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| author | Rudraksha Gupta <guptarud@gmail.com> | 2025-11-25 02:35:24 +0300 |
|---|---|---|
| committer | Bjorn Andersson <andersson@kernel.org> | 2026-01-19 22:31:26 +0300 |
| commit | 7f07c27808e68af92cbf6d352f675248c3ea7cab (patch) | |
| tree | 6004bb24fb9c03c2f06b8d1e8e6154cc80b08e4d | |
| parent | 72c6158e17cd3ef2069423ae70a24b955b1c0b72 (diff) | |
| download | linux-7f07c27808e68af92cbf6d352f675248c3ea7cab.tar.xz | |
ARM: dts: qcom: msm8960: expressatt: Add NFC
Add pn544 NFC chip
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Signed-off-by: Rudraksha Gupta <guptarud@gmail.com>
Link: https://lore.kernel.org/r/20251124-expressatt_nfc_accel_magn_light-v4-3-9c5686ad67e2@gmail.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
| -rw-r--r-- | arch/arm/boot/dts/qcom/qcom-msm8960-samsung-expressatt.dts | 45 |
1 files changed, 45 insertions, 0 deletions
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 8d75ebd7976c..4f9b59db7bc3 100644 --- a/arch/arm/boot/dts/qcom/qcom-msm8960-samsung-expressatt.dts +++ b/arch/arm/boot/dts/qcom/qcom-msm8960-samsung-expressatt.dts @@ -182,6 +182,22 @@ bias-disable; drive-strength = <2>; }; + + nfc_default: nfc-default-state { + irq-pins { + pins = "gpio106"; + function = "gpio"; + drive-strength = <2>; + bias-pull-down; + }; + + firmware-pins { + pins = "gpio92"; + function = "gpio"; + drive-strength = <2>; + bias-disable; + }; + }; }; &pm8921 { @@ -195,6 +211,14 @@ input-enable; bias-disable; }; + + nfc_enable: nfc-enable-state { + pins = "gpio21"; + function = "normal"; + bias-disable; + qcom,drive-strength = <PMIC_GPIO_STRENGTH_LOW>; + power-source = <PM8921_GPIO_S4>; + }; }; &rpm { @@ -442,3 +466,24 @@ dr_mode = "otg"; status = "okay"; }; + +&gsbi7 { + qcom,mode = <GSBI_PROT_I2C>; + + status = "okay"; +}; + +&gsbi7_i2c { + status = "okay"; + + nfc@2b { + compatible = "nxp,pn544-i2c"; + reg = <0x2b>; + interrupts-extended = <&tlmm 106 IRQ_TYPE_EDGE_RISING>; + enable-gpios = <&pm8921_gpio 21 GPIO_ACTIVE_HIGH>; + firmware-gpios = <&tlmm 92 GPIO_ACTIVE_HIGH>; + + pinctrl-0 = <&nfc_default &nfc_enable>; + pinctrl-names = "default"; + }; +}; |