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X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 11 Nov 2022 10:16:10.0159 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 2b539402-91c1-439a-18e1-08dac3cdc11e X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.117.160];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: BL02EPF0000EE3D.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MW4PR12MB7141 Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org 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 --- V1 -> V2:Based on the review comments. Fix some addressed issues on description, interrupts, cypress,firmware-build, connector, and additionalProperties properties. And also remove the status in the example. .../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..70db97e0ad31 --- /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 + +description: + 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: + items: + - description: cypd4226 I2C interrupt + + cypress,firmware-build: + 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# + properties: + reg: + maxItems: 1 + +unevaluatedProperties: false + +required: + - compatible + - reg + - interrupts + +examples: + - | + #include + #include + i2c { + #address-cells = <1>; + #size-cells = <0>; + #interrupt-cells = <2>; + + ucsi-ccg@8 { + compatible = "cypress,cypd4226"; + interrupt-parent = <&gpio_aon>; + interrupts = ; + reg = <0x08>; + cypress,firmware-build = "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>; + }; + }; + }; + }; + };