arch/arm/boot/dts/bcm2836.dtsi

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