1// SPDX-License-Identifier: GPL-2.0 2/* 3 * Samsung Exynos5422 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 Exynos5422: CPU[0123] being the A7. 9 * 10 * The Exynos5420, 5422 and 5800 actually share the same CPU configuration 11 * but particular boards choose different booting order. 12 * 13 * Exynos5420 and Exynos5800 always boot from Cortex-A15. On Exynos5422 14 * booting cluster (big or LITTLE) is chosen by IROM code by reading 15 * the gpg2-1 GPIO. By default all Exynos5422 based boards choose booting 16 * from the LITTLE: Cortex-A7. 17 */ 18 19/ { 20 cpus { 21 #address-cells = <1>; 22 #size-cells = <0>; 23 24 cpu0: cpu@100 { 25 device_type = "cpu"; 26 compatible = "arm,cortex-a7"; 27 reg = <0x100>; 28 clocks = <&clock CLK_KFC_CLK>; 29 clock-frequency = <1000000000>; 30 cci-control-port = <&cci_control0>; 31 operating-points-v2 = <&cluster_a7_opp_table>; 32 #cooling-cells = <2>; /* min followed by max */ 33 capacity-dmips-mhz = <539>; 34 dynamic-power-coefficient = <90>; 35 }; 36 37 cpu1: cpu@101 { 38 device_type = "cpu"; 39 compatible = "arm,cortex-a7"; 40 reg = <0x101>; 41 clocks = <&clock CLK_KFC_CLK>; 42 clock-frequency = <1000000000>; 43 cci-control-port = <&cci_control0>; 44 operating-points-v2 = <&cluster_a7_opp_table>; 45 #cooling-cells = <2>; /* min followed by max */ 46 capacity-dmips-mhz = <539>; 47 dynamic-power-coefficient = <90>; 48 }; 49 50 cpu2: cpu@102 { 51 device_type = "cpu"; 52 compatible = "arm,cortex-a7"; 53 reg = <0x102>; 54 clocks = <&clock CLK_KFC_CLK>; 55 clock-frequency = <1000000000>; 56 cci-control-port = <&cci_control0>; 57 operating-points-v2 = <&cluster_a7_opp_table>; 58 #cooling-cells = <2>; /* min followed by max */ 59 capacity-dmips-mhz = <539>; 60 dynamic-power-coefficient = <90>; 61 }; 62 63 cpu3: cpu@103 { 64 device_type = "cpu"; 65 compatible = "arm,cortex-a7"; 66 reg = <0x103>; 67 clocks = <&clock CLK_KFC_CLK>; 68 clock-frequency = <1000000000>; 69 cci-control-port = <&cci_control0>; 70 operating-points-v2 = <&cluster_a7_opp_table>; 71 #cooling-cells = <2>; /* min followed by max */ 72 capacity-dmips-mhz = <539>; 73 dynamic-power-coefficient = <90>; 74 }; 75 76 cpu4: cpu@0 { 77 device_type = "cpu"; 78 compatible = "arm,cortex-a15"; 79 reg = <0x0>; 80 clocks = <&clock CLK_ARM_CLK>; 81 clock-frequency = <1800000000>; 82 cci-control-port = <&cci_control1>; 83 operating-points-v2 = <&cluster_a15_opp_table>; 84 #cooling-cells = <2>; /* min followed by max */ 85 capacity-dmips-mhz = <1024>; 86 dynamic-power-coefficient = <310>; 87 }; 88 89 cpu5: cpu@1 { 90 device_type = "cpu"; 91 compatible = "arm,cortex-a15"; 92 reg = <0x1>; 93 clocks = <&clock CLK_ARM_CLK>; 94 clock-frequency = <1800000000>; 95 cci-control-port = <&cci_control1>; 96 operating-points-v2 = <&cluster_a15_opp_table>; 97 #cooling-cells = <2>; /* min followed by max */ 98 capacity-dmips-mhz = <1024>; 99 dynamic-power-coefficient = <310>; 100 }; 101 102 cpu6: cpu@2 { 103 device_type = "cpu"; 104 compatible = "arm,cortex-a15"; 105 reg = <0x2>; 106 clocks = <&clock CLK_ARM_CLK>; 107 clock-frequency = <1800000000>; 108 cci-control-port = <&cci_control1>; 109 operating-points-v2 = <&cluster_a15_opp_table>; 110 #cooling-cells = <2>; /* min followed by max */ 111 capacity-dmips-mhz = <1024>; 112 dynamic-power-coefficient = <310>; 113 }; 114 115 cpu7: cpu@3 { 116 device_type = "cpu"; 117 compatible = "arm,cortex-a15"; 118 reg = <0x3>; 119 clocks = <&clock CLK_ARM_CLK>; 120 clock-frequency = <1800000000>; 121 cci-control-port = <&cci_control1>; 122 operating-points-v2 = <&cluster_a15_opp_table>; 123 #cooling-cells = <2>; /* min followed by max */ 124 capacity-dmips-mhz = <1024>; 125 dynamic-power-coefficient = <310>; 126 }; 127 }; 128}; 129 130&arm_a7_pmu { 131 interrupt-affinity = <&cpu0>, <&cpu1>, <&cpu2>, <&cpu3>; 132 status = "okay"; 133}; 134 135&arm_a15_pmu { 136 interrupt-affinity = <&cpu4>, <&cpu5>, <&cpu6>, <&cpu7>; 137 status = "okay"; 138}; 139