linux-kernel - Re: [PATCH v2 3/3] arm64: dts: ti: iot2050: Add support for M.2 variant

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Date:   Wed, 25 Jan 2023 11:41:11 +0530
From:   Siddharth Vadapalli <s-vadapalli@...com>
To:     Jan Kiszka <jan.kiszka@...mens.com>, Nishanth Menon <nm@...com>,
        Vignesh Raghavendra <vigneshr@...com>,
        Tero Kristo <kristo@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>
CC:     <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
        Bao Cheng Su <baocheng.su@...mens.com>,
        Chao Zeng <chao.zeng@...mens.com>, <s-vadapalli@...com>
Subject: Re: [PATCH v2 3/3] arm64: dts: ti: iot2050: Add support for M.2
 variant



On 19/01/23 12:10, Jan Kiszka wrote:
> From: chao zeng <chao.zeng@...mens.com>
> 
> The M.2 variant comes with 2 slots, one B-keyed and another one E-keyed.
> They are configured by the firmware during startup. Also the device tree
> will be adjusted according to the detect or manually configured
> interface mode by the firmware. The kernel only carries a single
> configuration as base device tree. It has to be built with a symbols
> node so that the firmware can apply overlays for the connector modes.
> 
> Signed-off-by: chao zeng <chao.zeng@...mens.com>
> [Jan: refactored to a single DT]
> Signed-off-by: Jan Kiszka <jan.kiszka@...mens.com>
> ---
>  arch/arm64/boot/dts/ti/Makefile               |   3 +
>  .../dts/ti/k3-am6548-iot2050-advanced-m2.dts  | 121 ++++++++++++++++++
>  2 files changed, 124 insertions(+)
>  create mode 100644 arch/arm64/boot/dts/ti/k3-am6548-iot2050-advanced-m2.dts

Reviewed-by: Siddharth Vadapalli <s-vadapalli@...com>

Regards,
Siddharth.