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 cpu0: cpu@0 { 26 device_type = "cpu"; 27 compatible = "arm,cortex-a15"; 28 reg = <0x0>; 29 clocks = <&clock CLK_ARM_CLK>; 30 clock-frequency = <1800000000>; 31 cci-control-port = <&cci_control1>; 32 operating-points-v2 = <&cluster_a15_opp_table>; 33 #cooling-cells = <2>; /* min followed by max */ 34 capacity-dmips-mhz = <1024>; 35 }; 36 37 cpu1: cpu@1 { 38 device_type = "cpu"; 39 compatible = "arm,cortex-a15"; 40 reg = <0x1>; 41 clocks = <&clock CLK_ARM_CLK>; 42 clock-frequency = <1800000000>; 43 cci-control-port = <&cci_control1>; 44 operating-points-v2 = <&cluster_a15_opp_table>; 45 #cooling-cells = <2>; /* min followed by max */ 46 capacity-dmips-mhz = <1024>; 47 }; 48 49 cpu2: cpu@2 { 50 device_type = "cpu"; 51 compatible = "arm,cortex-a15"; 52 reg = <0x2>; 53 clocks = <&clock CLK_ARM_CLK>; 54 clock-frequency = <1800000000>; 55 cci-control-port = <&cci_control1>; 56 operating-points-v2 = <&cluster_a15_opp_table>; 57 #cooling-cells = <2>; /* min followed by max */ 58 capacity-dmips-mhz = <1024>; 59 }; 60 61 cpu3: cpu@3 { 62 device_type = "cpu"; 63 compatible = "arm,cortex-a15"; 64 reg = <0x3>; 65 clocks = <&clock CLK_ARM_CLK>; 66 clock-frequency = <1800000000>; 67 cci-control-port = <&cci_control1>; 68 operating-points-v2 = <&cluster_a15_opp_table>; 69 #cooling-cells = <2>; /* min followed by max */ 70 capacity-dmips-mhz = <1024>; 71 }; 72 73 cpu4: cpu@100 { 74 device_type = "cpu"; 75 compatible = "arm,cortex-a7"; 76 reg = <0x100>; 77 clocks = <&clock CLK_KFC_CLK>; 78 clock-frequency = <1000000000>; 79 cci-control-port = <&cci_control0>; 80 operating-points-v2 = <&cluster_a7_opp_table>; 81 #cooling-cells = <2>; /* min followed by max */ 82 capacity-dmips-mhz = <539>; 83 }; 84 85 cpu5: cpu@101 { 86 device_type = "cpu"; 87 compatible = "arm,cortex-a7"; 88 reg = <0x101>; 89 clocks = <&clock CLK_KFC_CLK>; 90 clock-frequency = <1000000000>; 91 cci-control-port = <&cci_control0>; 92 operating-points-v2 = <&cluster_a7_opp_table>; 93 #cooling-cells = <2>; /* min followed by max */ 94 capacity-dmips-mhz = <539>; 95 }; 96 97 cpu6: cpu@102 { 98 device_type = "cpu"; 99 compatible = "arm,cortex-a7"; 100 reg = <0x102>; 101 clocks = <&clock CLK_KFC_CLK>; 102 clock-frequency = <1000000000>; 103 cci-control-port = <&cci_control0>; 104 operating-points-v2 = <&cluster_a7_opp_table>; 105 #cooling-cells = <2>; /* min followed by max */ 106 capacity-dmips-mhz = <539>; 107 }; 108 109 cpu7: cpu@103 { 110 device_type = "cpu"; 111 compatible = "arm,cortex-a7"; 112 reg = <0x103>; 113 clocks = <&clock CLK_KFC_CLK>; 114 clock-frequency = <1000000000>; 115 cci-control-port = <&cci_control0>; 116 operating-points-v2 = <&cluster_a7_opp_table>; 117 #cooling-cells = <2>; /* min followed by max */ 118 capacity-dmips-mhz = <539>; 119 }; 120 }; 121}; 122 123&arm_a7_pmu { 124 interrupt-affinity = <&cpu4>, <&cpu5>, <&cpu6>, <&cpu7>; 125 status = "okay"; 126}; 127 128&arm_a15_pmu { 129 interrupt-affinity = <&cpu0>, <&cpu1>, <&cpu2>, <&cpu3>; 130 status = "okay"; 131}; 132