arch/arm/boot/dts/mt8127.dtsi

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Copyright (c) 2014 MediaTek Inc.
   4  * Author: Joe.C <yingjoe.chen@mediatek.com>
   5  *
   6  */
   7
   8 #include <dt-bindings/interrupt-controller/irq.h>
   9 #include <dt-bindings/interrupt-controller/arm-gic.h>
  10 #include "skeleton64.dtsi"
  11
  12 / {
  13         compatible = "mediatek,mt8127";
  14         interrupt-parent = <&sysirq>;
  15
  16         cpus {
  17                 #address-cells = <1>;
  18                 #size-cells = <0>;
  19                 enable-method = "mediatek,mt81xx-tz-smp";
  20
  21                 cpu@0 {
  22                         device_type = "cpu";
  23                         compatible = "arm,cortex-a7";
  24                         reg = <0x0>;
  25                 };
  26                 cpu@1 {
  27                         device_type = "cpu";
  28                         compatible = "arm,cortex-a7";
  29                         reg = <0x1>;
  30                 };
  31                 cpu@2 {
  32                         device_type = "cpu";
  33                         compatible = "arm,cortex-a7";
  34                         reg = <0x2>;
  35                 };
  36                 cpu@3 {
  37                         device_type = "cpu";
  38                         compatible = "arm,cortex-a7";
  39                         reg = <0x3>;
  40                 };
  41
  42         };
  43
  44         reserved-memory {
  45                 #address-cells = <2>;
  46                 #size-cells = <2>;
  47                 ranges;
  48
  49                 trustzone-bootinfo@80002000 {
  50                         compatible = "mediatek,trustzone-bootinfo";
  51                         reg = <0 0x80002000 0 0x1000>;
  52                 };
  53         };
  54
  55         clocks {
  56                 #address-cells = <2>;
  57                 #size-cells = <2>;
  58                 compatible = "simple-bus";
  59                 ranges;
  60
  61                 system_clk: dummy13m {
  62                         compatible = "fixed-clock";
  63                         clock-frequency = <13000000>;
  64                         #clock-cells = <0>;
  65                 };
  66
  67                 rtc_clk: dummy32k {
  68                         compatible = "fixed-clock";
  69                         clock-frequency = <32000>;
  70                         #clock-cells = <0>;
  71                 };
  72
  73                 uart_clk: dummy26m {
  74                         compatible = "fixed-clock";
  75                         clock-frequency = <26000000>;
  76                         #clock-cells = <0>;
  77                 };
  78         };
  79
  80         timer {
  81                 compatible = "arm,armv7-timer";
  82                 interrupt-parent = <&gic>;
  83                 interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(4) |
  84                                           IRQ_TYPE_LEVEL_LOW)>,
  85                              <GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(4) |
  86                                           IRQ_TYPE_LEVEL_LOW)>,
  87                              <GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(4) |
  88                                           IRQ_TYPE_LEVEL_LOW)>,
  89                              <GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(4) |
  90                                           IRQ_TYPE_LEVEL_LOW)>;
  91                 clock-frequency = <13000000>;
  92                 arm,cpu-registers-not-fw-configured;
  93         };
  94
  95         soc {
  96                 #address-cells = <2>;
  97                 #size-cells = <2>;
  98                 compatible = "simple-bus";
  99                 ranges;
 100
 101                 timer: timer@10008000 {
 102                         compatible = "mediatek,mt8127-timer",
 103                                         "mediatek,mt6577-timer";
 104                         reg = <0 0x10008000 0 0x80>;
 105                         interrupts = <GIC_SPI 112 IRQ_TYPE_LEVEL_LOW>;
 106                         clocks = <&system_clk>, <&rtc_clk>;
 107                         clock-names = "system-clk", "rtc-clk";
 108                 };
 109
 110                 sysirq: interrupt-controller@10200100 {
 111                         compatible = "mediatek,mt8127-sysirq",
 112                                      "mediatek,mt6577-sysirq";
 113                         interrupt-controller;
 114                         #interrupt-cells = <3>;
 115                         interrupt-parent = <&gic>;
 116                         reg = <0 0x10200100 0 0x1c>;
 117                 };
 118
 119                 gic: interrupt-controller@10211000 {
 120                         compatible = "arm,cortex-a7-gic";
 121                         interrupt-controller;
 122                         #interrupt-cells = <3>;
 123                         interrupt-parent = <&gic>;
 124                         reg = <0 0x10211000 0 0x1000>,
 125                               <0 0x10212000 0 0x2000>,
 126                               <0 0x10214000 0 0x2000>,
 127                               <0 0x10216000 0 0x2000>;
 128                 };
 129
 130                 uart0: serial@11002000 {
 131                         compatible = "mediatek,mt8127-uart","mediatek,mt6577-uart";
 132                         reg = <0 0x11002000 0 0x400>;
 133                         interrupts = <GIC_SPI 51 IRQ_TYPE_LEVEL_LOW>;
 134                         clocks = <&uart_clk>;
 135                         status = "disabled";
 136                 };
 137
 138                 uart1: serial@11003000 {
 139                         compatible = "mediatek,mt8127-uart","mediatek,mt6577-uart";
 140                         reg = <0 0x11003000 0 0x400>;
 141                         interrupts = <GIC_SPI 52 IRQ_TYPE_LEVEL_LOW>;
 142                         clocks = <&uart_clk>;
 143                         status = "disabled";
 144                 };
 145
 146                 uart2: serial@11004000 {
 147                         compatible = "mediatek,mt8127-uart","mediatek,mt6577-uart";
 148                         reg = <0 0x11004000 0 0x400>;
 149                         interrupts = <GIC_SPI 53 IRQ_TYPE_LEVEL_LOW>;
 150                         clocks = <&uart_clk>;
 151                         status = "disabled";
 152                 };
 153
 154                 uart3: serial@11005000 {
 155                         compatible = "mediatek,mt8127-uart","mediatek,mt6577-uart";
 156                         reg = <0 0x11005000 0 0x400>;
 157                         interrupts = <GIC_SPI 54 IRQ_TYPE_LEVEL_LOW>;
 158                         clocks = <&uart_clk>;
 159                         status = "disabled";
 160                 };
 161         };
 162 };