imx: imx8mq: add dtsi file
Add dtsi file for i.MX8MQ.
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Cc: Stefano Babic <sbabic@denx.de>
diff --git a/arch/arm/dts/fsl-imx8-ca53.dtsi b/arch/arm/dts/fsl-imx8-ca53.dtsi
new file mode 100644
index 0000000..6a2292a
--- /dev/null
+++ b/arch/arm/dts/fsl-imx8-ca53.dtsi
@@ -0,0 +1,92 @@
+/*
+ * 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>;
+ };
+};