snippets: emulated-gpio: add icbmsg backend for eGPIO

Add icbmsg as possible backend for eGPIO.

Signed-off-by: Magdalena Pastula <[email protected]>

snippets/emulated-gpio/icbmsg/boards/nrf54l15dk_nrf54l15_cpuapp.conf

@@ -0,0 +1,7 @@
+#
+# Copyright (c) 2024 Nordic Semiconductor
+#
+# SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+#
+
+CONFIG_GPIO_NRFE_EGPIO_BACKEND_ICBMSG=y

snippets/emulated-gpio/icbmsg/boards/nrf54l15dk_nrf54l15_cpuapp.overlay

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+/*
+ * Copyright (c) 2024 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+
+/ {
+ soc {
+ reserved-memory {
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ cpuflpr_code_partition: image@165000 {
+ /* FLPR core code partition */
+ reg = <0x165000 DT_SIZE_K(96)>;
+ };
+
+ sram_rx: memory@20018000 {
+ reg = <0x20018000 0x0800>;
+ };
+
+ sram_tx: memory@20020000 {
+ reg = <0x20020000 0x0800>;
+ };
+ };
+
+
+ cpuflpr_sram_code_data: memory@20028000 {
+ compatible = "mmio-sram";
+ reg = <0x20028000 DT_SIZE_K(96)>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges = <0x0 0x20028000 0x18000>;
+ };
+ };
+
+ ipc {
+ ipc0: ipc0 {
+ compatible = "zephyr,ipc-icbmsg";
+ tx-region = <&sram_tx>;
+ rx-region = <&sram_rx>;
+ tx-blocks = <16>;
+ rx-blocks = <18>;
+ mboxes = <&cpuapp_vevif_rx 20>, <&cpuapp_vevif_tx 21>;
+ mbox-names = "rx", "tx";
+ status = "okay";
+ };
+ };
+};
+
+&cpuapp_sram {
+ reg = <0x20000000 DT_SIZE_K(160)>;
+ ranges = <0x0 0x20000000 0x28000>;
+};
+
+&cpuflpr_vpr {
+ execution-memory = <&cpuflpr_sram_code_data>;
+ source-memory = <&cpuflpr_code_partition>;
+};
+
+&gpio2 {
+ status = "disabled";
+};
+
+&cpuapp_vevif_rx {
+ status = "okay";
+};
+
+&cpuapp_vevif_tx {
+ status = "okay";
+};
+
+&egpio {
+ status = "okay";
+};

snippets/emulated-gpio/icbmsg/emulated-gpio.overlay

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+/* Copyright (c) 2024 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+
+&cpuflpr_vpr {
+ status = "okay";
+
+ egpio: gpio {
+ compatible = "nordic,nrf-egpio";
+ gpio-controller;
+ #gpio-cells = <0x2>;
+ ngpios = <0x10>;
+ status = "disabled";
+ port = <0x2>;
+ };
+};

snippets/emulated-gpio/icbmsg/snippet.yml

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+#
+# Copyright (c) 2024 Nordic Semiconductor
+#
+# SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+#
+
+name: emulated-gpio-icbmsg
+append:
+ EXTRA_DTC_OVERLAY_FILE: emulated-gpio.overlay
+
+boards:
+ nrf54l15dk/nrf54l15/cpuapp:
+ append:
+ EXTRA_DTC_OVERLAY_FILE: boards/nrf54l15dk_nrf54l15_cpuapp.overlay
+ EXTRA_CONF_FILE: boards/nrf54l15dk_nrf54l15_cpuapp.conf