linux-kernel - Re: [PATCH 4/4] arm64: dts: qcom: ipq9574: add QFPROM node

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Message-ID: <7d14db71-2279-e9b9-012d-47dc50fe797b@linaro.org>
Date:   Fri, 26 May 2023 11:19:16 +0200
From:   Konrad Dybcio <konrad.dybcio@...aro.org>
To:     Kathiravan T <quic_kathirav@...cinc.com>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 4/4] arm64: dts: qcom: ipq9574: add QFPROM node



On 26.05.2023 09:04, Kathiravan T wrote:
> IPQ9574 has efuse region to determine the various HW quirks. Lets
> add the initial support and the individual fuses will be added as they
> are required.
> 
> Signed-off-by: Kathiravan T <quic_kathirav@...cinc.com>
> ---
>  arch/arm64/boot/dts/qcom/ipq9574.dtsi | 7 +++++++
>  1 file changed, 7 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/ipq9574.dtsi b/arch/arm64/boot/dts/qcom/ipq9574.dtsi
> index 1a2c813ffd43..715fe51ff567 100644
> --- a/arch/arm64/boot/dts/qcom/ipq9574.dtsi
> +++ b/arch/arm64/boot/dts/qcom/ipq9574.dtsi
> @@ -117,6 +117,13 @@
>  		#size-cells = <1>;
>  		ranges = <0 0 0 0xffffffff>;
>  
> +		qfprom: efuse@...00 {
> +			compatible = "qcom,ipq9574-qfprom", "qcom,qfprom";
> +			reg = <0x000a4000 0x5a1>;
That's an odd size. Are you sure this is how long the corrected region is?

Konrad
> +			#address-cells = <1>;
> +			#size-cells = <1>;
> +		};
> +
>  		tlmm: pinctrl@...0000 {
>  			compatible = "qcom,ipq9574-tlmm";
>  			reg = <0x01000000 0x300000>;