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SubjectRe: [PATCH v9 03/15] dt-bindings: usb: Maxim type-c controller device tree binding document
On Mon, Sep 28, 2020 at 07:39:52PM -0700, Badhri Jagan Sridharan wrote:
> Add device tree binding document for Maxim TCPCI based Type-C chip driver
>
> Signed-off-by: Badhri Jagan Sridharan <badhri@google.com>
> ---
> Changes since v1:
> - Changing patch version to v6 to fix version number confusion.
>
> Changes since v6:
> - Migrated to yaml format.
>
> Changes since v7:
> - Rebase on usb-next
>
> Changes since v8:
> - Fix errors from make dt_binding_check as suggested by
> Rob Herring.
> ---
> .../devicetree/bindings/usb/maxim,tcpci.yaml | 68 +++++++++++++++++++
> 1 file changed, 68 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/usb/maxim,tcpci.yaml
>
> diff --git a/Documentation/devicetree/bindings/usb/maxim,tcpci.yaml b/Documentation/devicetree/bindings/usb/maxim,tcpci.yaml
> new file mode 100644
> index 000000000000..f4b5f1a09b98
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/usb/maxim,tcpci.yaml
> @@ -0,0 +1,68 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: "http://devicetree.org/schemas/usb/maxim,tcpci.yaml#"
> +$schema: "http://devicetree.org/meta-schemas/core.yaml#"
> +
> +title: Maxim TCPCI Type-C PD controller DT bindings
> +
> +maintainers:
> + - Badhri Jagan Sridharan <badhri@google.com>
> +
> +description: Maxim TCPCI Type-C PD controller
> +
> +properties:
> + compatible:
> + enum:
> + - maxim,tcpci

Is there a datasheet for this? Searching for 'tcpci' doesn't really come
up with anything other than this patch. Only chip I found is MAX77958.
Bindings are for specific h/w devices.

> +
> + interrupts:
> + maxItems: 1
> +
> + connector:
> + type: object
> + $ref: ../connector/usb-connector.yaml#
> + description:
> + Properties for usb c connector.
> +
> +required:
> + - compatible
> + - reg
> + - interrupts

additionalProperties: false

> +
> +examples:
> + - |
> + #include <dt-bindings/interrupt-controller/irq.h>
> + #include <dt-bindings/usb/pd.h>
> + i2c0 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + maxtcpc@25 {
> + compatible = "maxim,tcpc";
> + reg = <0x25>;
> + interrupt-parent = <&gpa8>;
> + interrupts = <2 IRQ_TYPE_LEVEL_LOW>;
> +
> + connector {
> + compatible = "usb-c-connector";
> + label = "USB-C";
> + data-role = "dual";
> + power-role = "dual";
> + try-power-role = "sink";
> + self-powered;
> + op-sink-microwatt = <2600000>;
> + source-pdos = <PDO_FIXED(5000, 900,
> + PDO_FIXED_SUSPEND |
> + PDO_FIXED_USB_COMM |
> + PDO_FIXED_DATA_SWAP |
> + PDO_FIXED_DUAL_ROLE)>;
> + sink-pdos = <PDO_FIXED(5000, 3000,
> + PDO_FIXED_USB_COMM |
> + PDO_FIXED_DATA_SWAP |
> + PDO_FIXED_DUAL_ROLE)
> + PDO_FIXED(9000, 2000, 0)>;
> + };
> + };
> + };
> +...
> --
> 2.28.0.709.gb0816b6eb0-goog
>

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