linux-kernel - Re: [PATCH 2/4] ARM: dts: qcom: msm8960: expressatt: Add NFC

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Message-ID: <00cf5233-ff95-44d6-9d76-77178358263a@oss.qualcomm.com>
Date: Thu, 20 Nov 2025 10:14:49 +0100
From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
To: guptarud@...il.com, Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>
Cc: linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/4] ARM: dts: qcom: msm8960: expressatt: Add NFC

On 11/20/25 8:14 AM, Rudraksha Gupta via B4 Relay wrote:
> From: Rudraksha Gupta <guptarud@...il.com>
> 
> Add pn544 NFC chip
> 
> Signed-off-by: Rudraksha Gupta <guptarud@...il.com>
> ---
>  .../dts/qcom/qcom-msm8960-samsung-expressatt.dts   | 46 ++++++++++++++++++++++
>  1 file changed, 46 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/qcom/qcom-msm8960-samsung-expressatt.dts b/arch/arm/boot/dts/qcom/qcom-msm8960-samsung-expressatt.dts
> index 1e331a046e7b..81806d7ca001 100644
> --- a/arch/arm/boot/dts/qcom/qcom-msm8960-samsung-expressatt.dts
> +++ b/arch/arm/boot/dts/qcom/qcom-msm8960-samsung-expressatt.dts
> @@ -77,6 +77,27 @@ light-sensor@39 {
>  			pinctrl-0 = <&prox_sensor_int>;
>  		};
>  	};
> +
> +	i2c-gpio-nfc {
> +		compatible = "i2c-gpio";
> +		sda-gpios = <&tlmm 32 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
> +		scl-gpios = <&tlmm 33 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
> +		i2c-gpio,delay-us = <5>;

Same question, any chance this is GSBI7?

Konrad