[PATCH v3 3/6] dt-bindings: usb: dwc3-imx8mp: add imx8mp dwc3 glue bindings
Krzysztof Kozlowski
krzk at kernel.org
Tue Sep 22 10:32:44 EDT 2020
On Tue, 22 Sep 2020 at 12:56, Li Jun <jun.li at nxp.com> wrote:
>
> NXP imx8mp integrates 2 dwc3 3.30b IP and add some wakeup logic
> to support low power mode, the glue layer is for this wakeup
> functionality, which has a separated interrupt, can support
> wakeup from U3 and connect events for host, and vbus wakeup for
> device.
>
> Signed-off-by: Li Jun <jun.li at nxp.com>
> ---
> .../devicetree/bindings/usb/fsl,imx8mp-dwc3.yaml | 99 ++++++++++++++++++++++
> 1 file changed, 99 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/usb/fsl,imx8mp-dwc3.yaml b/Documentation/devicetree/bindings/usb/fsl,imx8mp-dwc3.yaml
> new file mode 100644
> index 0000000..a5d5566
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/usb/fsl,imx8mp-dwc3.yaml
> @@ -0,0 +1,99 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +# Copyright (c) 2020 NXP
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/usb/fsl,imx8mp-dwc3.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: NXP iMX8MP Soc USB Controller
> +
> +maintainers:
> + - Li Jun <jun.li at nxp.com>
> +
> +properties:
> + compatible:
> + items:
Items are not necessary
> + - const: fsl,imx8mp-dwc3
> +
> + reg:
> + maxItems: 1
> + description: Address and length of the register set for the wrapper of
> + dwc3 core on the SOC.
> +
> + "#address-cells":
> + enum: [ 1, 2 ]
> +
> + "#size-cells":
> + enum: [ 1, 2 ]
> +
> + ranges: true
> +
> + interrupts:
> + maxItems: 1
> + description: The interrupt that is asserted when a wakeup event is
> + received.
> +
> + clocks:
> + description:
> + A list of phandle and clock-specifier pairs for the clocks
> + listed in clock-names.
> + items:
> + - description: system hsio root clock.
> + - description: suspend clock, used for usb wakeup logic.
> +
> + clock-names:
> + items:
> + - const: hsio
> + - const: suspend
> +
> +# Required child node:
> +
> +patternProperties:
> + "^dwc3@[0-9a-f]+$":
> + type: object
> + description:
> + A child node must exist to represent the core DWC3 IP block
> + The content of the node is defined in dwc3.txt.
> +
> +required:
> + - compatible
> + - reg
> + - "#address-cells"
> + - "#size-cells"
> + - ranges
> + - clocks
> + - clock-names
> + - interrupts
> +
> +additionalProperties: false
Do you actually validate your DTS changes with this schema? They do
not look like passing the validation...
Best regards,
Krzysztof
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