boards: microchip: sam_e54_xpro: Enabled blinky pwm support

Added the pinmuxing as well as the dts node for supporting
blinky on sam_e54_xpro board.

Signed-off-by: Muhammed Asif <[email protected]>

Author: mchp-asif

boards/microchip/sam/sam_e54_xpro/sam_e54_xpro-pinctrl.dtsi

@@ -13,4 +13,10 @@
 				 <PB24D_SERCOM2_PAD1>;
 		};
 	};
+
+	tcc0_pwm_default: tcc0_pwm_default {
+		group1 {
+			pinmux = <PC18F_TCC0_WO2>;
+		};
+	};
 };

boards/microchip/sam/sam_e54_xpro/sam_e54_xpro.dts

@@ -19,6 +19,19 @@
 		zephyr,sram = &sram0;
 		zephyr,flash = &flash0;
 	};
+
+	aliases {
+		pwm-led0 = &pwm_led0;
+	};
+
+	pwmleds {
+		compatible = "pwm-leds";
+
+		pwm_led0: pwm_led_0 {
+			status = "okay";
+			pwms = <&tcc0 2 PWM_MSEC(20) 0>;
+		};
+	};
 };
 
 &flash0 {
@@ -60,3 +73,14 @@
 	pinctrl-0 = <&sercom2_uart_default>;
 	pinctrl-names = "default";
 };
+
+&tcc0 {
+	compatible = "microchip,tcc-g1-pwm";
+	status = "okay";
+	#pwm-cells = <3>;
+	pinctrl-0 = <&tcc0_pwm_default>;
+	pinctrl-names = "default";
+	max-bit-width = <24>;
+	prescaler = <8>;
+	channels = <6>;
+};

boards/microchip/sam/sam_e54_xpro/sam_e54_xpro.yaml

@@ -11,6 +11,7 @@ flash: 1024
 ram: 256
 supported:
   - pinctrl
+  - pwm
   - shell
   - uart
 vendor: microchip