linux-kernel - Re: [PATCH] dt-bindings: rng: Convert BCM2835 to DT schema

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Date:   Mon, 10 Feb 2020 13:09:54 +0100
From:   Nicolas Saenz Julienne <nsaenzjulienne@...e.de>
To:     Nícolas "F. R. A. Prado" 
        <nfraprado@...tonmail.com>, devicetree@...r.kernel.org
Cc:     Mark Rutland <mark.rutland@....com>,
        Florian Fainelli <f.fainelli@...il.com>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        Scott Branden <sbranden@...adcom.com>,
        linux-arm-kernel@...ts.infradead.org, Ray Jui <rjui@...adcom.com>,
        linux-kernel@...r.kernel.org, Rob Herring <robh+dt@...nel.org>,
        bcm-kernel-feedback-list@...adcom.com,
        linux-crypto@...r.kernel.org, Matt Mackall <mpm@...enic.com>,
        linux-rpi-kernel@...ts.infradead.org
Subject: Re: [PATCH] dt-bindings: rng: Convert BCM2835 to DT schema

On Fri, 2020-02-07 at 23:14 +0000, Nícolas F. R. A. Prado wrote:
> Convert BCM2835/6368 Random number generator bindings to DT schema.
> 
> Signed-off-by: Nícolas F. R. A. Prado <nfraprado@...tonmail.com>
> ---

Reviewed-by: Nicolas Saenz Julienne <nsaenzjulienne@...e.de>

Thanks!

> Hi,
> wasn't really clear to me who to add as maintainer for this dt-binding.
> The three names added here as maintainers were based on the get_maintainer
> script and on previous commits on this file.
> Please tell me whether these are the right maintainers for this file or not.

Looks OK to me. When in doubt I just trust get_maintainer, never failed me so
far.

> This patch was tested with:
> make ARCH=arm
> DT_SCHEMA_FILES=Documentation/devicetree/bindings/rng/brcm,bcm2835.yaml
> dt_binding_check
> make ARCH=arm
> DT_SCHEMA_FILES=Documentation/devicetree/bindings/rng/brcm,bcm2835.yaml
> dtbs_check
> 
> Thanks,
> Nícolas
> 
>  .../devicetree/bindings/rng/brcm,bcm2835.txt  | 40 ------------
>  .../devicetree/bindings/rng/brcm,bcm2835.yaml | 61 +++++++++++++++++++
>  2 files changed, 61 insertions(+), 40 deletions(-)
>  delete mode 100644 Documentation/devicetree/bindings/rng/brcm,bcm2835.txt
>  create mode 100644 Documentation/devicetree/bindings/rng/brcm,bcm2835.yaml
> 
> diff --git a/Documentation/devicetree/bindings/rng/brcm,bcm2835.txt
> b/Documentation/devicetree/bindings/rng/brcm,bcm2835.txt
> deleted file mode 100644
> index aaac7975f61c..000000000000
> --- a/Documentation/devicetree/bindings/rng/brcm,bcm2835.txt
> +++ /dev/null
> @@ -1,40 +0,0 @@
> -BCM2835/6368 Random number generator
> -
> -Required properties:
> -
> -- compatible : should be one of
> -	"brcm,bcm2835-rng"
> -	"brcm,bcm-nsp-rng"
> -	"brcm,bcm5301x-rng" or
> -	"brcm,bcm6368-rng"
> -- reg : Specifies base physical address and size of the registers.
> -
> -Optional properties:
> -
> -- clocks : phandle to clock-controller plus clock-specifier pair
> -- clock-names : "ipsec" as a clock name
> -
> -Optional properties:
> -
> -- interrupts: specify the interrupt for the RNG block
> -
> -Example:
> -
> -rng {
> -	compatible = "brcm,bcm2835-rng";
> -	reg = <0x7e104000 0x10>;
> -	interrupts = <2 29>;
> -};
> -
> -rng@...33000 {
> -	compatible = "brcm,bcm-nsp-rng";
> -	reg = <0x18033000 0x14>;
> -};
> -
> -random: rng@...04180 {
> -	compatible = "brcm,bcm6368-rng";
> -	reg = <0x10004180 0x14>;
> -
> -	clocks = <&periph_clk 18>;
> -	clock-names = "ipsec";
> -};
> diff --git a/Documentation/devicetree/bindings/rng/brcm,bcm2835.yaml
> b/Documentation/devicetree/bindings/rng/brcm,bcm2835.yaml
> new file mode 100644
> index 000000000000..b1621031721e
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/rng/brcm,bcm2835.yaml
> @@ -0,0 +1,61 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/rng/brcm,bcm2835.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: BCM2835/6368 Random number generator
> +
> +maintainers:
> +  - Stefan Wahren <stefan.wahren@...e.com>
> +  - Florian Fainelli <f.fainelli@...il.com>
> +  - Herbert Xu <herbert@...dor.apana.org.au>
> +
> +properties:
> +  compatible:
> +    enum:
> +      - brcm,bcm2835-rng
> +      - brcm,bcm-nsp-rng
> +      - brcm,bcm5301x-rng
> +      - brcm,bcm6368-rng
> +
> +  reg:
> +    maxItems: 1
> +
> +  clocks:
> +    description: phandle to clock-controller plus clock-specifier pair
> +    maxItems: 1
> +
> +  clock-names:
> +    const: ipsec
> +
> +  interrupts:
> +    description: specify the interrupt for the RNG block
> +    maxItems: 1
> +
> +required:
> +  - compatible
> +  - reg
> +
> +examples:
> +  - |
> +    rng {
> +        compatible = "brcm,bcm2835-rng";
> +        reg = <0x7e104000 0x10>;
> +        interrupts = <2 29>;
> +    };
> +
> +  - |
> +    rng@...33000 {
> +        compatible = "brcm,bcm-nsp-rng";
> +        reg = <0x18033000 0x14>;
> +    };
> +
> +  - |
> +    random: rng@...04180 {
> +        compatible = "brcm,bcm6368-rng";
> +        reg = <0x10004180 0x14>;
> +
> +        clocks = <&periph_clk 18>;
> +        clock-names = "ipsec";
> +    };


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