MLK-13911-2 ARM64: dts: imx8: add arm core common dtsi

Add i.MX8 arm core common dtsi.

Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Signed-off-by: Nitin Garg <nitin.garg@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Adrian Alonso <adrian.alonso@nxp.com>
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Xianzhong <xianzhong.li@nxp.com>

1 files changed, 93 insertions, 0 deletions

diff --git a/arch/arm64/boot/dts/freescale/fsl-imx8-ca53.dtsi b/arch/arm64/boot/dts/freescale/fsl-imx8-ca53.dtsi
new file mode 100644
index 000000000000..322c7f5ecf11
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/fsl-imx8-ca53.dtsi
@@ -0,0 +1,93 @@
+/*
+ * Copyright (C) 2016 Freescale Semiconductor, Inc.
+ * Copyright 2017 NXP
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+/{
+	cpus {
+		#address-cells = <2>;
+		#size-cells = <0>;
+
+		idle-states {
+			entry-method = "psci";
+
+			CPU_SLEEP: cpu-sleep {
+				compatible = "arm,idle-state";
+				local-timer-stop;
+				arm,psci-suspend-param = <0x0000000>;
+				entry-latency-us = <700>;
+				exit-latency-us = <250>;
+				min-residency-us = <1000>;
+			};
+
+			CLUSTER_SLEEP: cluster-sleep {
+				compatible = "arm,idle-state";
+				local-timer-stop;
+				arm,psci-suspend-param = <0x1000000>;
+				entry-latency-us = <1000>;
+				exit-latency-us = <700>;
+				min-residency-us = <2700>;
+				wakeup-latency-us = <1500>;
+			};
+		};
+
+		/* We have 1 clusters having 4 Cortex-A53 cores */
+		A53_0: cpu@0 {
+			device_type = "cpu";
+			compatible = "arm,cortex-a53";
+			reg = <0x0 0x0>;
+			enable-method = "psci";
+			next-level-cache = <&A53_L2>;
+			cpu-idle-states = <&CPU_SLEEP>;
+		};
+
+		A53_1: cpu@1 {
+			device_type = "cpu";
+			compatible = "arm,cortex-a53";
+			reg = <0x0 0x1>;
+			enable-method = "psci";
+			next-level-cache = <&A53_L2>;
+			cpu-idle-states = <&CPU_SLEEP>;
+		};
+
+		A53_2: cpu@2 {
+			device_type = "cpu";
+			compatible = "arm,cortex-a53";
+			reg = <0x0 0x2>;
+			enable-method = "psci";
+			next-level-cache = <&A53_L2>;
+			cpu-idle-states = <&CPU_SLEEP>;
+		};
+
+		A53_3: cpu@3 {
+			device_type = "cpu";
+			compatible = "arm,cortex-a53";
+			reg = <0x0 0x3>;
+			enable-method = "psci";
+			next-level-cache = <&A53_L2>;
+			cpu-idle-states = <&CPU_SLEEP>;
+		};
+
+		A53_L2: l2-cache0 {
+			compatible = "cache";
+		};
+	};
+
+	psci {
+		compatible = "arm,psci-1.0";
+		method = "smc";
+		cpu_suspend   = <0xc4000001>;
+		cpu_off	      = <0xc4000002>;
+		cpu_on	      = <0xc4000003>;
+	};
+};