On 19/01/2023 13:16, Jon Hunter wrote: > From: Wayne Chang <waynec@xxxxxxxxxx> > > Add the device-tree binding documentation for Cypress cypd4226 dual > Type-C controller. > > Signed-off-by: Wayne Chang <waynec@xxxxxxxxxx> > Signed-off-by: Jon Hunter <jonathanh@xxxxxxxxxx> > --- > V5 -> V6: no changes > V4 -> V5: updated subject and updated binding to use 'firmware-name'. > V3 -> V4: no changes > V2 -> V3: fix additionalProperties warning on new schema > V1 -> V2: based on the review comments. Fix some addressed issues on > > .../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..5d87c9f09913 > --- /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 Type-C Controller > + > +maintainers: > + - Wayne Chang <waynec@xxxxxxxxxx> > + > +description: > + The Cypress cypd4226 is a dual Type-C controller that is controlled > + via an I2C interface. > + > +properties: > + compatible: > + const: cypress,cypd4226 > + > + '#address-cells': > + const: 1 > + > + '#size-cells': > + const: 0 > + > + reg: > + const: 0x08 > + > + interrupts: > + items: > + - description: cypd4226 host interrupt > + > + firmware-name: > + enum: > + - nvidia,gpu > + - nvidia,jetson-agx-xavier > + description: | > + The name of the CCGx firmware built for product series. > + should be set one of following: > + - "nvidia,gpu" for the NVIDIA RTX product series > + - "nvidia,jetson-agx-xavier" for the NVIDIA Jetson product series > + > +patternProperties: > + '^connector@[0-1]+$': > + $ref: /schemas/connector/usb-connector.yaml# On this level: unevaluatedProperties: false > + properties: > + reg: > + maxItems: 1 > + > +required: > + - compatible > + - reg > + - interrupts > + > +additionalProperties: false > + > +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>; Drop, does not look like relevant or used here. > + > + ucsi-ccg@8 { Node names should be generic. https://devicetree-specification.readthedocs.io/en/latest/chapter2-devicetree-basics.html#generic-names-recommendation > + compatible = "cypress,cypd4226"; > + reg = <0x08>; > + interrupt-parent = <&gpio_aon>; > + interrupts = <TEGRA194_AON_GPIO(BB, 2) IRQ_TYPE_LEVEL_LOW>; > + firmware-name = "nvidia,jetson-agx-xavier"; > + #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>; > + }; > + }; > + }; > + }; > + }; Best regards, Krzysztof
