linux-kernel - Re: [PATCH v3 3/6] dt-bindings: soc: Add a binding for the Broadcom VCHIQ services. (v3)

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Date:   Fri, 9 Mar 2018 21:31:30 +0100 (CET)
From:   Stefan Wahren <stefan.wahren@...e.com>
To:     Rob Herring <robh+dt@...nel.org>,
        Florian Fainelli <f.fainelli@...il.com>,
        Eric Anholt <eric@...olt.net>,
        Mark Rutland <mark.rutland@....com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Phil Elwell <phil@...pberrypi.org>, devicetree@...r.kernel.org
Cc:     linux-rpi-kernel@...ts.infradead.org,
        bcm-kernel-feedback-list@...adcom.com,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v3 3/6] dt-bindings: soc: Add a binding for the Broadcom
 VCHIQ services. (v3)

Hi Eric,

> Eric Anholt <eric@...olt.net> hat am 9. März 2018 um 19:44 geschrieben:
> 
> 
> The VCHIQ communication channel can be provided by BCM283x and Capri
> SoCs, to communicate with the VPU-side OS services.
> 
> Signed-off-by: Eric Anholt <eric@...olt.net>
> ---
> 
> v2: VCHI->VCHIQ, dropped firmware property, added cache-line-size
> v3: Dropped cache-line-size, s/vchi@...ilbox@/
> 
>  .../devicetree/bindings/soc/bcm/brcm,bcm2835-vchiq.txt   | 16 ++++++++++++++++
>  1 file changed, 16 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/soc/bcm/brcm,bcm2835-vchiq.txt
> 
> diff --git a/Documentation/devicetree/bindings/soc/bcm/brcm,bcm2835-vchiq.txt b/Documentation/devicetree/bindings/soc/bcm/brcm,bcm2835-vchiq.txt
> new file mode 100644
> index 000000000000..8dd7b3a7de65
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/soc/bcm/brcm,bcm2835-vchiq.txt
> @@ -0,0 +1,16 @@
> +Broadcom VCHIQ firmware services
> +
> +Required properties:
> +
> +- compatible:	Should be "brcm,bcm2835-vchiq"
> +- reg:		Physical base address and length of the doorbell register pair
> +- interrupts:	The interrupt number
> +		  See bindings/interrupt-controller/brcm,bcm2835-armctrl-ic.txt
> +
> +Example:
> +
> +mailbox@...0b840 {

just a question: do you think this is future-proof to claim the doorbell for VCHIQ?

Stefan

> +	compatible = "brcm,bcm2835-vchiq";
> +	reg = <0x7e00b840 0xf>;
> +	interrupts = <0 2>;
> +};
> -- 
> 2.16.2
> 
> 
> _______________________________________________
> linux-arm-kernel mailing list
> linux-arm-kernel@...ts.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

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