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 <fabrice.gasnier@xxxxxx>
---
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
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