linux-kernel - Re: [PATCH V4 0/5] virtio: Add virtio-device bindings

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Message-ID: <20210804035623.flacrogemvjina3o@vireshk-i7>
Date:   Wed, 4 Aug 2021 09:26:23 +0530
From:   Viresh Kumar <viresh.kumar@...aro.org>
To:     Jason Wang <jasowang@...hat.com>,
        "Michael S. Tsirkin" <mst@...hat.com>,
        Rob Herring <robh+dt@...nel.org>,
        Arnd Bergmann <arnd@...nel.org>,
        Jean-Philippe Brucker <jean-philippe@...aro.org>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>,
        Linus Walleij <linus.walleij@...aro.org>
Cc:     Vincent Guittot <vincent.guittot@...aro.org>,
        Bill Mills <bill.mills@...aro.org>,
        Alex Bennée <alex.bennee@...aro.org>,
        "Enrico Weigelt, metux IT consult" <info@...ux.net>,
        Jie Deng <jie.deng@...el.com>, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        virtualization@...ts.linux-foundation.org,
        Arnd Bergmann <arnd@...db.de>, linux-gpio@...r.kernel.org,
        linux-i2c@...r.kernel.org, Wolfram Sang <wsa@...nel.org>
Subject: Re: [PATCH V4 0/5] virtio: Add virtio-device bindings

On 27-07-21, 10:53, Viresh Kumar wrote:
> Hi,
> 
> Currently the DT only provides support for following node types for virtio-mmio
> nodes:
> 
>         virtio_mmio@...0000 {
>                 dma-coherent;
>                 interrupts = <0x00 0x10 0x01>;
>                 reg = <0x00 0xa000000 0x00 0x200>;
>                 compatible = "virtio,mmio";
>         };
> 
> Here, each virtio-mmio corresponds to a virtio-device. But there is no way for
> other users in the DT to show their dependency on virtio devices.
> 
> This patchset provides that support.
> 
> The first patch adds virtio-device bindings to allow for device sub-nodes to be
> present and the second patch updates the virtio core to update the of_node.
> 
> Other patches add bindings for i2c and gpio devices.
> 
> Tested on x86 with qemu for arm64.

Michael,

I hope you will be picking this series (Now that it is reviewed by
others) ? Just so you know, Wolfram needs the 4th patch, 4/5, to base
the virtio-i2c driver over it and has requested an immutable branch
for the same.

Thanks.

-- 
viresh