applications: nrf_desktop: Add nRF54L10 support

nRF54L10 is emulated on nRF54L15 DK.

Jira: NCSDK-30311

Signed-off-by: Marek Pieta <[email protected]>

applications/nrf_desktop/configuration/nrf54l15dk_nrf54l10_cpuapp/app.overlay

@@ -0,0 +1,7 @@
+/*
+ * Copyright (c) 2025 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+
+#include "app_common.dtsi"

applications/nrf_desktop/configuration/nrf54l15dk_nrf54l10_cpuapp/app_common.dtsi

@@ -0,0 +1,112 @@
+/*
+ * Copyright (c) 2025 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+
+/* Application does not use cpuflpr core. Assign whole RRAM to cpuapp. */
+&cpuapp_rram {
+	reg = < 0x0 DT_SIZE_K(1022) >;
+};
+
+/ {
+	/* Disable pwmleds and redefine them to align configuration with CAF LEDs requirements.
+	 * The configuration needs to match the used board revision.
+	 */
+	/delete-node/ pwmleds;
+
+	pwmleds0 {
+		compatible = "pwm-leds";
+		status = "okay";
+
+		pwm_led0: led_pwm_0 {
+			status = "okay";
+			pwms = <&pwm20 0 PWM_MSEC(20) PWM_POLARITY_NORMAL>;
+			label = "LED System State";
+		};
+	};
+
+	pwmleds1 {
+		compatible = "pwm-leds";
+		status = "okay";
+
+		pwm_led1: led_pwm_1 {
+			status = "okay";
+			pwms = <&pwm21 0 PWM_MSEC(20) PWM_POLARITY_NORMAL>;
+			label = "LED Conn State";
+		};
+	};
+
+	pwmleds2 {
+		compatible = "pwm-leds";
+		status = "okay";
+
+		pwm_led2: led_pwm_2 {
+			status = "okay";
+			pwms = <&pwm22 0 PWM_MSEC(20) PWM_POLARITY_NORMAL>;
+			label = "LED Num Lock";
+		};
+	};
+};
+
+&pwm20 {
+	status = "okay";
+	pinctrl-0 = <&pwm20_default_alt>;
+	pinctrl-1 = <&pwm20_sleep_alt>;
+	pinctrl-names = "default", "sleep";
+};
+
+&pwm21 {
+	status = "okay";
+	pinctrl-0 = <&pwm21_default_alt>;
+	pinctrl-1 = <&pwm21_sleep_alt>;
+	pinctrl-names = "default", "sleep";
+};
+
+&pwm22 {
+	status = "okay";
+	pinctrl-0 = <&pwm22_default_alt>;
+	pinctrl-1 = <&pwm22_sleep_alt>;
+	pinctrl-names = "default", "sleep";
+};
+
+&pinctrl {
+	pwm20_default_alt: pwm20_default_alt {
+		group1 {
+			psels = <NRF_PSEL(PWM_OUT0, 2, 9)>;
+		};
+	};
+
+	pwm20_sleep_alt: pwm20_sleep_alt {
+		group1 {
+			psels = <NRF_PSEL(PWM_OUT0, 2, 9)>;
+			low-power-enable;
+		};
+	};
+
+	pwm21_default_alt: pwm21_default_alt {
+		group1 {
+			psels = <NRF_PSEL(PWM_OUT0, 1, 10)>;
+		};
+	};
+
+	pwm21_sleep_alt: pwm21_sleep_alt {
+		group1 {
+			psels = <NRF_PSEL(PWM_OUT0, 1, 10)>;
+			low-power-enable;
+		};
+	};
+
+	pwm22_default_alt: pwm22_default_alt {
+		group1 {
+			psels = <NRF_PSEL(PWM_OUT0, 2, 7)>;
+		};
+	};
+
+	pwm22_sleep_alt: pwm22_sleep_alt {
+		group1 {
+			psels = <NRF_PSEL(PWM_OUT0, 2, 7)>;
+			low-power-enable;
+		};
+	};
+};

applications/nrf_desktop/configuration/nrf54l15dk_nrf54l10_cpuapp/app_release.overlay

