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Message-ID: <20220614213212.GA2682090-robh@kernel.org>
Date:   Tue, 14 Jun 2022 15:32:12 -0600
From:   Rob Herring <robh@...nel.org>
To:     Brad Larson <brad@...sando.io>
Cc:     linux-arm-kernel@...ts.infradead.org, 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,
        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 v5 07/15] dt-bindings: reset: amd,pensando-elbasr-reset:
 Add AMD Pensando SR Reset Controller bindings

On Mon, Jun 13, 2022 at 12:56:50PM -0700, Brad Larson wrote:
> From: Brad Larson <blarson@....com>
> 
> Document bindings for AMD Pensando Elba SR Reset Controller
> 
> Signed-off-by: Brad Larson <blarson@....com>
> ---
>  .../reset/amd,pensando-elbasr-reset.yaml      | 62 +++++++++++++++++++
>  1 file changed, 62 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/reset/amd,pensando-elbasr-reset.yaml
> 
> diff --git a/Documentation/devicetree/bindings/reset/amd,pensando-elbasr-reset.yaml b/Documentation/devicetree/bindings/reset/amd,pensando-elbasr-reset.yaml
> new file mode 100644
> index 000000000000..03bb86ebcfd3
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/reset/amd,pensando-elbasr-reset.yaml
> @@ -0,0 +1,62 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/reset/amd,pensando-elbasr-reset.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: AMD Pensando Elba SoC Reset Controller Device Tree Bindings
> +
> +maintainers:
> +  - Brad Larson <blarson@....com>
> +
> +description: |
> +  AMD Pensando Elba SoC reset controller driver which supports a resource
> +  controller connected to the Elba SoC over a SPI bus.  The Elba reset
> +  controller must be defined as a child node of the Elba SPI bus
> +  chip-select 0 node.
> +
> +  See also:
> +  - dt-bindings/reset/amd,pensando-elba-reset.h
> +
> +properties:
> +  $nodename:
> +    pattern: "^reset-controller@[0-9a-f]+$"
> +
> +  compatible:
> +    const: amd,pensando-elbasr-reset
> +
> +  reg:
> +    const: 0
> +
> +  '#reset-cells':
> +    const: 1
> +
> +required:
> +  - compatible
> +  - reg
> +  - '#reset-cells'
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/reset/amd,pensando-elba-reset.h>
> +    spi0 {
> +        #address-cells = <1>;
> +        #size-cells = <0>;
> +        num-cs = <4>;
> +
> +        spi@0 {

'spi' is reserved for SPI buses. I thought this was an MFD.

> +          reg = <0>;
> +          #address-cells = <1>;
> +          #size-cells = <0>;
> +
> +          rstc: reset-controller@0 {
> +            compatible = "amd,pensando-elbasr-reset";
> +            reg = <0>;
> +            #reset-cells = <1>;
> +          };
> +        };
> +    };
> +
> +...
> -- 
> 2.17.1
> 
> 

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