// SPDX-License-Identifier: (GPL-2.0+ OR MIT) /* * Copyright (c) 2021 Rockchip Electronics Co., Ltd. */ / { rockchip_amp: rockchip-amp { compatible = "rockchip,rk3568-amp"; clocks = <&cru SCLK_UART4>, <&cru PCLK_UART4>, <&cru PCLK_TIMER>, <&cru CLK_TIMER4>, <&cru CLK_TIMER5>, <&cru ACLK_MCU>; pinctrl-names = "default"; pinctrl-0 = <&uart4m1_xfer>; status = "okay"; amp_cpus: amp-cpus { amp-cpu3 { id = <0x0 0x300>; entry = <0x0 0x2800000>; boot-on = <0>; mode = <0>; }; }; }; rpmsg: rpmsg@7c00000 { compatible = "rockchip,rk3568-rpmsg"; mbox-names = "rpmsg-rx", "rpmsg-tx"; mboxes = <&mailbox 0 &mailbox 3>; rockchip,vdev-nums = <1>; rockchip,link-id = <0x03>; reg = <0x0 0x7c00000 0x0 0x20000>; memory-region = <&rpmsg_dma_reserved>; status = "okay"; }; reserved-memory { #address-cells = <2>; #size-cells = <2>; ranges; /* remote amp core address */ amp_shmem_reserved: amp-shmem@7800000 { reg = <0x0 0x7800000 0x0 0x400000>; no-map; }; rpmsg_reserved: rpmsg@7c00000 { reg = <0x0 0x7c00000 0x0 0x400000>; no-map; }; rpmsg_dma_reserved: rpmsg-dma@8000000 { compatible = "shared-dma-pool"; reg = <0x0 0x8000000 0x0 0x100000>; no-map; }; /* mcu address */ mcu_reserved: mcu@8200000 { reg = <0x0 0x8200000 0x0 0x100000>; no-map; }; }; }; &mailbox { rockchip,txpoll-period-ms = <1>; status = "okay"; };