linux-kernel - Re: [PATCH v7 06/17] dt-bindings: mfd: amd,pensando-elbasr: Add AMD Pensando Elba System Resource chip

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <2ea394ba-ae15-f3b6-da9c-d16e2f92b3af@linaro.org>
Date:   Wed, 16 Nov 2022 09:45:11 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Brad Larson <brad@...sando.io>,
        linux-arm-kernel@...ts.infradead.org
Cc:     linux-kernel@...r.kernel.org, linux-mmc@...r.kernel.org,
        adrian.hunter@...el.com, alcooperx@...il.com,
        andy.shevchenko@...il.com, arnd@...db.de, blarson@....com,
        brijeshkumar.singh@....com, catalin.marinas@....com,
        gsomlo@...il.com, gerg@...ux-m68k.org, krzk@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, lee.jones@...aro.org,
        broonie@...nel.org, yamada.masahiro@...ionext.com,
        p.zabel@...gutronix.de, piotrs@...ence.com, p.yadav@...com,
        rdunlap@...radead.org, robh+dt@...nel.org, samuel@...lland.org,
        fancer.lancer@...il.com, suravee.suthikulpanit@....com,
        thomas.lendacky@....com, ulf.hansson@...aro.org, will@...nel.org,
        devicetree@...r.kernel.org
Subject: Re: [PATCH v7 06/17] dt-bindings: mfd: amd,pensando-elbasr: Add AMD
 Pensando Elba System Resource chip

On 16/11/2022 02:04, Brad Larson wrote:
> Add support for the AMD Pensando Elba SoC System Resource chip
> using the SPI interface.
> 
> Signed-off-by: Brad Larson <blarson@....com>
> ---
> 
> v7:
>  - Use system-controller for the device with four chip-selects
>    connected over spi.
>  - Delete child by moving reset-controller into the parent.
>  - Updated and used dtschema-2022.11 and yamllint-1.28.0
> 
> v6:
>  - Expand description, rename nodes and change compatible usage
> 
> v5:
>  - Change to AMD Pensando instead of Pensando
> 
> v4:
>  - Change Maintained to Supported
> 
>  .../bindings/mfd/amd,pensando-elbasr.yaml     | 74 +++++++++++++++++++
>  1 file changed, 74 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/mfd/amd,pensando-elbasr.yaml
> 
> diff --git a/Documentation/devicetree/bindings/mfd/amd,pensando-elbasr.yaml b/Documentation/devicetree/bindings/mfd/amd,pensando-elbasr.yaml
> new file mode 100644
> index 000000000000..ac44d7d0a91a
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mfd/amd,pensando-elbasr.yaml
> @@ -0,0 +1,74 @@
> +# SPDX-License-Identifier: (GPL-2.0-only or BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/mfd/amd,pensando-elbasr.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: AMD Pensando Elba SoC Resource Controller bindings

Drop "bindings"

> +
> +description: |
> +  AMD Pensando Elba SoC Resource Controller functions are
> +  accessed with four chip-selects.  Reset control is on CS0.
> +
> +maintainers:
> +  - Brad Larson <blarson@....com>
> +
> +properties:
> +  compatible:
> +    items:

You have only one item, so no need for list. Drop "items".

> +      - enum:
> +          - amd,pensando-elbasr
> +
> +  "#reset-cells":
> +    const: 1
> +
> +  interrupts:
> +    maxItems: 1
> +
> +required:
> +  - compatible
> +  - reg
> +  - spi-max-frequency
> +
> +allOf:
> +  - $ref: /schemas/spi/spi-peripheral-props.yaml#
> +
> +unevaluatedProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/interrupt-controller/arm-gic.h>
> +
> +    spi {
> +        #address-cells = <1>;
> +        #size-cells = <0>;
> +        num-cs = <4>;
> +        status = "okay";

Drop status.

> +
> +        rstc: system-controller@0 {

Drop label.

> +            compatible = "amd,pensando-elbasr";
> +            reg = <0>;
> +            spi-max-frequency = <12000000>;
> +            #reset-cells = <1>;
> +        };
> +
> +        system-controller@1 {
> +            compatible = "amd,pensando-elbasr";
> +            reg = <1>;
> +            spi-max-frequency = <12000000>;
> +        };
> +
> +        system-controller@2 {
> +            compatible = "amd,pensando-elbasr";
> +            reg = <2>;
> +            spi-max-frequency = <12000000>;
> +            interrupt-parent = <&porta>;
> +            interrupts = <0 IRQ_TYPE_LEVEL_LOW>;

Keep only one or two examples. All others are practically the same.

> +        };
> +
> +        system-controller@3 {
> +            compatible = "amd,pensando-elbasr";
> +            reg = <3>;
> +            spi-max-frequency = <12000000>;
> +        };
> +    };

Best regards,
Krzysztof