1// SPDX-License-Identifier: GPL-2.0-only OR MIT 2/** 3 * Device Tree Source for enabling IPC using TI SDK firmware on AM62 SoCs 4 * 5 * Copyright (C) 2021-2025 Texas Instruments Incorporated - https://www.ti.com/ 6 */ 7 8&reserved_memory { 9 mcu_m4fss_dma_memory_region: memory@9cb00000 { 10 compatible = "shared-dma-pool"; 11 reg = <0x00 0x9cb00000 0x00 0x100000>; 12 no-map; 13 }; 14 15 mcu_m4fss_memory_region: memory@9cc00000 { 16 compatible = "shared-dma-pool"; 17 reg = <0x00 0x9cc00000 0x00 0xe00000>; 18 no-map; 19 }; 20}; 21 22&mailbox0_cluster0 { 23 status = "okay"; 24 25 mbox_m4_0: mbox-m4-0 { 26 ti,mbox-rx = <0 0 0>; 27 ti,mbox-tx = <1 0 0>; 28 }; 29 30 mbox_r5_0: mbox-r5-0 { 31 ti,mbox-rx = <2 0 0>; 32 ti,mbox-tx = <3 0 0>; 33 }; 34}; 35 36&mcu_m4fss { 37 mboxes = <&mailbox0_cluster0 &mbox_m4_0>; 38 memory-region = <&mcu_m4fss_dma_memory_region>, 39 <&mcu_m4fss_memory_region>; 40 status = "okay"; 41}; 42 43&wkup_r5fss0 { 44 status = "okay"; 45}; 46 47&wkup_r5fss0_core0 { 48 mboxes = <&mailbox0_cluster0 &mbox_r5_0>; 49 memory-region = <&wkup_r5fss0_core0_dma_memory_region>, 50 <&wkup_r5fss0_core0_memory_region>; 51 status = "okay"; 52}; 53