1// SPDX-License-Identifier: GPL-2.0 2/* 3 * Samsung Exynos5420 SoC cpu device tree source 4 * 5 * Copyright (c) 2015 Samsung Electronics Co., Ltd. 6 * http://www.samsung.com 7 * 8 * This file provides desired ordering for Exynos5420 and Exynos5800 9 * boards: CPU[0123] being the A15. 10 * 11 * The Exynos5420, 5422 and 5800 actually share the same CPU configuration 12 * but particular boards choose different booting order. 13 * 14 * Exynos5420 and Exynos5800 always boot from Cortex-A15. On Exynos5422 15 * booting cluster (big or LITTLE) is chosen by IROM code by reading 16 * the gpg2-1 GPIO. By default all Exynos5422 based boards choose booting 17 * from the LITTLE: Cortex-A7. 18 */ 19 20/ { 21 cpus { 22 #address-cells = <1>; 23 #size-cells = <0>; 24 25 cpu-map { 26 cluster0 { 27 core0 { 28 cpu = <&cpu0>; 29 }; 30 core1 { 31 cpu = <&cpu1>; 32 }; 33 core2 { 34 cpu = <&cpu2>; 35 }; 36 core3 { 37 cpu = <&cpu3>; 38 }; 39 }; 40 41 cluster1 { 42 core0 { 43 cpu = <&cpu4>; 44 }; 45 core1 { 46 cpu = <&cpu5>; 47 }; 48 core2 { 49 cpu = <&cpu6>; 50 }; 51 core3 { 52 cpu = <&cpu7>; 53 }; 54 }; 55 }; 56 57 cpu0: cpu@0 { 58 device_type = "cpu"; 59 compatible = "arm,cortex-a15"; 60 reg = <0x0>; 61 clocks = <&clock CLK_ARM_CLK>; 62 clock-frequency = <1800000000>; 63 cci-control-port = <&cci_control1>; 64 operating-points-v2 = <&cluster_a15_opp_table>; 65 #cooling-cells = <2>; /* min followed by max */ 66 capacity-dmips-mhz = <1024>; 67 }; 68 69 cpu1: cpu@1 { 70 device_type = "cpu"; 71 compatible = "arm,cortex-a15"; 72 reg = <0x1>; 73 clocks = <&clock CLK_ARM_CLK>; 74 clock-frequency = <1800000000>; 75 cci-control-port = <&cci_control1>; 76 operating-points-v2 = <&cluster_a15_opp_table>; 77 #cooling-cells = <2>; /* min followed by max */ 78 capacity-dmips-mhz = <1024>; 79 }; 80 81 cpu2: cpu@2 { 82 device_type = "cpu"; 83 compatible = "arm,cortex-a15"; 84 reg = <0x2>; 85 clocks = <&clock CLK_ARM_CLK>; 86 clock-frequency = <1800000000>; 87 cci-control-port = <&cci_control1>; 88 operating-points-v2 = <&cluster_a15_opp_table>; 89 #cooling-cells = <2>; /* min followed by max */ 90 capacity-dmips-mhz = <1024>; 91 }; 92 93 cpu3: cpu@3 { 94 device_type = "cpu"; 95 compatible = "arm,cortex-a15"; 96 reg = <0x3>; 97 clocks = <&clock CLK_ARM_CLK>; 98 clock-frequency = <1800000000>; 99 cci-control-port = <&cci_control1>; 100 operating-points-v2 = <&cluster_a15_opp_table>; 101 #cooling-cells = <2>; /* min followed by max */ 102 capacity-dmips-mhz = <1024>; 103 }; 104 105 cpu4: cpu@100 { 106 device_type = "cpu"; 107 compatible = "arm,cortex-a7"; 108 reg = <0x100>; 109 clocks = <&clock CLK_KFC_CLK>; 110 clock-frequency = <1000000000>; 111 cci-control-port = <&cci_control0>; 112 operating-points-v2 = <&cluster_a7_opp_table>; 113 #cooling-cells = <2>; /* min followed by max */ 114 capacity-dmips-mhz = <539>; 115 }; 116 117 cpu5: cpu@101 { 118 device_type = "cpu"; 119 compatible = "arm,cortex-a7"; 120 reg = <0x101>; 121 clocks = <&clock CLK_KFC_CLK>; 122 clock-frequency = <1000000000>; 123 cci-control-port = <&cci_control0>; 124 operating-points-v2 = <&cluster_a7_opp_table>; 125 #cooling-cells = <2>; /* min followed by max */ 126 capacity-dmips-mhz = <539>; 127 }; 128 129 cpu6: cpu@102 { 130 device_type = "cpu"; 131 compatible = "arm,cortex-a7"; 132 reg = <0x102>; 133 clocks = <&clock CLK_KFC_CLK>; 134 clock-frequency = <1000000000>; 135 cci-control-port = <&cci_control0>; 136 operating-points-v2 = <&cluster_a7_opp_table>; 137 #cooling-cells = <2>; /* min followed by max */ 138 capacity-dmips-mhz = <539>; 139 }; 140 141 cpu7: cpu@103 { 142 device_type = "cpu"; 143 compatible = "arm,cortex-a7"; 144 reg = <0x103>; 145 clocks = <&clock CLK_KFC_CLK>; 146 clock-frequency = <1000000000>; 147 cci-control-port = <&cci_control0>; 148 operating-points-v2 = <&cluster_a7_opp_table>; 149 #cooling-cells = <2>; /* min followed by max */ 150 capacity-dmips-mhz = <539>; 151 }; 152 }; 153}; 154 155&arm_a7_pmu { 156 interrupt-affinity = <&cpu4>, <&cpu5>, <&cpu6>, <&cpu7>; 157 status = "okay"; 158}; 159 160&arm_a15_pmu { 161 interrupt-affinity = <&cpu0>, <&cpu1>, <&cpu2>, <&cpu3>; 162 status = "okay"; 163}; 164