Linux-6.18.2/arch/arm64/boot/dts/ti/k3-am65-ti-ipc-firmware.dtsi
2025-12-23 20:06:59 +08:00

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// SPDX-License-Identifier: GPL-2.0-only OR MIT
/**
* Device Tree Source for enabling IPC using TI SDK firmware on AM65 SoCs
*
* Copyright (C) 2016-2025 Texas Instruments Incorporated - https://www.ti.com/
*/
&reserved_memory {
mcu_r5fss0_core1_dma_memory_region: memory@a1000000 {
compatible = "shared-dma-pool";
reg = <0 0xa1000000 0 0x100000>;
no-map;
};
mcu_r5fss0_core1_memory_region: memory@a1100000 {
compatible = "shared-dma-pool";
reg = <0 0xa1100000 0 0xf00000>;
no-map;
};
rtos_ipc_memory_region: memory@a2000000 {
reg = <0x00 0xa2000000 0x00 0x00100000>;
alignment = <0x1000>;
no-map;
};
};
&mailbox0_cluster0 {
status = "okay";
interrupts = <436>;
mbox_mcu_r5fss0_core0: mbox-mcu-r5fss0-core0 {
ti,mbox-tx = <1 0 0>;
ti,mbox-rx = <0 0 0>;
};
};
&mailbox0_cluster1 {
status = "okay";
interrupts = <432>;
mbox_mcu_r5fss0_core1: mbox-mcu-r5fss0-core1 {
ti,mbox-tx = <1 0 0>;
ti,mbox-rx = <0 0 0>;
};
};
&mcu_r5fss0 {
status = "okay";
};
&mcu_r5fss0_core0 {
memory-region = <&mcu_r5fss0_core0_dma_memory_region>,
<&mcu_r5fss0_core0_memory_region>;
mboxes = <&mailbox0_cluster0 &mbox_mcu_r5fss0_core0>;
status = "okay";
};
&mcu_r5fss0_core1 {
memory-region = <&mcu_r5fss0_core1_dma_memory_region>,
<&mcu_r5fss0_core1_memory_region>;
mboxes = <&mailbox0_cluster1 &mbox_mcu_r5fss0_core1>;
status = "okay";
};