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diff --git a/arch/arm64/boot/dts/ti/k3-j721e.dtsi b/arch/arm64/boot/dts/ti/k3-j721e.dtsi
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index 000000000000..f8dd74b17bfb
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+++ b/arch/arm64/boot/dts/ti/k3-j721e.dtsi
@@ -0,0 +1,177 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Device Tree Source for J721E SoC Family
+ *
+ * Copyright (C) 2016-2019 Texas Instruments Incorporated - http://www.ti.com/
+ */
+
+#include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/pinctrl/k3.h>
+
+/ {
+ model = "Texas Instruments K3 J721E SoC";
+ compatible = "ti,j721e";
+ interrupt-parent = <&gic500>;
+ #address-cells = <2>;
+ #size-cells = <2>;
+
+ aliases {
+ serial0 = &wkup_uart0;
+ serial1 = &mcu_uart0;
+ serial2 = &main_uart0;
+ serial3 = &main_uart1;
+ serial4 = &main_uart2;
+ serial5 = &main_uart3;
+ serial6 = &main_uart4;
+ serial7 = &main_uart5;
+ serial8 = &main_uart6;
+ serial9 = &main_uart7;
+ serial10 = &main_uart8;
+ serial11 = &main_uart9;
+ };
+
+ chosen { };
+
+ cpus {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ cpu-map {
+ cluster0: cluster0 {
+ core0 {
+ cpu = <&cpu0>;
+ };
+
+ core1 {
+ cpu = <&cpu1>;
+ };
+ };
+
+ };
+
+ cpu0: cpu@0 {
+ compatible = "arm,cortex-a72";
+ reg = <0x000>;
+ device_type = "cpu";
+ enable-method = "psci";
+ i-cache-size = <0xC000>;
+ i-cache-line-size = <64>;
+ i-cache-sets = <256>;
+ d-cache-size = <0x8000>;
+ d-cache-line-size = <64>;
+ d-cache-sets = <128>;
+ next-level-cache = <&L2_0>;
+ };
+
+ cpu1: cpu@1 {
+ compatible = "arm,cortex-a72";
+ reg = <0x001>;
+ device_type = "cpu";
+ enable-method = "psci";
+ i-cache-size = <0xC000>;
+ i-cache-line-size = <64>;
+ i-cache-sets = <256>;
+ d-cache-size = <0x8000>;
+ d-cache-line-size = <64>;
+ d-cache-sets = <128>;
+ next-level-cache = <&L2_0>;
+ };
+ };
+
+ L2_0: l2-cache0 {
+ compatible = "cache";
+ cache-level = <2>;
+ cache-size = <0x100000>;
+ cache-line-size = <64>;
+ cache-sets = <2048>;
+ next-level-cache = <&msmc_l3>;
+ };
+
+ msmc_l3: l3-cache0 {
+ compatible = "cache";
+ cache-level = <3>;
+ };
+
+ firmware {
+ optee {
+ compatible = "linaro,optee-tz";
+ method = "smc";
+ };
+
+ psci: psci {
+ compatible = "arm,psci-1.0";
+ method = "smc";
+ };
+ };
+
+ a72_timer0: timer-cl0-cpu0 {
+ compatible = "arm,armv8-timer";
+ interrupts = <GIC_PPI 13 IRQ_TYPE_LEVEL_LOW>, /* cntpsirq */
+ <GIC_PPI 14 IRQ_TYPE_LEVEL_LOW>, /* cntpnsirq */
+ <GIC_PPI 11 IRQ_TYPE_LEVEL_LOW>, /* cntvirq */
+ <GIC_PPI 10 IRQ_TYPE_LEVEL_LOW>; /* cnthpirq */
+ };
+
+ pmu: pmu {
+ compatible = "arm,armv8-pmuv3";
+ /* Recommendation from GIC500 TRM Table A.3 */
+ interrupts = <GIC_PPI 7 IRQ_TYPE_LEVEL_HIGH>;
+ };
+
+ cbass_main: interconnect@100000 {
+ compatible = "simple-bus";
+ #address-cells = <2>;
+ #size-cells = <2>;
