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From:   Rob Herring <robh+dt@kernel.org>
Date:   Fri, 18 Nov 2022 15:44:27 -0600
Message-ID: <CAL_JsqLrgj97gCSvN7_WbHck5zpJECfVicUhV1P2cw0GONO_Sw@mail.gmail.com>
Subject: Re: [PATCH v4 10/11] arm64: dts: mt7986: add Bananapi R3
To:     frank-w@public-files.de
Cc:     Daniel Golle <daniel@makrotopia.org>,
        linux-mediatek@lists.infradead.org, devicetree@vger.kernel.org,
        Ryder Lee <ryder.lee@mediatek.com>,
        Bo Jiao <Bo.Jiao@mediatek.com>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org,
        linux-phy@lists.infradead.org,
        Kishon Vijay Abraham I <kishon@ti.com>,
        Jianjun Wang <jianjun.wang@mediatek.com>,
        Chunfeng Yun <chunfeng.yun@mediatek.com>,
        Vinod Koul <vkoul@kernel.org>,
        Matthias Brugger <matthias.bgg@gmail.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        linux-pci@vger.kernel.org, Bjorn Helgaas <bhelgaas@google.com>,
        Paolo Abeni <pabeni@redhat.com>,
        Lorenzo Bianconi <lorenzo@kernel.org>,
        linux-arm-kernel@lists.infradead.org
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On Wed, Nov 16, 2022 at 3:07 AM Frank Wunderlich
<frank-w@public-files.de> wrote:
>
> Am 15. November 2022 23:01:20 MEZ schrieb Daniel Golle <daniel@makrotopia.org>:
>
>
> >The device can boot from all 4 storage options. Both, SPI and MMC, can
> >be switched using hardware switches on the board, see
> >https://wiki.banana-pi.org/Banana_Pi_BPI-R3#Jumper_setting
> >
> >So why do the SPI-NAND vs. SPI-NOR switching with device tree overlays
> >and the SD card vs. eMMC switching with dtsi + 2x dts? To me this looks
> >inconsitent. Use either one or the other method.
>
> Hi Daniel
>
> It is still in discussion,if mainline-kernel will support devicetree-overlays [1].

No it's not. We're just in the middle of renaming overlay .dts files
to .dtso. Overlays have been supported for the last 1.5 years.

Rob