@@ -0,0 +1,12 @@
+/*
+ * Copyright (c) 2025 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+
+#include "app_common.dtsi"
+
+/* For nRF54L, watchdog status is disabled by default. Needs to be enabled in DTS overlay. */
+&wdt31 {
+	status = "okay";
+};

applications/nrf_desktop/configuration/nrf54l15dk_nrf54l10_cpuapp/buttons_def.h

@@ -0,0 +1,25 @@
+/*
+ * Copyright (c) 2025 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+
+#include <caf/gpio_pins.h>
+
+/* This configuration file is included only once from button module and holds
+ * information about pins forming keyboard matrix.
+ */
+
+/* This structure enforces the header file is included only once in the build.
+ * Violating this requirement triggers a multiple definition error at link time.
+ */
+const struct {} buttons_def_include_once;
+
+static const struct gpio_pin col[] = {};
+
+static const struct gpio_pin row[] = {
+	{ .port = 1, .pin = DT_GPIO_PIN(DT_NODELABEL(button0), gpios) },
+	{ .port = 1, .pin = DT_GPIO_PIN(DT_NODELABEL(button1), gpios) },
+	{ .port = 1, .pin = DT_GPIO_PIN(DT_NODELABEL(button2), gpios) },
+	{ .port = 0, .pin = DT_GPIO_PIN(DT_NODELABEL(button3), gpios) },
+};

applications/nrf_desktop/configuration/nrf54l15dk_nrf54l10_cpuapp/buttons_sim_def.h

@@ -0,0 +1,26 @@
+/*
+ * Copyright (c) 2025 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+
+#include <caf/key_id.h>
+
+/* This configuration file is included only once from buttons_sim module
+ * and holds information about generated button presses sequence.
+ */
+
+/* This structure enforces the header file is included only once in the build.
+ * Violating this requirement triggers a multiple definition error at link time.
+ */
+const struct {} buttons_sim_def_include_once;
+
+const static uint16_t simulated_key_sequence[] = {
+	KEY_ID(0x00, 0x11), /* N */
+	KEY_ID(0x00, 0x12), /* O */
+	KEY_ID(0x00, 0x15), /* R */
+	KEY_ID(0x00, 0x07), /* D */
+	KEY_ID(0x00, 0x0C), /* I */
+	KEY_ID(0x00, 0x06), /* C */
+	KEY_ID(0x00, 0x2C), /* spacebar */
+};

applications/nrf_desktop/configuration/nrf54l15dk_nrf54l10_cpuapp/click_detector_def.h

@@ -0,0 +1,25 @@
+/*
+ * Copyright (c) 2025 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+
+#include <caf/click_detector.h>
+
+/* This configuration file is included only once from click_detector module
+ * and holds information about click detector configuration.
+ */
+
+/* This structure enforces the header file is included only once in the build.
+ * Violating this requirement triggers a multiple definition error at link time.
+ */
+const struct {} click_detector_def_include_once;
+
+static const struct click_detector_config click_detector_config[] = {
+#if CONFIG_DESKTOP_BLE_PEER_CONTROL
+	{
+		.key_id = CONFIG_DESKTOP_BLE_PEER_CONTROL_BUTTON,
+		.consume_button_event = false,
+	},
+#endif /* CONFIG_DESKTOP_BLE_PEER_CONTROL */
+};

applications/nrf_desktop/configuration/nrf54l15dk_nrf54l10_cpuapp/hid_keyboard_leds_def.h

@@ -0,0 +1,23 @@
+/*
+ * Copyright (c) 2025 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+
+#include "hid_keyboard_leds.h"
+
+/* This configuration file is included only once from hid_state module and holds
+ * information about LEDs associated with HID keyboard LEDs report.
+ */
+
+/* This structure enforces the header file is included only once in the build.
+ * Violating this requirement triggers a multiple definition error at link time.
+ */
+const struct {} hid_keyboard_leds_def_include_once;
+
+static const struct led_effect keyboard_led_on = LED_EFFECT_LED_ON(LED_COLOR(255, 255, 255));
+static const struct led_effect keyboard_led_off = LED_EFFECT_LED_OFF();
+
+/* Map HID keyboard LEDs to application LED IDs. */
+static const uint8_t keyboard_led_map[] = {
+};

applications/nrf_desktop/configuration/nrf54l15dk_nrf54l10_cpuapp/hid_keyboard_leds_def_keyboard.h

