linux-kernel - Re: [PATCH v5 2/3] arm64: dts: qcom: sa8295p: move common nodes to dtsi

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Date:   Mon, 3 Oct 2022 15:28:58 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Parikshit Pareek <quic_ppareek@...cinc.com>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Konrad Dybcio <konrad.dybcio@...ainline.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>
Cc:     linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, Andrew Halaney <ahalaney@...hat.com>,
        Shazad Hussain <quic_shazhuss@...cinc.com>,
        Brian Masney <bmasney@...hat.com>,
        Johan Hovold <johan@...nel.org>
Subject: Re: [PATCH v5 2/3] arm64: dts: qcom: sa8295p: move common nodes to
 dtsi

On 03/10/2022 14:54, Parikshit Pareek wrote:
> There are many ADP boards with lot of common features. Move common
> nodes, like remoteproc, regulators etc. to sa8540p-adp.dtsi file.
> This will be base for many ADP boards to be introduced in near future.
> Common nodes are like clocks, remoteproc, regulators etc.
> 
> The differences between the sa8295 ADP board, and sa8540p ADP board
> (Qdrive-3), with respect to device/connector-interface, are as following:
> 
> PCIE: pcie nodes are not supported as of now, and will be supported
> in subsequent patches.
> 
> UFS: Devices ufs_mem_hc and ufs_card_hc, both are mounted on ADP air
> board. Whereas, only ufs_mem_hc is only mounted on Qdrive-3.
> 
> USB: Devices usb0 and usb2 are present on Qdrive-3 board. Whereas on sa8295
> ADP board, usb0, usb1, and usb2 are present. On Qdrive-3, usb2 has only one
> port supported(of the external embedded hub). Whereas on sa8295, all four
> ports of usb2 are supported.
> 
> There are different connectors for ethernet and camera, but connected
> to same interface towards soc. So, there is no need of any difference
> regarding device tree.
> 
> Artificial intelligence chip SA9000P is present only on Qdrive-3 board
> as PCIE endpoint.
> 
> Signed-off-by: Parikshit Pareek <quic_ppareek@...cinc.com>
> ---
>  arch/arm64/boot/dts/qcom/sa8295p-adp.dts      | 528 +++++-------------
>  .../{sa8295p-adp.dts => sa8540p-adp.dtsi}     | 133 -----
>  2 files changed, 146 insertions(+), 515 deletions(-)
>  rewrite arch/arm64/boot/dts/qcom/sa8295p-adp.dts (70%)
>  copy arch/arm64/boot/dts/qcom/{sa8295p-adp.dts => sa8540p-adp.dtsi} (72%)
> 


Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>

Best regards,
Krzysztof