Add support for ADC (Analog to Digital Converter) to STM32H7. It has 3 ADCs, distributed over two ADC blocks: - ADC1 and ADC2 @0x40022000 - ADC3 @0x58026000 (instantiated separately)
Signed-off-by: Fabrice Gasnier <[email protected]> --- arch/arm/boot/dts/stm32h743.dtsi | 53 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 53 insertions(+) diff --git a/arch/arm/boot/dts/stm32h743.dtsi b/arch/arm/boot/dts/stm32h743.dtsi index 4685629..bc47119 100644 --- a/arch/arm/boot/dts/stm32h743.dtsi +++ b/arch/arm/boot/dts/stm32h743.dtsi @@ -74,6 +74,59 @@ interrupts = <50>; clocks = <&timer_clk>; }; + + adc_12: adc@40022000 { + compatible = "st,stm32h7-adc-core"; + reg = <0x40022000 0x400>; + interrupts = <18>; + clocks = <&timer_clk>; + clock-names = "bus"; + interrupt-controller; + #interrupt-cells = <1>; + #address-cells = <1>; + #size-cells = <0>; + status = "disabled"; + + adc1: adc@0 { + compatible = "st,stm32h7-adc"; + #io-channel-cells = <1>; + reg = <0x0>; + interrupt-parent = <&adc_12>; + interrupts = <0>; + status = "disabled"; + }; + + adc2: adc@100 { + compatible = "st,stm32h7-adc"; + #io-channel-cells = <1>; + reg = <0x100>; + interrupt-parent = <&adc_12>; + interrupts = <1>; + status = "disabled"; + }; + }; + + adc_3: adc@58026000 { + compatible = "st,stm32h7-adc-core"; + reg = <0x58026000 0x400>; + interrupts = <127>; + clocks = <&timer_clk>; + clock-names = "bus"; + interrupt-controller; + #interrupt-cells = <1>; + #address-cells = <1>; + #size-cells = <0>; + status = "disabled"; + + adc3: adc@0 { + compatible = "st,stm32h7-adc"; + #io-channel-cells = <1>; + reg = <0x0>; + interrupt-parent = <&adc_3>; + interrupts = <0>; + status = "disabled"; + }; + }; }; }; -- 1.9.1
