Blame view

arch/arm64/boot/dts/freescale/fsl-imx8-ca72.dtsi 2 KB
81f7e3824   Eric Lee   Initial Release, ...
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
  /*
   * 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.
   */
  
  #include <dt-bindings/interrupt-controller/arm-gic.h>
  / {
  	cpus {
  		#address-cells = <2>;
  		#size-cells = <0>;
  
  		idle-states {
  			entry-method = "psci";
  
  			CPU_SLEEP: cpu-sleep {
  				compatible = "arm,idle-state";
  				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";
  				arm,psci-suspend-param = <0x1000000>;
  				entry-latency-us = <1000>;
  				exit-latency-us = <700>;
  				min-residency-us = <2700>;
  				wakeup-latency-us = <1500>;
  			};
  		};
  
  		/* We have 2nd clusters having 2 Cortex-A72 cores */
  		A72_0: cpu@100 {
  			device_type = "cpu";
  			compatible = "arm,cortex-a72","arm,armv8";
  			reg = <0x0 0x100>;
  			enable-method = "psci";
  			next-level-cache = <&A72_L2>;
  			cpu-idle-states = <&CPU_SLEEP>;
  		};
  
  		A72_1: cpu@101 {
  			device_type = "cpu";
  			compatible = "arm,cortex-a72","arm,armv8";
  			reg = <0x0 0x101>;
  			enable-method = "psci";
  			next-level-cache = <&A72_L2>;
  			cpu-idle-states = <&CPU_SLEEP>;
  		};
  
  		A72_L2: l2-cache1 {
  			compatible = "cache";
  		};
  	};
  
  	pmu {
  		compatible = "arm,armv8-pmuv3";
  		interrupts = <GIC_PPI 7
  			(GIC_CPU_MASK_SIMPLE(6) | IRQ_TYPE_LEVEL_HIGH)>;
  		interrupt-affinity = <&A72_0>, <&A72_1>;
  	};
  
  	psci {
  		compatible = "arm,psci-1.0";
  		method = "smc";
  		cpu_suspend   = <0xc4000001>;
  		cpu_off       = <0xc4000002>;
  		cpu_on        = <0xc4000003>;
  	};
  };