| Peng Fan | 52df705 | 2018-01-10 13:20:45 +0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2017 NXP |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or |
| 5 | * modify it under the terms of the GNU General Public License |
| 6 | * as published by the Free Software Foundation; either version 2 |
| 7 | * of the License, or (at your option) any later version. |
| 8 | * |
| 9 | * This program is distributed in the hope that it will be useful, |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | * GNU General Public License for more details. |
| 13 | */ |
| 14 | |
| 15 | /{ |
| 16 | cpus { |
| 17 | #address-cells = <2>; |
| 18 | #size-cells = <0>; |
| 19 | |
| 20 | idle-states { |
| 21 | entry-method = "psci"; |
| 22 | |
| 23 | CPU_SLEEP: cpu-sleep { |
| 24 | compatible = "arm,idle-state"; |
| 25 | local-timer-stop; |
| 26 | arm,psci-suspend-param = <0x0000000>; |
| 27 | entry-latency-us = <700>; |
| 28 | exit-latency-us = <250>; |
| 29 | min-residency-us = <1000>; |
| 30 | }; |
| 31 | |
| 32 | CLUSTER_SLEEP: cluster-sleep { |
| 33 | compatible = "arm,idle-state"; |
| 34 | local-timer-stop; |
| 35 | arm,psci-suspend-param = <0x1000000>; |
| 36 | entry-latency-us = <1000>; |
| 37 | exit-latency-us = <700>; |
| 38 | min-residency-us = <2700>; |
| 39 | wakeup-latency-us = <1500>; |
| 40 | }; |
| 41 | }; |
| 42 | |
| 43 | /* We have 1 clusters having 4 Cortex-A53 cores */ |
| 44 | A53_0: cpu@0 { |
| 45 | device_type = "cpu"; |
| 46 | compatible = "arm,cortex-a53"; |
| 47 | reg = <0x0 0x0>; |
| 48 | enable-method = "psci"; |
| 49 | next-level-cache = <&A53_L2>; |
| 50 | cpu-idle-states = <&CPU_SLEEP>; |
| 51 | }; |
| 52 | |
| 53 | A53_1: cpu@1 { |
| 54 | device_type = "cpu"; |
| 55 | compatible = "arm,cortex-a53"; |
| 56 | reg = <0x0 0x1>; |
| 57 | enable-method = "psci"; |
| 58 | next-level-cache = <&A53_L2>; |
| 59 | cpu-idle-states = <&CPU_SLEEP>; |
| 60 | }; |
| 61 | |
| 62 | A53_2: cpu@2 { |
| 63 | device_type = "cpu"; |
| 64 | compatible = "arm,cortex-a53"; |
| 65 | reg = <0x0 0x2>; |
| 66 | enable-method = "psci"; |
| 67 | next-level-cache = <&A53_L2>; |
| 68 | cpu-idle-states = <&CPU_SLEEP>; |
| 69 | }; |
| 70 | |
| 71 | A53_3: cpu@3 { |
| 72 | device_type = "cpu"; |
| 73 | compatible = "arm,cortex-a53"; |
| 74 | reg = <0x0 0x3>; |
| 75 | enable-method = "psci"; |
| 76 | next-level-cache = <&A53_L2>; |
| 77 | cpu-idle-states = <&CPU_SLEEP>; |
| 78 | }; |
| 79 | |
| 80 | A53_L2: l2-cache0 { |
| 81 | compatible = "cache"; |
| 82 | }; |
| 83 | }; |
| 84 | |
| 85 | psci { |
| 86 | compatible = "arm,psci-1.0"; |
| 87 | method = "smc"; |
| 88 | cpu_suspend = <0xc4000001>; |
| 89 | cpu_off = <0xc4000002>; |
| 90 | cpu_on = <0xc4000003>; |
| 91 | }; |
| 92 | }; |