arch/arm64/boot/dts/broadcom/bcmbca/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                         cache-level = <2>;
  39                         cache-unified;
  40                 };
  41         };
  42
  43         timer {
  44                 compatible = "arm,armv8-timer";
  45                 interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>,
  46                         <GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>,
  47                         <GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>,
  48                         <GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>;
  49         };
  50
  51         pmu: pmu {
  52                 compatible = "arm,cortex-a53-pmu";
  53                 interrupts = <GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>,
  54                         <GIC_SPI 10 IRQ_TYPE_LEVEL_HIGH>;
  55                 interrupt-affinity = <&B53_0>, <&B53_1>;
  56         };
  57
  58         clocks: clocks {
  59                 periph_clk:periph-clk {
  60                         compatible = "fixed-clock";
  61                         #clock-cells = <0>;
  62                         clock-frequency = <200000000>;
  63                 };
  64
  65                 hsspi_pll: hsspi-pll {
  66                         compatible = "fixed-clock";
  67                         #clock-cells = <0>;
  68                         clock-frequency = <400000000>;
  69                 };
  70         };
  71
  72         psci {
  73                 compatible = "arm,psci-0.2";
  74                 method = "smc";
  75         };
  76
  77         axi@81000000 {
  78                 compatible = "simple-bus";
  79                 #address-cells = <1>;
  80                 #size-cells = <1>;
  81                 ranges = <0x0 0x0 0x81000000 0x8000>;
  82
  83                 gic: interrupt-controller@1000 {
  84                         compatible = "arm,gic-400";
  85                         #interrupt-cells = <3>;
  86                         interrupt-controller;
  87                         reg = <0x1000 0x1000>, /* GICD */
  88                                 <0x2000 0x2000>, /* GICC */
  89                                 <0x4000 0x2000>, /* GICH */
  90                                 <0x6000 0x2000>; /* GICV */
  91                         interrupts = <GIC_PPI 9 (GIC_CPU_MASK_SIMPLE(2) |
  92                                         IRQ_TYPE_LEVEL_HIGH)>;
  93                 };
  94         };
  95
  96         bus@ff800000 {
  97                 compatible = "simple-bus";
  98                 #address-cells = <1>;
  99                 #size-cells = <1>;
 100                 ranges = <0x0 0x0 0xff800000 0x800000>;
 101
 102                 uart0: serial@640 {
 103                         compatible = "brcm,bcm6345-uart";
 104                         reg = <0x640 0x18>;
 105                         interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>;
 106                         clocks = <&periph_clk>;
 107                         clock-names = "refclk";
 108                         status = "disabled";
 109                 };
 110
 111                 hsspi: spi@1000 {
 112                         #address-cells = <1>;
 113                         #size-cells = <0>;
 114                         compatible = "brcm,bcm6856-hsspi", "brcm,bcmbca-hsspi-v1.0";
 115                         reg = <0x1000 0x600>;
 116                         interrupts = <GIC_SPI 37 IRQ_TYPE_LEVEL_HIGH>;
 117                         clocks = <&hsspi_pll &hsspi_pll>;
 118                         clock-names = "hsspi", "pll";
 119                         num-cs = <8>;
 120                         status = "disabled";
 121                 };
 122         };
 123 };