linux-kernel - Re: [PATCH v2 6/7] arm64: dts: qcom: Add SM7125 device tree

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Date:   Thu, 6 Jul 2023 17:25:09 +0200
From:   Konrad Dybcio <konrad.dybcio@...aro.org>
To:     David Wronek <davidwronek@...il.com>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Taniya Das <quic_tdas@...cinc.com>
Cc:     linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-clk@...r.kernel.org,
        ~postmarketos/upstreaming@...ts.sr.ht, phone-devel@...r.kernel.org
Subject: Re: [PATCH v2 6/7] arm64: dts: qcom: Add SM7125 device tree

On 6.07.2023 14:40, David Wronek wrote:
> The Snapdragon 720G (sm7125) is software-wise very similar to the
> Snapdragon 7c with minor differences in clock speeds and as added here,
> it uses the Kryo 465 instead of Kryo 468.
> 
> Signed-off-by: David Wronek <davidwronek@...il.com>
> ---
Can you please paste the output of `dmesg | grep "secondary processor"`?

That would let us determine the unique identifier of the cores.

Konrad
>  arch/arm64/boot/dts/qcom/sm7125.dtsi | 16 ++++++++++++++++
>  1 file changed, 16 insertions(+)
>  create mode 100644 arch/arm64/boot/dts/qcom/sm7125.dtsi
> 
> diff --git a/arch/arm64/boot/dts/qcom/sm7125.dtsi b/arch/arm64/boot/dts/qcom/sm7125.dtsi
> new file mode 100644
> index 000000000000..12dd72859a43
> --- /dev/null
> +++ b/arch/arm64/boot/dts/qcom/sm7125.dtsi
> @@ -0,0 +1,16 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/*
> + * Copyright (c) 2021, The Linux Foundation. All rights reserved.
> + */
> +
> +#include "sc7180.dtsi"
> +
> +/* SM7125 uses Kryo 465 instead of Kryo 468 */
> +&CPU0 { compatible = "qcom,kryo465"; };
> +&CPU1 { compatible = "qcom,kryo465"; };
> +&CPU2 { compatible = "qcom,kryo465"; };
> +&CPU3 { compatible = "qcom,kryo465"; };
> +&CPU4 { compatible = "qcom,kryo465"; };
> +&CPU5 { compatible = "qcom,kryo465"; };
> +&CPU6 { compatible = "qcom,kryo465"; };
> +&CPU7 { compatible = "qcom,kryo465"; };