linux-kernel - Re: [PATCH v6 5/6] arm64: dts: qcom: sm4450-qrd: mark QRD4450 reserved gpios

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Message-ID: <6a799fc7-8d7d-4035-8e7e-458f9a61bf4e@linaro.org>
Date:   Sat, 18 Nov 2023 01:45:13 +0100
From:   Konrad Dybcio <konrad.dybcio@...aro.org>
To:     Tengfei Fan <quic_tengfan@...cinc.com>, agross@...nel.org,
        andersson@...nel.org, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
        catalin.marinas@....com, will@...nel.org
Cc:     geert+renesas@...der.be, arnd@...db.de, neil.armstrong@...aro.org,
        dmitry.baryshkov@...aro.org, nfraprado@...labora.com,
        m.szyprowski@...sung.com, u-kumar1@...com, peng.fan@....com,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, quic_tsoni@...cinc.com,
        quic_shashim@...cinc.com, quic_kaushalk@...cinc.com,
        quic_tdas@...cinc.com, quic_tingweiz@...cinc.com,
        quic_aiquny@...cinc.com, kernel@...cinc.com
Subject: Re: [PATCH v6 5/6] arm64: dts: qcom: sm4450-qrd: mark QRD4450
 reserved gpios

On 31.10.2023 08:50, Tengfei Fan wrote:
> Some gpios are reserved for other subsystems, so mark these reserved
> gpios.
> 
> Signed-off-by: Tengfei Fan <quic_tengfan@...cinc.com>
> ---
>  arch/arm64/boot/dts/qcom/sm4450-qrd.dts | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sm4450-qrd.dts b/arch/arm64/boot/dts/qcom/sm4450-qrd.dts
> index bb8c58fb4267..e354bad57a9e 100644
> --- a/arch/arm64/boot/dts/qcom/sm4450-qrd.dts
> +++ b/arch/arm64/boot/dts/qcom/sm4450-qrd.dts
> @@ -23,6 +23,11 @@
>  	status = "okay";
>  };
>  
> +&tlmm {
> +	/* Reserved for other subsystems */
that much we can guess :D

it would be very appreciated if you could do e.g.

<0 4>, /* fingerprint scanner */
<136 1>; /* coffee machine trigger */

Konrad