arch/arm/boot/dts/bcm2836.dtsi

   1 // SPDX-License-Identifier: GPL-2.0
   2 #include "bcm283x.dtsi"
   3 #include "bcm2835-common.dtsi"
   4
   5 / {
   6         compatible = "brcm,bcm2836";
   7
   8         soc {
   9                 ranges = <0x7e000000 0x3f000000 0x1000000>,
  10                          <0x40000000 0x40000000 0x00001000>;
  11                 dma-ranges = <0xc0000000 0x00000000 0x3f000000>;
  12
  13                 local_intc: local_intc@40000000 {
  14                         compatible = "brcm,bcm2836-l1-intc";
  15                         reg = <0x40000000 0x100>;
  16                         interrupt-controller;
  17                         #interrupt-cells = <2>;
  18                         interrupt-parent = <&local_intc>;
  19                 };
  20         };
  21
  22         arm-pmu {
  23                 compatible = "arm,cortex-a7-pmu";
  24                 interrupt-parent = <&local_intc>;
  25                 interrupts = <9 IRQ_TYPE_LEVEL_HIGH>;
  26         };
  27
  28         timer {
  29                 compatible = "arm,armv7-timer";
  30                 interrupt-parent = <&local_intc>;
  31                 interrupts = <0 IRQ_TYPE_LEVEL_HIGH>, // PHYS_SECURE_PPI
  32                              <1 IRQ_TYPE_LEVEL_HIGH>, // PHYS_NONSECURE_PPI
  33                              <3 IRQ_TYPE_LEVEL_HIGH>, // VIRT_PPI
  34                              <2 IRQ_TYPE_LEVEL_HIGH>; // HYP_PPI
  35                 always-on;
  36         };
  37
  38         cpus: cpus {
  39                 #address-cells = <1>;
  40                 #size-cells = <0>;
  41                 enable-method = "brcm,bcm2836-smp";
  42
  43                 v7_cpu0: cpu@0 {
  44                         device_type = "cpu";
  45                         compatible = "arm,cortex-a7";
  46                         reg = <0xf00>;
  47                         clock-frequency = <800000000>;
  48                 };
  49
  50                 v7_cpu1: cpu@1 {
  51                         device_type = "cpu";
  52                         compatible = "arm,cortex-a7";
  53                         reg = <0xf01>;
  54                         clock-frequency = <800000000>;
  55                 };
  56
  57                 v7_cpu2: cpu@2 {
  58                         device_type = "cpu";
  59                         compatible = "arm,cortex-a7";
  60                         reg = <0xf02>;
  61                         clock-frequency = <800000000>;
  62                 };
  63
  64                 v7_cpu3: cpu@3 {
  65                         device_type = "cpu";
  66                         compatible = "arm,cortex-a7";
  67                         reg = <0xf03>;
  68                         clock-frequency = <800000000>;
  69                 };
  70         };
  71 };
  72
  73 /* Make the BCM2835-style global interrupt controller be a child of the
  74  * CPU-local interrupt controller.
  75  */
  76 &intc {
  77         compatible = "brcm,bcm2836-armctrl-ic";
  78         reg = <0x7e00b200 0x200>;
  79         interrupt-parent = <&local_intc>;
  80         interrupts = <8 IRQ_TYPE_LEVEL_HIGH>;
  81 };
  82
  83 &cpu_thermal {
  84         coefficients = <(-538)  407000>;
  85 };
  86
  87 /* enable thermal sensor with the correct compatible property set */
  88 &thermal {
  89         compatible = "brcm,bcm2836-thermal";
  90         status = "okay";
  91 };