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From:   Rob Herring <robh+dt@kernel.org>
Date:   Fri, 8 Sep 2023 17:17:25 -0500
Message-ID: <CAL_JsqJ7zHHMiZiSfM+Du3d-rG9VetkEvbBXHYN5=JUcg2irAA@mail.gmail.com>
Subject: Re: [PATCH v3 2/2] arm64: dts: ti: k3-j721s2: Add overlay to enable
 main CPSW2G with GESI
To:     Siddharth Vadapalli <s-vadapalli@ti.com>
Cc:     nm@ti.com, vigneshr@ti.com, kristo@kernel.org,
        krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, afd@ti.com,
        devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org, r-gunasekaran@ti.com,
        srk@ti.com
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On Wed, Jul 26, 2023 at 1:54=E2=80=AFAM Siddharth Vadapalli <s-vadapalli@ti=
.com> wrote:
>
> From: Kishon Vijay Abraham I <kishon@ti.com>
>
> The MAIN CPSW2G instance of CPSW on J721S2 SoC can be enabled with the GE=
SI
> Expansion Board connected to the J7 Common-Proc-Board. Use the overlay
> to enable this.
>
> Add alias for the MAIN CPSW2G port to enable kernel to fetch MAC address
> directly from U-Boot.
>
> Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
> Signed-off-by: Siddharth Vadapalli <s-vadapalli@ti.com>
> Reviewed-by: Ravi Gunasekaran <r-gunasekaran@ti.com>
> ---
>  arch/arm64/boot/dts/ti/Makefile               |  2 +
>  .../dts/ti/k3-j721s2-evm-gesi-exp-board.dtso  | 85 +++++++++++++++++++
>  2 files changed, 87 insertions(+)
>  create mode 100644 arch/arm64/boot/dts/ti/k3-j721s2-evm-gesi-exp-board.d=
tso
>
> diff --git a/arch/arm64/boot/dts/ti/Makefile b/arch/arm64/boot/dts/ti/Mak=
efile
> index 6dd7b6f1d6ab..019a8be19b93 100644
> --- a/arch/arm64/boot/dts/ti/Makefile
> +++ b/arch/arm64/boot/dts/ti/Makefile
> @@ -51,6 +51,7 @@ dtb-$(CONFIG_ARCH_K3) +=3D k3-j721e-sk.dtb
>  # Boards with J721s2 SoC
>  dtb-$(CONFIG_ARCH_K3) +=3D k3-am68-sk-base-board.dtb
>  dtb-$(CONFIG_ARCH_K3) +=3D k3-j721s2-common-proc-board.dtb
> +dtb-$(CONFIG_ARCH_K3) +=3D k3-j721s2-evm-gesi-exp-board.dtbo

Overlays need to be applied to something. That's done like this:

foo-dtbs :=3D base.dtb k3-am62x-sk-hdmi-audio.dtbo
dtb-y +=3D foo.dtb

Please send a fix for this.

Rob