diff options
| -rw-r--r-- | arch/arm/boot/dts/st/stm32mp13-pinctrl.dtsi | 22 | ||||
| -rw-r--r-- | arch/arm/boot/dts/st/stm32mp135f-dk.dts | 14 |
2 files changed, 36 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/st/stm32mp13-pinctrl.dtsi b/arch/arm/boot/dts/st/stm32mp13-pinctrl.dtsi index b423d182aefd..66efef93251f 100644 --- a/arch/arm/boot/dts/st/stm32mp13-pinctrl.dtsi +++ b/arch/arm/boot/dts/st/stm32mp13-pinctrl.dtsi @@ -46,6 +46,28 @@ }; }; + goodix_pins_a: goodix-0 { + /* + * touchscreen reset needs to be configured + * via the pinctrl not the driver (a pull-down resistor + * has been soldered onto the reset line which forces + * the touchscreen to reset state). + */ + pins1 { + pinmux = <STM32_PINMUX('H', 2, GPIO)>; + output-high; + bias-pull-up; + }; + /* + * Interrupt line must have a pull-down resistor + * in order to freeze the i2c address at 0x5D + */ + pins2 { + pinmux = <STM32_PINMUX('F', 5, GPIO)>; + bias-pull-down; + }; + }; + i2c1_pins_a: i2c1-0 { pins { pinmux = <STM32_PINMUX('D', 12, AF5)>, /* I2C1_SCL */ diff --git a/arch/arm/boot/dts/st/stm32mp135f-dk.dts b/arch/arm/boot/dts/st/stm32mp135f-dk.dts index e43bb9b74b87..970de441fbaa 100644 --- a/arch/arm/boot/dts/st/stm32mp135f-dk.dts +++ b/arch/arm/boot/dts/st/stm32mp135f-dk.dts @@ -288,6 +288,20 @@ }; }; }; + + goodix: goodix-ts@5d { + compatible = "goodix,gt911"; + reg = <0x5d>; + pinctrl-names = "default"; + pinctrl-0 = <&goodix_pins_a>; + interrupt-parent = <&gpiof>; + interrupts = <5 IRQ_TYPE_EDGE_FALLING>; + AVDD28-supply = <&scmi_v3v3_sw>; + VDDIO-supply = <&scmi_v3v3_sw>; + touchscreen-size-x = <480>; + touchscreen-size-y = <272>; + status = "okay" ; + }; }; &iwdg2 { |