linux-kernel - Re: [PATCH v2 1/2] dt-bindings: reset: Document RZ/V2H(P) USB2PHY Control

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Message-ID: <20250305-cesspool-headlock-4d28a2a1333e@spud>
Date: Wed, 5 Mar 2025 16:26:50 +0000
From: Conor Dooley <conor@...nel.org>
To: Prabhakar <prabhakar.csengg@...il.com>
Cc: Philipp Zabel <p.zabel@...gutronix.de>,
	Geert Uytterhoeven <geert+renesas@...der.be>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Magnus Damm <magnus.damm@...il.com>, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-renesas-soc@...r.kernel.org,
	Biju Das <biju.das.jz@...renesas.com>,
	Fabrizio Castro <fabrizio.castro.jz@...esas.com>,
	Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
Subject: Re: [PATCH v2 1/2] dt-bindings: reset: Document RZ/V2H(P) USB2PHY
 Control

On Wed, Mar 05, 2025 at 12:39:13PM +0000, Prabhakar wrote:
> From: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
> 
> Add device tree binding document for the Renesas RZ/V2H(P) USB2PHY Control
> Device. It mainly controls reset and power down of the USB2.0 PHY (for
> both host and function).
> 
> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
> ---
>  .../reset/renesas,rzv2h-usb2phy-ctrl.yaml     | 56 +++++++++++++++++++
>  1 file changed, 56 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/reset/renesas,rzv2h-usb2phy-ctrl.yaml
> 
> diff --git a/Documentation/devicetree/bindings/reset/renesas,rzv2h-usb2phy-ctrl.yaml b/Documentation/devicetree/bindings/reset/renesas,rzv2h-usb2phy-ctrl.yaml
> new file mode 100644
> index 000000000000..ed156a1d3eb3
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/reset/renesas,rzv2h-usb2phy-ctrl.yaml
> @@ -0,0 +1,56 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/reset/renesas,rzv2h-usb2phy-ctrl.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Renesas RZ/V2H(P) USB2PHY Control
> +
> +maintainers:
> +  - Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
> +
> +description:
> +  The RZ/V2H(P) USB2PHY Control mainly controls reset and power down of the
> +  USB2.0 PHY.
> +
> +properties:
> +  compatible:
> +    const: renesas,r9a09g057-usb2phy-ctrl  # RZ/V2H(P)
> +
> +  reg:
> +    maxItems: 1
> +
> +  clocks:
> +    maxItems: 1
> +
> +  resets:
> +    maxItems: 1
> +
> +  power-domains:
> +    maxItems: 1
> +
> +  '#reset-cells':
> +    const: 0
> +
> +required:
> +  - compatible
> +  - reg
> +  - clocks
> +  - resets
> +  - power-domains
> +  - '#reset-cells'
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/clock/renesas,r9a09g057-cpg.h>
> +
> +    usbphy-ctrl@...30000 {

How come your nodename isn't "reset-controller"?
Otherwise,
Acked-by: Conor Dooley <conor.dooley@...rochip.com>

> +        compatible = "renesas,r9a09g057-usb2phy-ctrl";
> +        reg = <0x15830000 0x10000>;
> +        clocks = <&cpg CPG_MOD 0xb6>;
> +        resets = <&cpg 0xaf>;
> +        power-domains = <&cpg>;
> +        #reset-cells = <0>;
> +    };
> -- 
> 2.43.0
> 

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