| /* |
| * Copyright (c) 2022 NXP |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| / { |
| /* Switch to lpuart2, since primary core uses lpuart1 */ |
| chosen { |
| zephyr,console = &lpuart2; |
| zephyr,shell-uart = &lpuart2; |
| zephyr,ipc_shm = &ocram2_overlay; |
| }; |
| |
| soc { |
| /delete-node/ gpt@400f0000; |
| |
| /* Replace GPT2 with another GPT kernel timer */ |
| gpt2_hw_timer:gpt@400f0000 { |
| compatible = "nxp,gpt-hw-timer"; |
| reg = <0x400f0000 0x4000>; |
| interrupts = <120 0>; |
| status = "okay"; |
| }; |
| }; |
| |
| /* OpenAMP fails with full 512K OCRAM2 memory region as shared memory. |
| * Define a subset of the OCRAM2 region for demo to use |
| * Note that shared memory must have specific MPU attributes set |
| */ |
| ocram2_overlay: memory@202c0000 { |
| compatible = "zephyr,memory-region", "mmio-sram"; |
| reg = <0x202c0000 DT_SIZE_K(16)>; |
| zephyr,memory-region="OCRAM2_OVERLAY"; |
| zephyr,memory-region-mpu = "IO"; |
| }; |
| }; |
| |
| /* Enable secondary LPUART */ |
| &lpuart2 { |
| status = "okay"; |
| current-speed = <115200>; |
| }; |
| |
| /* Disable primary GPT timer */ |
| &gpt_hw_timer { |
| status = "disabled"; |
| }; |