@@ -0,0 +1,36 @@
+/*
+ * Copyright (c) 2025 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+
+#include "hid_keyboard_leds.h"
+
+/* This configuration file is included only once from hid_state module and holds
+ * information about LEDs associated with HID keyboard LEDs report.
+ */
+
+/* This structure enforces the header file is included only once in the build.
+ * Violating this requirement triggers a multiple definition error at link time.
+ */
+const struct {} hid_keyboard_leds_def_include_once;
+
+/* On the nRF54L10 SoC, you can only use the **GPIO1** port for PWM hardware peripheral output.
+ * Because of that, on the DK PCA10156 revision v0.8.1, **LED 0** and **LED 2** cannot be used for
+ * PWM output.
+ *
+ * You can still use these LEDs with the PWM LED driver, but you must set the LED color to
+ * ``LED_COLOR(255, 255, 255)`` or ``LED_COLOR(0, 0, 0)``. This ensures the PWM peripheral is not
+ * used for the mentioned LEDs.
+ */
+static const struct led_effect keyboard_led_on = LED_EFFECT_LED_ON(LED_COLOR(255, 255, 255));
+static const struct led_effect keyboard_led_off = LED_EFFECT_LED_OFF();
+
+/* Map HID keyboard LEDs to application LED IDs. */
+static const uint8_t keyboard_led_map[] = {
+	[HID_KEYBOARD_LEDS_NUM_LOCK] = 2,
+	[HID_KEYBOARD_LEDS_CAPS_LOCK] = LED_UNAVAILABLE,
+	[HID_KEYBOARD_LEDS_SCROLL_LOCK] = LED_UNAVAILABLE,
+	[HID_KEYBOARD_LEDS_COMPOSE] = LED_UNAVAILABLE,
+	[HID_KEYBOARD_LEDS_KANA] = LED_UNAVAILABLE,
+};

applications/nrf_desktop/configuration/nrf54l15dk_nrf54l10_cpuapp/hid_keymap_def.h

@@ -0,0 +1,28 @@
+/*
+ * Copyright (c) 2025 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+
+#include "hid_keymap.h"
+#include <caf/key_id.h>
+
+/* This configuration file is included only once from hid_state module and holds
+ * information about mapping between buttons and generated reports.
+ */
+
+/* This structure enforces the header file is included only once in the build.
+ * Violating this requirement triggers a multiple definition error at link time.
+ */
+const struct {} hid_keymap_def_include_once;
+
+/*
+ * HID keymap. The Consumer Control keys are defined in section 15 of
+ * the HID Usage Tables document under the following URL:
+ * https://www.usb.org/sites/default/files/hut1_12.pdf
+ */
+static const struct hid_keymap hid_keymap[] = {
+	/* Intentionally left empty. nRF54L DK by default uses all buttons only to control
+	 * generating motion.
+	 */
+};

applications/nrf_desktop/configuration/nrf54l15dk_nrf54l10_cpuapp/hid_keymap_def_keyboard.h

