linux-kernel - Re: [PATCH v3 2/2] arm64: dts: ti: k3-j721s2: Add overlay to enable main CPSW2G with GESI

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Message-ID: <25ba2e12-00a2-61bd-022e-7258c0ffb89b@ti.com>
Date:   Mon, 11 Sep 2023 10:56:24 +0530
From:   Siddharth Vadapalli <s-vadapalli@...com>
To:     Rob Herring <robh+dt@...nel.org>
CC:     <nm@...com>, <vigneshr@...com>, <kristo@...nel.org>,
        <krzysztof.kozlowski+dt@...aro.org>, <conor+dt@...nel.org>,
        <afd@...com>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>, <r-gunasekaran@...com>,
        <srk@...com>, <s-vadapalli@...com>
Subject: Re: [PATCH v3 2/2] arm64: dts: ti: k3-j721s2: Add overlay to enable
 main CPSW2G with GESI

Hello Rob,

On 09/09/23 03:47, Rob Herring wrote:
> On Wed, Jul 26, 2023 at 1:54 AM Siddharth Vadapalli <s-vadapalli@...com> wrote:
>>
>> From: Kishon Vijay Abraham I <kishon@...com>
>>
>> The MAIN CPSW2G instance of CPSW on J721S2 SoC can be enabled with the GESI
>> 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@...com>
>> Signed-off-by: Siddharth Vadapalli <s-vadapalli@...com>
>> Reviewed-by: Ravi Gunasekaran <r-gunasekaran@...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.dtso
>>
>> diff --git a/arch/arm64/boot/dts/ti/Makefile b/arch/arm64/boot/dts/ti/Makefile
>> index 6dd7b6f1d6ab..019a8be19b93 100644
>> --- a/arch/arm64/boot/dts/ti/Makefile
>> +++ b/arch/arm64/boot/dts/ti/Makefile
>> @@ -51,6 +51,7 @@ dtb-$(CONFIG_ARCH_K3) += k3-j721e-sk.dtb
>>  # Boards with J721s2 SoC
>>  dtb-$(CONFIG_ARCH_K3) += k3-am68-sk-base-board.dtb
>>  dtb-$(CONFIG_ARCH_K3) += k3-j721s2-common-proc-board.dtb
>> +dtb-$(CONFIG_ARCH_K3) += k3-j721s2-evm-gesi-exp-board.dtbo
> 
> Overlays need to be applied to something. That's done like this:
> 
> foo-dtbs := base.dtb k3-am62x-sk-hdmi-audio.dtbo
> dtb-y += foo.dtb
> 
> Please send a fix for this.

I have posted the fix at:
https://lore.kernel.org/r/20230911052158.89185-1-s-vadapalli@ti.com/

> 
> Rob

-- 
Regards,
Siddharth.