arch/arm/dts/bcm6856.dtsi

   1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
   2 /*
   3  * Copyright 2022 Broadcom Ltd.
   4  */
   5
   6 #include <dt-bindings/interrupt-controller/irq.h>
   7 #include <dt-bindings/interrupt-controller/arm-gic.h>
   8
   9 / {
  10         compatible = "brcm,bcm6856", "brcm,bcmbca";
  11         #address-cells = <2>;
  12         #size-cells = <2>;
  13
  14         interrupt-parent = <&gic>;
  15
  16         cpus {
  17                 #address-cells = <2>;
  18                 #size-cells = <0>;
  19
  20                 B53_0: cpu@0 {
  21                         compatible = "brcm,brahma-b53";
  22                         device_type = "cpu";
  23                         reg = <0x0 0x0>;
  24                         next-level-cache = <&L2_0>;
  25                         enable-method = "psci";
  26                 };
  27
  28                 B53_1: cpu@1 {
  29                         compatible = "brcm,brahma-b53";
  30                         device_type = "cpu";
  31                         reg = <0x0 0x1>;
  32                         next-level-cache = <&L2_0>;
  33                         enable-method = "psci";
  34                 };
  35
  36                 L2_0: l2-cache0 {
  37                         compatible = "cache";
  38                 };
  39         };
  40
  41         timer {
  42                 compatible = "arm,armv8-timer";
  43                 interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>,
  44                         <GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>,
  45                         <GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>,
  46                         <GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>;
  47         };
  48
  49         pmu: pmu {
  50                 compatible = "arm,cortex-a53-pmu";
  51                 interrupts = <GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>,
  52                         <GIC_SPI 10 IRQ_TYPE_LEVEL_HIGH>;
  53                 interrupt-affinity = <&B53_0>, <&B53_1>;
  54         };
  55
  56         clocks: clocks {
  57                 periph_clk:periph-clk {
  58                         compatible = "fixed-clock";
  59                         #clock-cells = <0>;
  60                         clock-frequency = <200000000>;
  61                 };
  62         };
  63
  64         psci {
  65                 compatible = "arm,psci-0.2";
  66                 method = "smc";
  67         };
  68
  69         axi@81000000 {
  70                 compatible = "simple-bus";
  71                 #address-cells = <1>;
  72                 #size-cells = <1>;
  73                 ranges = <0x0 0x0 0x81000000 0x8000>;
  74
  75                 gic: interrupt-controller@1000 {
  76                         compatible = "arm,gic-400";
  77                         #interrupt-cells = <3>;
  78                         interrupt-controller;
  79                         reg = <0x1000 0x1000>, /* GICD */
  80                                 <0x2000 0x2000>, /* GICC */
  81                                 <0x4000 0x2000>, /* GICH */
  82                                 <0x6000 0x2000>; /* GICV */
  83                         interrupts = <GIC_PPI 9 (GIC_CPU_MASK_SIMPLE(2) |
  84                                         IRQ_TYPE_LEVEL_HIGH)>;
  85                 };
  86         };
  87
  88         bus@ff800000 {
  89                 compatible = "simple-bus";
  90                 #address-cells = <1>;
  91                 #size-cells = <1>;
  92                 ranges = <0x0 0x0 0xff800000 0x800000>;
  93
  94                 uart0: serial@640 {
  95                         compatible = "brcm,bcm6345-uart";
  96                         reg = <0x640 0x18>;
  97                         interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>;
  98                         clocks = <&periph_clk>;
  99                         clock-names = "refclk";
 100                         status = "disabled";
 101                 };
 102         };
 103 };