boards: st: added tsc peripheral to U0 series

update stm32u0 and stm32u083c_dk for TSC
peripheral

Signed-off-by: Arif Balik <[email protected]>

Author: arifbalik

boards/st/stm32u083c_dk/stm32u083c_dk.dts

@@ -9,6 +9,7 @@
 #include <st/u0/stm32u083mctx-pinctrl.dtsi>
 #include "arduino_r3_connector.dtsi"
 #include <zephyr/dt-bindings/input/input-event-codes.h>
+#include <zephyr/dt-bindings/input/stm32-tsc-defines.h>
 
 / {
 	model = "STMicroelectronics STM32U83C-DK board";
@@ -124,3 +125,30 @@
 		status = "okay";
 	};
 };
+
+&tsc {
+	status = "okay";
+	pinctrl-0 = <&tsc_g1_io1_pb12 &tsc_g1_io2_pb13 &tsc_g6_io1_pd10 &tsc_g6_io2_pd11>;
+	pinctrl-names = "default";
+
+	st,pulse-generator-prescaler = <TSC_PG_PRESCALER_2>;
+	st,charge-transfer-pulse-high = <2>;
+	st,charge-transfer-pulse-low = <2>;
+	st,spread-spectrum;
+	st,spread-spectrum-prescaler = <2>;
+	st,spread-spectrum-deviation = <100>;
+	st,max-count-value = <TSC_MAX_COUNT_8191>;
+
+	tsc_group1: g1 {
+		group = <1>;
+		st,use-as-shield;
+		channel-ios = <TSC_IO2>;
+		sampling-io = <TSC_IO1>;
+	};
+
+	tsc_group6: g6 {
+		group = <6>;
+		channel-ios = <TSC_IO2>;
+		sampling-io = <TSC_IO1>;
+	};
+};

boards/st/stm32u083c_dk/stm32u083c_dk.yaml

@@ -16,5 +16,6 @@ supported:
   - i2c
   - pwm
   - usart
+  - tsc
 ram: 40
 flash: 256

dts/arm/st/u0/stm32u0.dtsi

@@ -541,6 +541,15 @@
 			reg = <0x40009400 0x400>;
 			interrupts = <18 1>;
 			interrupt-names = "combined";
+		};
+
+		tsc: tsc@40024000 {
+			compatible = "st,stm32-tsc";
+			reg = <0x40024000 0x400>;
+			clocks = <&rcc STM32_CLOCK(AHB1, 24U)>;
+			resets = <&rctl STM32_RESET(AHB1, 24U)>;
+			interrupts = <21 0>;
+			interrupt-names = "global";
 			status = "disabled";
 		};
 	};