rockchip

rk3568-amp.dtsi

@@ -0,0 +1,73 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2023 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>;
+			};
+		};
+	};
+
+	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;
+		};
+	};
+
+	rpmsg: rpmsg@7c00000 {
+		compatible = "rockchip,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";
+	};
+};
+
+&mailbox {
+	rockchip,txpoll-period-ms = <1>;
+	status = "okay";
+};
+