linux-kernel - Re: [PATCH 1/8] dt-bindings: nvmem: Convert rockchip-otp.txt to dt-schema

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Message-ID: <87338a93-c285-3149-dc22-0fe4cd446a23@linaro.org>
Date:   Wed, 3 May 2023 08:27:11 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Cristian Ciocaltea <cristian.ciocaltea@...labora.com>,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Heiko Stuebner <heiko@...ech.de>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Sebastian Reichel <sebastian.reichel@...labora.com>,
        Shreeya Patel <shreeya.patel@...labora.com>,
        Kever Yang <kever.yang@...k-chips.com>,
        Finley Xiao <finley.xiao@...k-chips.com>
Cc:     devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org,
        kernel@...labora.com
Subject: Re: [PATCH 1/8] dt-bindings: nvmem: Convert rockchip-otp.txt to
 dt-schema

On 01/05/2023 10:43, Cristian Ciocaltea wrote:
> Convert the Rockchip OTP memory bindings to dt-schema.
> 
> Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@...labora.com>
> ---
>  .../bindings/nvmem/rockchip-otp.txt           | 25 ------
>  .../bindings/nvmem/rockchip-otp.yaml          | 83 +++++++++++++++++++
>  2 files changed, 83 insertions(+), 25 deletions(-)
>  delete mode 100644 Documentation/devicetree/bindings/nvmem/rockchip-otp.txt
>  create mode 100644 Documentation/devicetree/bindings/nvmem/rockchip-otp.yaml
> 
> diff --git a/Documentation/devicetree/bindings/nvmem/rockchip-otp.txt b/Documentation/devicetree/bindings/nvmem/rockchip-otp.txt
> deleted file mode 100644
> index 40f649f7c2e5..000000000000
> --- a/Documentation/devicetree/bindings/nvmem/rockchip-otp.txt
> +++ /dev/null
> @@ -1,25 +0,0 @@
> -Rockchip internal OTP (One Time Programmable) memory device tree bindings
> -
> -Required properties:
> -- compatible: Should be one of the following.
> -  - "rockchip,px30-otp" - for PX30 SoCs.
> -  - "rockchip,rk3308-otp" - for RK3308 SoCs.
> -- reg: Should contain the registers location and size
> -- clocks: Must contain an entry for each entry in clock-names.
> -- clock-names: Should be "otp", "apb_pclk" and "phy".
> -- resets: Must contain an entry for each entry in reset-names.
> -  See ../../reset/reset.txt for details.
> -- reset-names: Should be "phy".
> -
> -See nvmem.txt for more information.
> -
> -Example:
> -	otp: otp@...90000 {
> -		compatible = "rockchip,px30-otp";
> -		reg = <0x0 0xff290000 0x0 0x4000>;
> -		#address-cells = <1>;
> -		#size-cells = <1>;
> -		clocks = <&cru SCLK_OTP_USR>, <&cru PCLK_OTP_NS>,
> -			 <&cru PCLK_OTP_PHY>;
> -		clock-names = "otp", "apb_pclk", "phy";
> -	};
> diff --git a/Documentation/devicetree/bindings/nvmem/rockchip-otp.yaml b/Documentation/devicetree/bindings/nvmem/rockchip-otp.yaml
> new file mode 100644
> index 000000000000..658ceed14ee2
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/nvmem/rockchip-otp.yaml

Filename matching compatible, or at least it format. rockchip,otp


> @@ -0,0 +1,83 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/nvmem/rockchip-otp.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Rockchip internal OTP (One Time Programmable) memory
> +
> +maintainers:
> +  - Heiko Stuebner <heiko@...ech.de>
> +
> +allOf:
> +  - $ref: nvmem.yaml#
> +
> +properties:
> +  compatible:
> +    enum:
> +      - rockchip,px30-otp
> +      - rockchip,rk3308-otp
> +
> +  reg:
> +    maxItems: 1
> +
> +  clocks:
> +    minItems: 3

Drop minItems, not needed when equal to max.

> +    maxItems: 3
> +
> +  clock-names:
Best regards,
Krzysztof