[nrf fromtree] samples: basic: add support for nRF54H20 cpuppr PWM

Added support for nRF54H20 cpuppr PWM in blinky_pwm and
fade_led sample.

Signed-off-by: Michał Stasiak <[email protected]>
(cherry picked from commit 5b34d77)

Author: mstasiaknordic

samples/basic/blinky_pwm/boards/nrf54h20dk_nrf54h20_cpuppr.overlay

@@ -0,0 +1,21 @@
+#include <zephyr/dt-bindings/pwm/pwm.h>
+
+/ {
+	aliases {
+		pwm-led0 = &pwm_led2;
+	};
+
+	pwmleds {
+		compatible = "pwm-leds";
+		pwm_led2: pwm_led_2 {
+			pwms = <&pwm130 0 PWM_MSEC(20) PWM_POLARITY_NORMAL>;
+		};
+	};
+};
+
+&pwm130 {
+	status = "okay";
+	pinctrl-0 = <&pwm130_default>;
+	pinctrl-1 = <&pwm130_sleep>;
+	pinctrl-names = "default", "sleep";
+};

samples/basic/blinky_pwm/sysbuild/vpr_launcher/boards/nrf54h20dk_nrf54h20_cpuapp.overlay

@@ -0,0 +1,4 @@
+&pwm130 {
+	status = "reserved";
+	interrupt-parent = <&cpuppr_clic>;
+};

samples/basic/blinky_pwm/sysbuild/vpr_launcher/prj.conf

@@ -0,0 +1 @@
+# nothing here

samples/basic/fade_led/boards/nrf54h20dk_nrf54h20_cpuppr.overlay

@@ -0,0 +1,21 @@
+#include <zephyr/dt-bindings/pwm/pwm.h>
+
+/ {
+	aliases {
+		pwm-led0 = &pwm_led2;
+	};
+
+	pwmleds {
+		compatible = "pwm-leds";
+		pwm_led2: pwm_led_2 {
+			pwms = <&pwm130 0 PWM_MSEC(20) PWM_POLARITY_NORMAL>;
+		};
+	};
+};
+
+&pwm130 {
+	status = "okay";
+	pinctrl-0 = <&pwm130_default>;
+	pinctrl-1 = <&pwm130_sleep>;
+	pinctrl-names = "default", "sleep";
+};

samples/basic/fade_led/sysbuild/vpr_launcher/boards/nrf54h20dk_nrf54h20_cpuapp.overlay

@@ -0,0 +1,4 @@
+&pwm130 {
+	status = "reserved";
+	interrupt-parent = <&cpuppr_clic>;
+};

samples/basic/fade_led/sysbuild/vpr_launcher/prj.conf

@@ -0,0 +1 @@
+# nothing here