linux-kernel - Re: [PATCH 6/7] arm64: dts: qcom: ipq5018: Add tsens node

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Message-ID: <75ca0f84-3aa7-aead-fc99-d72e46c6b711@linaro.org>
Date:   Mon, 28 Aug 2023 21:25:33 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Sricharan Ramabadhran <quic_srichara@...cinc.com>,
        agross@...nel.org, andersson@...nel.org, konrad.dybcio@...aro.org,
        srinivas.kandagatla@...aro.org, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
        thara.gopinath@...il.com, rafael@...nel.org,
        daniel.lezcano@...aro.org, linux-arm-msm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-pm@...r.kernel.org
Subject: Re: [PATCH 6/7] arm64: dts: qcom: ipq5018: Add tsens node

On 28/08/2023 21:18, Sricharan Ramabadhran wrote:
> IPQ5018 has tsens V1.0 IP with 4 sensors.
> There is no RPM, so tsens has to manually enabled.
> Adding the tsens and nvmem node.
> 
> Signed-off-by: Sricharan Ramabadhran <quic_srichara@...cinc.com>
> ---
>  arch/arm64/boot/dts/qcom/ipq5018.dtsi | 23 +++++++++++++++++++++++
>  1 file changed, 23 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/ipq5018.dtsi b/arch/arm64/boot/dts/qcom/ipq5018.dtsi
> index 9f13d2dcdfd5..277b3cfc7f72 100644
> --- a/arch/arm64/boot/dts/qcom/ipq5018.dtsi
> +++ b/arch/arm64/boot/dts/qcom/ipq5018.dtsi
> @@ -93,6 +93,29 @@ soc: soc@0 {
>  		#size-cells = <1>;
>  		ranges = <0 0 0 0xffffffff>;
>  
> +		qfprom_nvmem: qfprom_nvmem@...00 {

Nope. Come on, where do you see such node naming. Please do not send
code from downstream, but work on upstream sources. Open other most
recent DTS, take a look how it is done and try to do something similar.

> +			#address-cells = <1>;
> +			#size-cells = <1>;

compatible is always the first property. Then reg.

> +			compatible = "qcom,ipq5018-qfprom", "qcom,qfprom";
> +			reg = <0xa0000 0x1000>;
> +
> +			tsens_calib: calib@248 {
> +				reg = <0x248 0x10>;
> +			};
> +		};
> +

Best regards,
Krzysztof