+ ranges = <0x00 0x00100000 0x00 0x00100000 0x00 0x00020000>, /* ctrl mmr */
+ <0x00 0x00600000 0x00 0x00600000 0x00 0x00031100>, /* GPIO */
+ <0x00 0x00900000 0x00 0x00900000 0x00 0x00012000>, /* serdes */
+ <0x00 0x00A40000 0x00 0x00A40000 0x00 0x00000800>, /* timesync router */
+ <0x00 0x01000000 0x00 0x01000000 0x00 0x0af02400>, /* Most peripherals */
+ <0x00 0x30800000 0x00 0x30800000 0x00 0x0bc00000>, /* MAIN NAVSS */
+ <0x00 0x0d000000 0x00 0x0d000000 0x00 0x01000000>, /* PCIe Core*/
+ <0x00 0x10000000 0x00 0x10000000 0x00 0x10000000>, /* PCIe DAT */
+ <0x00 0x64800000 0x00 0x64800000 0x00 0x00800000>, /* C71 */
+ <0x4d 0x80800000 0x4d 0x80800000 0x00 0x00800000>, /* C66_0 */
+ <0x4d 0x81800000 0x4d 0x81800000 0x00 0x00800000>, /* C66_1 */
+ <0x4e 0x20000000 0x4e 0x20000000 0x00 0x00080000>, /* GPU */
+ <0x00 0x70000000 0x00 0x70000000 0x00 0x00800000>, /* MSMC RAM */
+
+ /* MCUSS_WKUP Range */
+ <0x00 0x28380000 0x00 0x28380000 0x00 0x03880000>,
+ <0x00 0x40200000 0x00 0x40200000 0x00 0x00998400>,
+ <0x00 0x40f00000 0x00 0x40f00000 0x00 0x00020000>,
+ <0x00 0x41000000 0x00 0x41000000 0x00 0x00020000>,
+ <0x00 0x41400000 0x00 0x41400000 0x00 0x00020000>,
+ <0x00 0x41c00000 0x00 0x41c00000 0x00 0x00100000>,
+ <0x00 0x42040000 0x00 0x42040000 0x00 0x03ac2400>,
+ <0x00 0x45100000 0x00 0x45100000 0x00 0x00c24000>,
+ <0x00 0x46000000 0x00 0x46000000 0x00 0x00200000>,
+ <0x00 0x47000000 0x00 0x47000000 0x00 0x00068400>,
+ <0x00 0x50000000 0x00 0x50000000 0x00 0x10000000>,
+ <0x05 0x00000000 0x05 0x00000000 0x01 0x00000000>,
+ <0x07 0x00000000 0x07 0x00000000 0x01 0x00000000>;
+
+ cbass_mcu_wakeup: interconnect@28380000 {
+ compatible = "simple-bus";
+ #address-cells = <2>;
+ #size-cells = <2>;
+ ranges = <0x00 0x28380000 0x00 0x28380000 0x00 0x03880000>, /* MCU NAVSS*/
+ <0x00 0x40200000 0x00 0x40200000 0x00 0x00998400>, /* First peripheral window */
+ <0x00 0x40f00000 0x00 0x40f00000 0x00 0x00020000>, /* CTRL_MMR0 */
+ <0x00 0x41000000 0x00 0x41000000 0x00 0x00020000>, /* MCU R5F Core0 */
+ <0x00 0x41400000 0x00 0x41400000 0x00 0x00020000>, /* MCU R5F Core1 */
+ <0x00 0x41c00000 0x00 0x41c00000 0x00 0x00100000>, /* MCU SRAM */
+ <0x00 0x42040000 0x00 0x42040000 0x00 0x03ac2400>, /* WKUP peripheral window */
+ <0x00 0x45100000 0x00 0x45100000 0x00 0x00c24000>, /* MMRs, remaining NAVSS */
+ <0x00 0x46000000 0x00 0x46000000 0x00 0x00200000>, /* CPSW */
+ <0x00 0x47000000 0x00 0x47000000 0x00 0x00068400>, /* OSPI register space */
+ <0x00 0x50000000 0x00 0x50000000 0x00 0x10000000>, /* FSS OSPI0/1 data region 0 */
+ <0x05 0x00000000 0x05 0x00000000 0x01 0x00000000>, /* FSS OSPI0 data region 3 */
+ <0x07 0x00000000 0x07 0x00000000 0x01 0x00000000>; /* FSS OSPI1 data region 3*/
+ };
+ };
+};
+
+/* Now include the peripherals for each bus segments */
+#include "k3-j721e-main.dtsi"
+#include "k3-j721e-mcu-wakeup.dtsi"