linux-kernel - Re: [PATCH 3/3] ARM: dts: aspeed: amd-ethanolx: Enable devices for the iKVM functionality

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Message-ID: <CACPK8XdDZTYuOb-0QvpStAO0iZH+Si4t2f3sNjPjmPwLrGMc5g@mail.gmail.com>
Date:   Wed, 28 Oct 2020 05:28:47 +0000
From:   Joel Stanley <joel@....id.au>
To:     Konstantin Aladyshev <aladyshev22@...il.com>
Cc:     Supreeth Venkatesh <supreeth.venkatesh@....com>,
        Rob Herring <robh+dt@...nel.org>,
        Andrew Jeffery <andrew@...id.au>,
        devicetree <devicetree@...r.kernel.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        linux-aspeed <linux-aspeed@...ts.ozlabs.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 3/3] ARM: dts: aspeed: amd-ethanolx: Enable devices for
 the iKVM functionality

On Tue, 27 Oct 2020 at 12:41, Konstantin Aladyshev
<aladyshev22@...il.com> wrote:
>
> Enable the USB 2.0 Virtual Hub Controller and
> the Video Engine with it's reserved memory region for the implementation
> of the iKVM functionality in the BMC.
>
> Signed-off-by: Konstantin Aladyshev <aladyshev22@...il.com>

Reviewed-by: Joel Stanley <joel@....id.au>

> ---
>  arch/arm/boot/dts/aspeed-bmc-amd-ethanolx.dts | 22 +++++++++++++++++++
>  1 file changed, 22 insertions(+)
>
> diff --git a/arch/arm/boot/dts/aspeed-bmc-amd-ethanolx.dts b/arch/arm/boot/dts/aspeed-bmc-amd-ethanolx.dts
> index 2a86bda8afd8..b93ed44eba0c 100644
> --- a/arch/arm/boot/dts/aspeed-bmc-amd-ethanolx.dts
> +++ b/arch/arm/boot/dts/aspeed-bmc-amd-ethanolx.dts
> @@ -13,6 +13,21 @@
>         memory@...00000 {
>                 reg = <0x80000000 0x20000000>;
>         };
> +
> +       reserved-memory {
> +               #address-cells = <1>;
> +               #size-cells = <1>;
> +               ranges;
> +
> +               video_engine_memory: jpegbuffer {
> +                       size = <0x02000000>;    /* 32M */
> +                       alignment = <0x01000000>;
> +                       compatible = "shared-dma-pool";
> +                       reusable;
> +               };
> +       };
> +
> +
>         aliases {
>                 serial0 = &uart1;
>                 serial4 = &uart5;
> @@ -220,5 +235,12 @@
>         };
>  };
>
> +&video {
> +       status = "okay";
> +       memory-region = <&video_engine_memory>;
> +};
>
> +&vhub {
> +       status = "okay";
> +};
>
> --
> 2.17.1
>