Re: [PATCH v2 1/3] dt-bindings: phy: Add StarFive JH7110 USB dt-binding

From: Krzysztof Kozlowski
Date: Thu Mar 09 2023 - 05:07:15 EST


On 08/03/2023 09:27, Minda Chen wrote:
> Add StarFive JH7110 SoC USB 3.0 phy dt-binding.
> USB controller is cadence USB 3.0 IP.

Subject: drop second/last, redundant "binding". The "dt-bindings" prefix
is already stating that these are bindings.

>
> Signed-off-by: Minda Chen <minda.chen@xxxxxxxxxxxxxxxx>
> ---
> .../bindings/phy/starfive,jh7110-usb-phy.yaml | 158 ++++++++++++++++++
> 1 file changed, 158 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/phy/starfive,jh7110-usb-phy.yaml
>
> diff --git a/Documentation/devicetree/bindings/phy/starfive,jh7110-usb-phy.yaml b/Documentation/devicetree/bindings/phy/starfive,jh7110-usb-phy.yaml
> new file mode 100644
> index 000000000000..daa88d065deb
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/phy/starfive,jh7110-usb-phy.yaml
> @@ -0,0 +1,158 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/phy/starfive,jh7110-usb-phy.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: StarFive USB 2.0 and 3.0 PHY
> +
> +maintainers:
> + - Minda Chen<minda.chen@xxxxxxxxxxxxxxxx>

Missing space

> +
> +properties:
> + compatible:
> + items:

Drop items, it's just one item.


> + - const: starfive,jh7110-usb
> +
> + reg:
> + maxItems: 2
> +
> + reg-names:
> + items:
> + - const: usb3
> + - const: usb2
> +
> + clocks:
> + items:
> + - description: usb 125m clock
> + - description: app 125m clock
> + - description: lpm clock
> + - description: stb clock
> + - description: apb clock
> + - description: axi clock
> + - description: utmi apb clock
> +
> + clock-names:
> + items:
> + - const: usb_125m
> + - const: usb0_app_125
> + - const: usb0_lpm
> + - const: usb0_stb
> + - const: usb0_apb
> + - const: usb0_axi
> + - const: usb0_utmi_apb
> +
> + resets:
> + items:
> + - description: USB0_PWRUP reset
> + - description: USB0_APB reset
> + - description: USB0_AXI reset
> + - description: USB0_UTMI_APB reset
> +
> + starfive,sys-syscon:
> + $ref: /schemas/types.yaml#/definitions/phandle-array
> + items:
> + items:
> + - description: phandle to System Register Controller sys_syscon node.
> + - description: offset of SYS_SYSCONSAIF__SYSCFG register for USB.
> + description:
> + The phandle to System Register Controller syscon node and the offset
> + of SYS_SYSCONSAIF__SYSCFG register for USB.
> +
> + starfive,stg-syscon:
> + $ref: /schemas/types.yaml#/definitions/phandle-array
> + items:
> + items:
> + - description: phandle to System Register Controller stg_syscon node.
> + - description: register0 offset of STG_SYSCONSAIF__SYSCFG register for USB.
> + - description: register1 offset of STG_SYSCONSAIF__SYSCFG register for USB.
> + - description: register2 offset of STG_SYSCONSAIF__SYSCFG register for USB.
> + - description: register3 offset of STG_SYSCONSAIF__SYSCFG register for USB.
> + description:
> + The phandle to System Register Controller syscon node and the offset
> + of STG_SYSCONSAIF__SYSCFG register for USB. Total 4 regsisters offset
> + for USB.
> +
> + dr_mode:
> + description: PHY mode.
> + enum:
> + - host
> + - peripheral
> + - otg
> +
> + "#address-cells":
> + maximum: 2
> +
> + "#size-cells":
> + maximum: 2
> +
> + ranges: true
> +
> + starfive,usb2-only:
> + type: boolean
> + description: Set USB using usb 2.0 phy. Supprt USB 2.0 only
> +
> +required:
> + - compatible
> + - reg
> + - reg-names
> + - clocks
> + - clock-names
> + - resets
> + - starfive,sys-syscon
> + - starfive,stg-syscon
> + - dr_mode
> + - "#address-cells"
> + - "#size-cells"
> + - ranges
> +
> +patternProperties:

This goes before required block

> + "^usb@[0-9a-f]+$":
> + type: object
> + description: |
> + usbphy node should have '1' usb controller subnode.
> + It could be Cadence USB3 DRD controller.
> + Cadence USB3 should follow the bindings specified in
> + Documentation/devicetree/bindings/usb/cdns,usb3.yaml

$ref instead of free form text


Best regards,
Krzysztof