A1-724 uses a Focaltech FT5446 touchscreen that is connected to blsp_i2c5. Add it to the device tree. Signed-off-by: Lin, Meng-Bo <linmengbo0689@xxxxxxxxxxxxxx> --- .../boot/dts/qcom/msm8916-acer-a1-724.dts | 42 +++++++++++++++++++ 1 file changed, 42 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/msm8916-acer-a1-724.dts b/arch/arm64/boot/dts/qcom/msm8916-acer-a1-724.dts index bea0d022dd9a..5b216107f69b 100644 --- a/arch/arm64/boot/dts/qcom/msm8916-acer-a1-724.dts +++ b/arch/arm64/boot/dts/qcom/msm8916-acer-a1-724.dts @@ -81,6 +81,30 @@ magnetometer@12 { }; }; +&blsp_i2c5 { + status = "okay"; + + touchscreen@38 { + /* Actually ft5446 */ + compatible = "edt,edt-ft5406"; + reg = <0x38>; + + interrupt-parent = <&msmgpio>; + interrupts = <13 IRQ_TYPE_LEVEL_LOW>; + + reset-gpios = <&msmgpio 12 GPIO_ACTIVE_LOW>; + + vcc-supply = <&pm8916_l16>; + iovcc-supply = <&pm8916_l6>; + + touchscreen-size-x = <720>; + touchscreen-size-y = <1280>; + + pinctrl-names = "default"; + pinctrl-0 = <&touchscreen_default>; + }; +}; + &blsp1_uart2 { status = "okay"; }; @@ -245,6 +269,24 @@ gpio_keys_default: gpio-keys-default-state { bias-pull-up; }; + touchscreen_default: touchscreen-default-state { + reset-pins { + pins = "gpio12"; + function = "gpio"; + + drive-strength = <2>; + bias-disable; + }; + + touchscreen-pins { + pins = "gpio13"; + function = "gpio"; + + drive-strength = <2>; + bias-pull-up; + }; + }; + usb_id_default: usb-id-default-state { pins = "gpio110"; function = "gpio"; -- 2.30.2