linux-kernel - Re: [RFC/PATCH 02/11] dt-bindings: soc: bcm: brcm,bcm2835-pm: Add support for bcm2711

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Date:   Sat, 6 Feb 2021 12:36:28 +0100
From:   Stefan Wahren <wahrenst@....net>
To:     Nicolas Saenz Julienne <nsaenzjulienne@...e.de>,
        f.fainelli@...il.com, bcm-kernel-feedback-list@...adcom.com,
        linux-rpi-kernel@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        Ray Jui <rjui@...adcom.com>,
        Scott Branden <sbranden@...adcom.com>
Cc:     phil@...pberrypi.com, Rob Herring <robh+dt@...nel.org>,
        linux-kernel@...r.kernel.org
Subject: Re: [RFC/PATCH 02/11] dt-bindings: soc: bcm: brcm,bcm2835-pm: Add
 support for bcm2711

Hi,

Am 05.02.21 um 14:52 schrieb Nicolas Saenz Julienne:
> Add a new compatible string for bcm2711 and the option to provide a
> third reg property for the board's new Argon ASB.
>
> The new Argon ASB took over V3D, which is our only consumer of this
> driver so far. The old ASB is still be present with ISP and H264 bits
> but no V3D.
>
> Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@...e.de>
> ---
>  .../devicetree/bindings/soc/bcm/brcm,bcm2835-pm.yaml       | 7 ++++---
>  1 file changed, 4 insertions(+), 3 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/soc/bcm/brcm,bcm2835-pm.yaml b/Documentation/devicetree/bindings/soc/bcm/brcm,bcm2835-pm.yaml
> index 5e0555fc0666..a1f2e25e68db 100644
> --- a/Documentation/devicetree/bindings/soc/bcm/brcm,bcm2835-pm.yaml
> +++ b/Documentation/devicetree/bindings/soc/bcm/brcm,bcm2835-pm.yaml
> @@ -21,13 +21,14 @@ properties:
>      items:
>        - enum:
>            - brcm,bcm2835-pm
> +          - brcm,bcm2711-pm
>        - const: brcm,bcm2835-pm-wdt
>
>    reg:
>      minItems: 1
> -    maxItems: 2
> -    description: Specifies base physical address and size of the two register
> -                 ranges, "PM" and "ASYNC_BRIDGE" in that order.
> +    maxItems: 3
> +    description: Specifies base physical address and size of the register
> +                 ranges, "PM", "ASYNC_BRIDGE" and "ARGON_BRIDGE" in that order.
i know it's not trivial, but maybe we have reached the point to
introduce reg-names here.
>
>    "#power-domain-cells":
>      const: 1