arm: dts: ti: Add Support for J721E SoC

Add initial SoC definition for J721E SoC.
Kernel dts posted here:
https://lore.kernel.org/lkml/20190522161921.20750-1-nm@ti.com/

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
diff --git a/arch/arm/dts/k3-j721e.dtsi b/arch/arm/dts/k3-j721e.dtsi
new file mode 100644
index 0000000..aea17e2
--- /dev/null
+++ b/arch/arm/dts/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>
+#include <dt-bindings/soc/ti,sci_pm_domain.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 */
+			 /* 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>,
+			 <0x00 0x70000000 0x00 0x70000000 0x00 0x00800000>,
+			 <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"