diff --git a/arch/arm/boot/dts/stm32mp157a-dk1.dts b/arch/arm/boot/dts/stm32mp157a-dk1.dts index 2bce894b7a4e..5ad4cef9e971 100644 --- a/arch/arm/boot/dts/stm32mp157a-dk1.dts +++ b/arch/arm/boot/dts/stm32mp157a-dk1.dts @@ -97,6 +97,33 @@ sound { }; }; +&adc { + pinctrl-names = "default"; + pinctrl-0 = <&adc12_ain_pins_a>, <&adc12_usb_cc_pins_a>; + vdd-supply = <&vdd>; + vdda-supply = <&vdd>; + vref-supply = <&vrefbuf>; + status = "disabled"; + adc1: adc@0 { + /* + * Type-C USB_PWR_CC1 & USB_PWR_CC2 on in18 & in19. + * Use at least 5 * RC time, e.g. 5 * (Rp + Rd) * C: + * 5 * (56 + 47kOhms) * 5pF => 2.5us. + * Use arbitrary margin here (e.g. 5us). + */ + st,min-sample-time-nsecs = <5000>; + /* AIN connector, USB Type-C CC1 & CC2 */ + st,adc-channels = <0 1 6 13 18 19>; + status = "okay"; + }; + adc2: adc@100 { + /* AIN connector, USB Type-C CC1 & CC2 */ + st,adc-channels = <0 1 2 6 18 19>; + st,min-sample-time-nsecs = <5000>; + status = "okay"; + }; +}; + &cec { pinctrl-names = "default", "sleep"; pinctrl-0 = <&cec_pins_b>;