1 // SPDX-License-Identifier: (GPL-2.0-or-later OR BSD-2-Clause) 2 /* 3 * Copyright (c) 2017-2019 Andreas Färber 4 */ 5 6 /memreserve/ 0x00000000 0x0000a800; /* boot code */ 7 /memreserve/ 0x0000a800 0x000f5800; 8 /memreserve/ 0x17fff000 0x00001000; 9 10 #include <dt-bindings/interrupt-controller/arm-gic.h> 11 #include <dt-bindings/reset/realtek,rtd1195.h> 12 13 / { 14 compatible = "realtek,rtd1195"; 15 interrupt-parent = <&gic>; 16 #address-cells = <1>; 17 #size-cells = <1>; 18 19 cpus { 20 #address-cells = <1>; 21 #size-cells = <0>; 22 23 cpu0: cpu@0 { 24 device_type = "cpu"; 25 compatible = "arm,cortex-a7"; 26 reg = <0x0>; 27 clock-frequency = <1000000000>; 28 }; 29 30 cpu1: cpu@1 { 31 device_type = "cpu"; 32 compatible = "arm,cortex-a7"; 33 reg = <0x1>; 34 clock-frequency = <1000000000>; 35 }; 36 }; 37 38 reserved-memory { 39 #address-cells = <1>; 40 #size-cells = <1>; 41 ranges; 42 43 rpc_comm: rpc@b000 { 44 reg = <0x0000b000 0x1000>; 45 }; 46 47 audio@1b00000 { 48 reg = <0x01b00000 0x400000>; 49 }; 50 51 rpc_ringbuf: rpc@1ffe000 { 52 reg = <0x01ffe000 0x4000>; 53 }; 54 55 secure@10000000 { 56 reg = <0x10000000 0x100000>; 57 no-map; 58 }; 59 }; 60 61 arm-pmu { 62 compatible = "arm,cortex-a7-pmu"; 63 interrupts = <GIC_SPI 48 IRQ_TYPE_LEVEL_HIGH>, 64 <GIC_SPI 49 IRQ_TYPE_LEVEL_HIGH>; 65 interrupt-affinity = <&cpu0>, <&cpu1>; 66 }; 67 68 timer { 69 compatible = "arm,armv7-timer"; 70 interrupts = <GIC_PPI 13 71 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>, 72 <GIC_PPI 14 73 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>, 74 <GIC_PPI 11 75 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>, 76 <GIC_PPI 10 77 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>; 78 clock-frequency = <27000000>; 79 }; 80 81 osc27M: osc { 82 compatible = "fixed-clock"; 83 clock-frequency = <27000000>; 84 #clock-cells = <0>; 85 clock-output-names = "osc27M"; 86 }; 87 88 soc { 89 compatible = "simple-bus"; 90 #address-cells = <1>; 91 #size-cells = <1>; 92 ranges = <0x00000000 0x00000000 0x0000a800>, 93 <0x18000000 0x18000000 0x00070000>, 94 <0x18100000 0x18100000 0x01000000>, 95 <0x80000000 0x80000000 0x80000000>; 96 97 rbus: bus@18000000 { 98 compatible = "simple-bus"; 99 reg = <0x18000000 0x70000>; 100 #address-cells = <1>; 101 #size-cells = <1>; 102 ranges = <0x0 0x18000000 0x70000>; 103 104 crt: syscon@0 { 105 compatible = "syscon", "simple-mfd"; 106 reg = <0x0 0x1000>; 107 reg-io-width = <4>; 108 #address-cells = <1>; 109 #size-cells = <1>; 110 ranges = <0x0 0x0 0x1000>; 111 }; 112 113 iso: syscon@7000 { 114 compatible = "syscon", "simple-mfd"; 115 reg = <0x7000 0x1000>; 116 reg-io-width = <4>; 117 #address-cells = <1>; 118 #size-cells = <1>; 119 ranges = <0x0 0x7000 0x1000>; 120 }; 121 122 sb2: syscon@1a000 { 123 compatible = "syscon", "simple-mfd"; 124 reg = <0x1a000 0x1000>; 125 reg-io-width = <4>; 126 #address-cells = <1>; 127 #size-cells = <1>; 128 ranges = <0x0 0x1a000 0x1000>; 129 }; 130 131 misc: syscon@1b000 { 132 compatible = "syscon", "simple-mfd"; 133 reg = <0x1b000 0x1000>; 134 reg-io-width = <4>; 135 #address-cells = <1>; 136 #size-cells = <1>; 137 ranges = <0x0 0x1b000 0x1000>; 138 }; 139 140 scpu_wrapper: syscon@1d000 { 141 compatible = "syscon", "simple-mfd"; 142 reg = <0x1d000 0x1000>; 143 reg-io-width = <4>; 144 #address-cells = <1>; 145 #size-cells = <1>; 146 ranges = <0x0 0x1d000 0x1000>; 147 }; 148 }; 149 150 gic: interrupt-controller@ff011000 { 151 compatible = "arm,cortex-a7-gic"; 152 reg = <0xff011000 0x1000>, 153 <0xff012000 0x2000>, 154 <0xff014000 0x2000>, 155 <0xff016000 0x2000>; 156 interrupts = <GIC_PPI 9 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>; 157 interrupt-controller; 158 #interrupt-cells = <3>; 159 }; 160 }; 161 }; 162 163 &crt { 164 reset1: reset-controller@0 { 165 compatible = "snps,dw-low-reset"; 166 reg = <0x0 0x4>; 167 #reset-cells = <1>; 168 }; 169 170 reset2: reset-controller@4 { 171 compatible = "snps,dw-low-reset"; 172 reg = <0x4 0x4>; 173 #reset-cells = <1>; 174 }; 175 176 reset3: reset-controller@8 { 177 compatible = "snps,dw-low-reset"; 178 reg = <0x8 0x4>; 179 #reset-cells = <1>; 180 }; 181 }; 182 183 &iso { 184 iso_reset: reset-controller@88 { 185 compatible = "snps,dw-low-reset"; 186 reg = <0x88 0x4>; 187 #reset-cells = <1>; 188 }; 189 190 wdt: watchdog@680 { 191 compatible = "realtek,rtd1295-watchdog"; 192 reg = <0x680 0x100>; 193 clocks = <&osc27M>; 194 }; 195 196 uart0: serial@800 { 197 compatible = "snps,dw-apb-uart"; 198 reg = <0x800 0x400>; 199 reg-shift = <2>; 200 reg-io-width = <4>; 201 resets = <&iso_reset RTD1195_ISO_RSTN_UR0>; 202 clock-frequency = <27000000>; 203 status = "disabled"; 204 }; 205 }; 206 207 &misc { 208 uart1: serial@200 { 209 compatible = "snps,dw-apb-uart"; 210 reg = <0x200 0x100>; 211 reg-shift = <2>; 212 reg-io-width = <4>; 213 resets = <&reset2 RTD1195_RSTN_UR1>; 214 clock-frequency = <27000000>; 215 status = "disabled"; 216 }; 217 };
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