Re: [PATCH v2 01/11] dt-bindings: phy: renesas: Document RZ/G2L USB PHY Control bindings

[Rob Herring <robh@kernel.org>]

On Mon, Jun 21, 2021 at 10:39:33AM +0100, Biju Das wrote:
> Add device tree binding document for RZ/G2L USB PHY control driver.
> 
> Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
> Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
> ---
> V1->V2:
>  * Add clock properties
> ---
>  .../phy/renesas,rzg2l-usbphyctrl.yaml         | 65 +++++++++++++++++++
>  1 file changed, 65 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/phy/renesas,rzg2l-usbphyctrl.yaml
> 
> diff --git a/Documentation/devicetree/bindings/phy/renesas,rzg2l-usbphyctrl.yaml b/Documentation/devicetree/bindings/phy/renesas,rzg2l-usbphyctrl.yaml
> new file mode 100644
> index 000000000000..8e8ba43f595d
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/phy/renesas,rzg2l-usbphyctrl.yaml
> @@ -0,0 +1,65 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/phy/renesas,rzg2l-usbphyctrl.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Renesas RZ/G2L USB2.0 PHY Control
> +
> +maintainers:
> +  - Biju Das <biju.das.jz@bp.renesas.com>
> +
> +description:
> +  The RZ/G2L USB2.0 PHY Control mainly controls reset and power down of the
> +  USB/PHY.
> +
> +properties:
> +  compatible:
> +    items:
> +      - enum:
> +          - renesas,r9a07g044-usbphyctrl # RZ/G2{L,LC}
> +      - const: renesas,rzg2l-usbphyctrl
> +
> +  reg:
> +    maxItems: 1
> +
> +  clocks:
> +    maxItems: 1
> +
> +  resets:
> +    maxItems: 1
> +
> +  power-domains:
> +    maxItems: 1
> +
> +  '#phy-cells':
> +    # see phy-bindings.txt in the same directory
> +    const: 1
> +    description: |
> +      The phandle's argument in the PHY specifier is the phy reset control bit
> +      of usb phy control.
> +      0 = Port 1 Phy reset
> +      1 = Port 2 Phy reset
> +    enum: [ 0, 1 ]

You already have the const, so this doesn't do anything.

> +
> +required:
> +  - compatible
> +  - reg
> +  - clocks
> +  - '#phy-cells'
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/clock/r9a07g044-cpg.h>
> +
> +    usbphyctrl@11c40000 {

usb-phy@...

> +        compatible = "renesas,r9a07g044-usbphyctrl",
> +                     "renesas,rzg2l-usbphyctrl";
> +        reg = <0x11c40000 0x10000>;
> +        clocks = <&cpg CPG_MOD R9A07G044_USB_PCLK>;
> +        resets = <&cpg R9A07G044_USB_PCLK>;
> +        power-domains = <&cpg>;
> +        #phy-cells = <1>;
> +    };
> -- 
> 2.17.1
> 
>