| /* |
| * Copyright 2023 NXP |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| /dts-v1/; |
| |
| #include <nxp/nxp_mimx93_a55.dtsi> |
| #include "mimx93_evk-pinctrl.dtsi" |
| |
| / { |
| model = "NXP i.MX93 A55"; |
| compatible = "fsl,mimx93"; |
| |
| chosen { |
| zephyr,console = &lpuart2; |
| zephyr,shell-uart = &lpuart2; |
| zephyr,sram = &sram0; |
| }; |
| |
| cpus { |
| cpu@0 { |
| status = "disabled"; |
| }; |
| }; |
| |
| /* Inmate memory, reserved through "mem=1248MB" boot argument, |
| * starts at 0xce000000. |
| */ |
| sram0: memory@ce000000 { |
| reg = <0xce000000 DT_SIZE_M(1)>; |
| }; |
| |
| /* TODO: all of the nodes below are needed by SOF and should |
| * be removed once all drivers used by SOF have been moved |
| * to Zephyr. |
| * |
| * They are added in the DTS for the sake of not using hardcoded |
| * values in mmu_regions.c |
| */ |
| mu2_a: memory@42430000 { |
| reg = <0x42430000 DT_SIZE_K(64)>; |
| }; |
| |
| sai3: memory@42660000 { |
| reg = <0x42660000 DT_SIZE_K(64)>; |
| }; |
| |
| edma2_ch0: memory@42010000 { |
| reg = <0x42010000 DT_SIZE_K(32)>; |
| }; |
| |
| edma2_ch1: memory@42018000 { |
| reg = <0x42018000 DT_SIZE_K(32)>; |
| }; |
| |
| outbox: memory@ce100000 { |
| reg = <0xce100000 DT_SIZE_K(4)>; |
| }; |
| |
| inbox: memory@ce101000 { |
| reg = <0xce101000 DT_SIZE_K(4)>; |
| }; |
| |
| stream: memory@ce102000 { |
| reg = <0xce102000 DT_SIZE_K(4)>; |
| }; |
| |
| /* TODO: this is extremely bad and it's needed here because of |
| * the fact that the DMA buffer shared by host and FW is situated |
| * in this region. For now, it's easier to create a mapping for the |
| * whole region but in the future a mapping should only be created |
| * for the physical address of the buffer sent to the FW through an |
| * IPC. |
| */ |
| host_ram: memory@80000000 { |
| reg = <0x80000000 DT_SIZE_M(1024)>; |
| }; |
| }; |
| |
| &lpuart2 { |
| status = "okay"; |
| current-speed = <115200>; |
| /* clocks = <&ccm IMX_CCM_UART4_CLK 0x6c 24>; */ |
| pinctrl-0 = <&uart2_default>; |
| pinctrl-names = "default"; |
| }; |