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| author | Yedaya Katsman <yedaya.ka@gmail.com> | 2026-02-09 00:24:23 +0300 |
|---|---|---|
| committer | Bjorn Andersson <andersson@kernel.org> | 2026-03-26 17:40:32 +0300 |
| commit | 8cbbb339048a85f7762ea21ebe96a679347dc0dc (patch) | |
| tree | c6bd035281dc021964bab51e8f2e7717b95835fe | |
| parent | 09d72b0ef8b99adb6fc999a6f70e160c7ced932d (diff) | |
| download | linux-8cbbb339048a85f7762ea21ebe96a679347dc0dc.tar.xz | |
arm64: dts: qcom: sm6125-xiaomi-laurel-sprout: Add Focaltech FT3518 touchscreen
Add device tree node for the Focaltech FT3518 touchscreen on
Xiaomi Mi A3 (laurel-sprout).
Enable qupv3_id_0 and i2c2 bus that the touchscreen is on.
Downstream references:
Link: https://github.com/MiCode/Xiaomi_Kernel_OpenSource/blob/laurel-r-oss/arch/arm64/boot/dts/qcom/trinket-pinctrl.dtsi
Link: https://github.com/MiCode/Xiaomi_Kernel_OpenSource/blob/laurel-r-oss/arch/arm64/boot/dts/qcom/laurel_sprout-qrd.dtsi
Co-developed-by: Kamil Gołda <kamil.golda@protonmail.com>
Signed-off-by: Kamil Gołda <kamil.golda@protonmail.com>
Signed-off-by: Yedaya Katsman <yedaya.ka@gmail.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260208-touchscreen-patches-v5-1-5821dff9c9a2@gmail.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
| -rw-r--r-- | arch/arm64/boot/dts/qcom/sm6125-xiaomi-laurel-sprout.dts | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/qcom/sm6125-xiaomi-laurel-sprout.dts b/arch/arm64/boot/dts/qcom/sm6125-xiaomi-laurel-sprout.dts index 994fb0412fcb..97f64cb5d570 100644 --- a/arch/arm64/boot/dts/qcom/sm6125-xiaomi-laurel-sprout.dts +++ b/arch/arm64/boot/dts/qcom/sm6125-xiaomi-laurel-sprout.dts @@ -82,6 +82,19 @@ }; }; + ts_vdd_supply: regulator-ts-vdd { + compatible = "regulator-fixed"; + regulator-name = "ts_vdd_supply"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + startup-delay-us = <70000>; + + enable-active-high; + gpio = <&tlmm 83 GPIO_ACTIVE_HIGH>; + pinctrl-0 = <&ts_vdd_en>; + pinctrl-names = "default"; + }; + thermal-zones { rf-pa0-thermal { thermal-sensors = <&pm6125_adc_tm 0>; @@ -128,6 +141,27 @@ status = "okay"; }; +&i2c2 { + status = "okay"; + + touchscreen@38 { + compatible = "focaltech,ft3518"; + reg = <0x38>; + interrupts-extended = <&tlmm 88 IRQ_TYPE_EDGE_FALLING>; + + vcc-supply = <&ts_vdd_supply>; + + pinctrl-0 = <&ts_int_active &ts_reset_active>; + pinctrl-1 = <&ts_int_suspend &ts_reset_suspend>; + pinctrl-names = "default","sleep"; + + reset-gpios = <&tlmm 87 GPIO_ACTIVE_LOW>; + + touchscreen-size-x = <720>; + touchscreen-size-y = <1560>; + }; +}; + &pm6125_adc { pinctrl-names = "default"; pinctrl-0 = <&camera_flash_therm &emmc_ufs_therm>; @@ -220,6 +254,10 @@ status = "okay"; }; +&qupv3_id_0 { + status = "okay"; +}; + &rpm_requests { regulators-0 { compatible = "qcom,rpm-pm6125-regulators"; @@ -387,6 +425,41 @@ &tlmm { gpio-reserved-ranges = <22 2>, <28 6>; + + ts_vdd_en: ts-vdd-default-state { + pins = "gpio83"; + function = "gpio"; + drive-strength = <2>; + bias-disable; + }; + + ts_reset_active: pmx-ts-reset-active-state { + pins = "gpio87"; + function = "gpio"; + drive-strength = <8>; + bias-pull-up; + }; + + ts_reset_suspend: pmx-ts-reset-suspend-state { + pins = "gpio87"; + function = "gpio"; + drive-strength = <2>; + bias-pull-down; + }; + + ts_int_active: pmx-ts-int-active-state { + pins = "gpio88"; + function = "gpio"; + drive-strength = <8>; + bias-pull-up; + }; + + ts_int_suspend: pmx-ts-int-suspend-state { + pins = "gpio88"; + function = "gpio"; + drive-strength = <2>; + bias-pull-down; + }; }; &ufs_mem_hc { |