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Cypress cypd4226 UCSI I2C Type-C Controller > + > +maintainers: > + - Wayne Chang <waynec@xxxxxxxxxx> > + > +description: | Don't need '|'. > + The Cypress cypd4226 UCSI I2C type-C controller is a I2C interface type-C > + controller. > + > +properties: > + compatible: > + const: cypress,cypd4226 > + > + '#address-cells': > + const: 1 > + > + '#size-cells': > + const: 0 > + > + reg: > + const: 0x08 > + > + interrupts: > + maxItems: 1 > + > + cypress,firmware-build: > + enum: > + - nv > + - gn > + description: | > + the name of the CCGx firmware built for product series. > + should be set one of following: > + - "nv" for the RTX product series > + - "gn" for the Jetson product series > + > +patternProperties: > + '^connector@[0-9a-f]+$': Looks like the part only has 2 PD controllers, so 2 connectors only, right? > + $ref: /schemas/connector/usb-connector.yaml# unevaluatedProperties: false > + properties: > + reg: > + maxItems: 1 maximum: 1 > + > +required: > + - compatible > + - reg > + - interrupts > + > +additionalProperties: true false true is only for incomplete, common schemas. > + > +examples: > + - | > + #include <dt-bindings/gpio/tegra194-gpio.h> > + #include <dt-bindings/interrupt-controller/arm-gic.h> > + i2c { > + #address-cells = <1>; > + #size-cells = <0>; > + #interrupt-cells = <2>; > + > + ucsi_ccg: ucsi_ccg@8 { > + compatible = "cypress,cypd4226"; > + interrupt-parent = <&gpio_aon>; > + interrupts = <TEGRA194_AON_GPIO(BB, 2) IRQ_TYPE_LEVEL_LOW>; > + reg = <0x08>; > + cypress,firmware-build = "gn"; > + status = "okay"; Don't need status in examples. > + #address-cells = <1>; > + #size-cells = <0>; > + ccg_typec_con0: connector@0 { > + compatible = "usb-c-connector"; > + reg = <0>; > + label = "USB-C"; > + data-role = "dual"; > + port { > + ucsi_ccg_p0: endpoint { > + remote-endpoint = <&usb_role_switch0>; > + }; > + }; > + }; > + }; > + }; > -- > 2.25.1 > >
