From: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
To: Kristian Brox <isyourbrainfoss@proton.me>, oe-linux-nfc@lists.linux.dev
Cc: david+nfc@ixit.cz, krzysztof.kozlowski@linaro.org,
luca.weiss@fairphone.com, linux-arm-msm@vger.kernel.org
Subject: Re: [PATCH 3/3] arm64: dts: qcom: qcm6490-fairphone-fp5: add ST21NFCD NFC
Date: Wed, 19 Aug 2026 10:58:17 +0200 [thread overview]
Message-ID: <03ae6ad6-de5d-4f14-904d-bca58c07ee00@oss.qualcomm.com> (raw)
In-Reply-To: <20260818205940.1973944-4-isyourbrainfoss@proton.me>
On 8/18/26 11:00 PM, Kristian Brox wrote:
> Enable the ST21NFCD on i2c9 (0x08), IRQ TLMM 41, reset TLMM 38
> active-high. Compatible is st,st21nfcd-i2c (raw NCI). ese-present and
> uicc-present are unset; those links are unproven on this board.
>
> Signed-off-by: Kristian Brox <isyourbrainfoss@proton.me>
> ---
> diff --git a/arch/arm64/boot/dts/qcom/qcm6490-fairphone-fp5.dts b/arch/arm64/boot/dts/qcom/qcm6490-fairphone-fp5.dts
> index d48cf38b7..a485edd24 100644
> --- a/arch/arm64/boot/dts/qcom/qcm6490-fairphone-fp5.dts
> +++ b/arch/arm64/boot/dts/qcom/qcm6490-fairphone-fp5.dts
> @@ -1006,7 +1006,14 @@ redriver_ss_in: endpoint {
> &i2c9 {
> status = "okay";
>
> - /* ST21NFC NFC @ 28 */
> + nfc@8 {
> + compatible = "st,st21nfcd-i2c";
> + reg = <0x08>;
> + interrupt-parent = <&tlmm>;
> + interrupts = <41 IRQ_TYPE_LEVEL_HIGH>;
interrupts-extended = <&tlmm 41 IRQ..>
> + reset-gpios = <&tlmm 38 GPIO_ACTIVE_HIGH>;
You should also add a pinctrl entry for both these pins, to make
sure the appropriate bias/pull settings are applied
Konrad
next prev parent reply other threads:[~2026-08-19 8:58 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-18 20:59 [PATCH 0/3] nfc: st-nci: Fairphone 5 NFC bring-up (ST21NFCD) Kristian Brox
2026-08-18 20:59 ` [PATCH 1/3] dt-bindings: net: nfc: add st,st21nfcd-i2c Kristian Brox
2026-08-18 23:07 ` Dmitry Baryshkov
2026-08-18 23:22 ` David Heidelberg
2026-08-19 6:18 ` Krzysztof Kozlowski
2026-08-18 20:59 ` [PATCH 2/3] nfc: st-nci: add raw NCI path for ST21NFCD Kristian Brox
2026-08-18 21:00 ` [PATCH 3/3] arm64: dts: qcom: qcm6490-fairphone-fp5: add ST21NFCD NFC Kristian Brox
2026-08-19 8:58 ` Konrad Dybcio [this message]
2026-08-19 9:02 ` Konrad Dybcio
2026-08-19 15:10 ` Luca Weiss
2026-08-19 21:09 ` [PATCH v2 0/3] nfc: st-nci: Fairphone 5 NFC bring-up (ST21NFCD) Kristian Brox
2026-08-19 21:09 ` [PATCH v2 1/3] dt-bindings: net: nfc: add st,st21nfcd Kristian Brox
2026-08-19 21:47 ` David Heidelberg
2026-08-20 6:05 ` Krzysztof Kozlowski
2026-08-19 21:09 ` [PATCH v2 2/3] nfc: st-nci: add raw NCI path for ST21NFCD Kristian Brox
2026-08-20 21:10 ` sashiko-bot
2026-08-19 21:09 ` [PATCH v2 3/3] arm64: dts: qcom: qcm6490-fairphone-fp5: add ST21NFCD NFC Kristian Brox
2026-08-19 21:54 ` David Heidelberg
2026-08-20 21:09 ` sashiko-bot
2026-08-24 8:57 ` Konrad Dybcio
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