@@ -0,0 +1,57 @@
+/*
+ * Copyright (c) 2025 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+
+#include "hid_keymap.h"
+#include <caf/key_id.h>
+
+/* This configuration file is included only once from hid_state module and holds
+ * information about mapping between buttons and generated reports.
+ */
+
+/* This structure enforces the header file is included only once in the build.
+ * Violating this requirement triggers a multiple definition error at link time.
+ */
+const struct {} hid_keymap_def_include_once;
+
+/*
+ * HID keymap. The Consumer Control keys are defined in section 15 of
+ * the HID Usage Tables document under the following URL:
+ * https://www.usb.org/sites/default/files/hut1_12.pdf
+ */
+static const struct hid_keymap hid_keymap[] = {
+	{ KEY_ID(0x00, 0x00), 0x0004, REPORT_ID_KEYBOARD_KEYS }, /* A */
+	{ KEY_ID(0x00, 0x01), 0x0005, REPORT_ID_KEYBOARD_KEYS }, /* B */
+	{ KEY_ID(0x00, 0x02), 0x00E1, REPORT_ID_KEYBOARD_KEYS }, /* left shift */
+
+	{ KEY_ID(0x00, 0x04), 0x0004, REPORT_ID_KEYBOARD_KEYS }, /* A */
+	{ KEY_ID(0x00, 0x05), 0x0005, REPORT_ID_KEYBOARD_KEYS }, /* B */
+	{ KEY_ID(0x00, 0x06), 0x0006, REPORT_ID_KEYBOARD_KEYS }, /* C */
+	{ KEY_ID(0x00, 0x07), 0x0007, REPORT_ID_KEYBOARD_KEYS }, /* D */
+	{ KEY_ID(0x00, 0x08), 0x0008, REPORT_ID_KEYBOARD_KEYS }, /* E */
+	{ KEY_ID(0x00, 0x09), 0x0009, REPORT_ID_KEYBOARD_KEYS }, /* F */
+	{ KEY_ID(0x00, 0x0A), 0x000A, REPORT_ID_KEYBOARD_KEYS }, /* G */
+	{ KEY_ID(0x00, 0x0B), 0x000B, REPORT_ID_KEYBOARD_KEYS }, /* H */
+	{ KEY_ID(0x00, 0x0C), 0x000C, REPORT_ID_KEYBOARD_KEYS }, /* I */
+	{ KEY_ID(0x00, 0x0D), 0x000D, REPORT_ID_KEYBOARD_KEYS }, /* J */
+	{ KEY_ID(0x00, 0x0E), 0x000E, REPORT_ID_KEYBOARD_KEYS }, /* K */
+	{ KEY_ID(0x00, 0x0F), 0x000F, REPORT_ID_KEYBOARD_KEYS }, /* L */
+	{ KEY_ID(0x00, 0x10), 0x0010, REPORT_ID_KEYBOARD_KEYS }, /* M */
+	{ KEY_ID(0x00, 0x11), 0x0011, REPORT_ID_KEYBOARD_KEYS }, /* N */
+	{ KEY_ID(0x00, 0x12), 0x0012, REPORT_ID_KEYBOARD_KEYS }, /* O */
+	{ KEY_ID(0x00, 0x13), 0x0013, REPORT_ID_KEYBOARD_KEYS }, /* P */
+	{ KEY_ID(0x00, 0x14), 0x0014, REPORT_ID_KEYBOARD_KEYS }, /* Q */
+	{ KEY_ID(0x00, 0x15), 0x0015, REPORT_ID_KEYBOARD_KEYS }, /* R */
+	{ KEY_ID(0x00, 0x16), 0x0016, REPORT_ID_KEYBOARD_KEYS }, /* S */
+	{ KEY_ID(0x00, 0x17), 0x0017, REPORT_ID_KEYBOARD_KEYS }, /* T */
+	{ KEY_ID(0x00, 0x18), 0x0018, REPORT_ID_KEYBOARD_KEYS }, /* U */
+	{ KEY_ID(0x00, 0x19), 0x0019, REPORT_ID_KEYBOARD_KEYS }, /* V */
+	{ KEY_ID(0x00, 0x1A), 0x001A, REPORT_ID_KEYBOARD_KEYS }, /* W */
+	{ KEY_ID(0x00, 0x1B), 0x001B, REPORT_ID_KEYBOARD_KEYS }, /* X */
+	{ KEY_ID(0x00, 0x1C), 0x001C, REPORT_ID_KEYBOARD_KEYS }, /* Y */
+	{ KEY_ID(0x00, 0x1D), 0x001D, REPORT_ID_KEYBOARD_KEYS }, /* Z */
+
+	{ KEY_ID(0x00, 0x2C), 0x002C, REPORT_ID_KEYBOARD_KEYS }, /* spacebar */
+};

applications/nrf_desktop/configuration/nrf54l15dk_nrf54l10_cpuapp/images/mcuboot/app.overlay

@@ -0,0 +1,10 @@
+/*
+ * Copyright (c) 2025 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+
+/* Application does not use cpuflpr core. Assign whole RRAM to cpuapp. */
+&cpuapp_rram {
+	reg = < 0x0 DT_SIZE_K(1022) >;
+};

applications/nrf_desktop/configuration/nrf54l15dk_nrf54l10_cpuapp/images/mcuboot/mcuboot_private.pem

@@ -0,0 +1,3 @@
+-----BEGIN PRIVATE KEY-----
+MC4CAQAwBQYDK2VwBCIEICxK09VLg3mY0uIQ62fgaMuz1qjOfxMt+XnWxwPCwkFX
+-----END PRIVATE KEY-----

applications/nrf_desktop/configuration/nrf54l15dk_nrf54l10_cpuapp/images/mcuboot/mcuboot_private_fast_pair.pem

@@ -0,0 +1,3 @@
+-----BEGIN PRIVATE KEY-----
+MC4CAQAwBQYDK2VwBCIEIImWgCnsM8sTv2qWYujZjhofdi6OtjD7SuVksrCHztRP
+-----END PRIVATE KEY-----