arch/mips/dts/brcm,bcm6338.dtsi

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * Copyright (C) 2017 Álvaro Fernández Rojas <noltari@gmail.com>
   4  */
   5
   6 #include <dt-bindings/clock/bcm6338-clock.h>
   7 #include <dt-bindings/dma/bcm6338-dma.h>
   8 #include <dt-bindings/gpio/gpio.h>
   9 #include <dt-bindings/reset/bcm6338-reset.h>
  10 #include "skeleton.dtsi"
  11
  12 / {
  13         compatible = "brcm,bcm6338";
  14
  15         aliases {
  16                 spi0 = &spi;
  17         };
  18
  19         cpus {
  20                 reg = <0xfffe0000 0x4>;
  21                 #address-cells = <1>;
  22                 #size-cells = <0>;
  23                 u-boot,dm-pre-reloc;
  24
  25                 cpu@0 {
  26                         compatible = "brcm,bcm6338-cpu", "mips,mips4Kc";
  27                         device_type = "cpu";
  28                         reg = <0>;
  29                         u-boot,dm-pre-reloc;
  30                 };
  31         };
  32
  33         clocks {
  34                 compatible = "simple-bus";
  35                 #address-cells = <1>;
  36                 #size-cells = <1>;
  37                 u-boot,dm-pre-reloc;
  38
  39                 periph_osc: periph-osc {
  40                         compatible = "fixed-clock";
  41                         #clock-cells = <0>;
  42                         clock-frequency = <50000000>;
  43                         u-boot,dm-pre-reloc;
  44                 };
  45
  46                 periph_clk: periph-clk {
  47                         compatible = "brcm,bcm6345-clk";
  48                         reg = <0xfffe0004 0x4>;
  49                         #clock-cells = <1>;
  50                 };
  51         };
  52
  53         pflash: nor@1fc00000 {
  54                 compatible = "cfi-flash";
  55                 reg = <0x1fc00000 0x400000>;
  56                 bank-width = <2>;
  57                 #address-cells = <1>;
  58                 #size-cells = <1>;
  59
  60                 status = "disabled";
  61         };
  62
  63         ubus {
  64                 compatible = "simple-bus";
  65                 #address-cells = <1>;
  66                 #size-cells = <1>;
  67                 u-boot,dm-pre-reloc;
  68
  69                 pll_cntl: syscon@fffe0008 {
  70                         compatible = "syscon";
  71                         reg = <0xfffe0008 0x4>;
  72                 };
  73
  74                 syscon-reboot {
  75                         compatible = "syscon-reboot";
  76                         regmap = <&pll_cntl>;
  77                         offset = <0x0>;
  78                         mask = <0x1>;
  79                 };
  80
  81                 periph_rst: reset-controller@fffe0028 {
  82                         compatible = "brcm,bcm6345-reset";
  83                         reg = <0xfffe0028 0x4>;
  84                         #reset-cells = <1>;
  85                 };
  86
  87                 wdt: watchdog@fffe021c {
  88                         compatible = "brcm,bcm6345-wdt";
  89                         reg = <0xfffe021c 0xc>;
  90                         clocks = <&periph_osc>;
  91                 };
  92
  93                 wdt-reboot {
  94                         compatible = "wdt-reboot";
  95                         wdt = <&wdt>;
  96                 };
  97
  98                 uart0: serial@fffe0300 {
  99                         compatible = "brcm,bcm6345-uart";
 100                         reg = <0xfffe0300 0x18>;
 101                         clocks = <&periph_osc>;
 102
 103                         status = "disabled";
 104                 };
 105
 106                 gpio: gpio-controller@fffe0404 {
 107                         compatible = "brcm,bcm6345-gpio";
 108                         reg = <0xfffe0404 0x4>, <0xfffe040c 0x4>;
 109                         gpio-controller;
 110                         #gpio-cells = <2>;
 111                         ngpios = <8>;
 112
 113                         status = "disabled";
 114                 };
 115
 116                 spi: spi@fffe0c00 {
 117                         compatible = "brcm,bcm6348-spi";
 118                         reg = <0xfffe0c00 0xc0>;
 119                         #address-cells = <1>;
 120                         #size-cells = <0>;
 121                         clocks = <&periph_clk BCM6338_CLK_SPI>;
 122                         resets = <&periph_rst BCM6338_RST_SPI>;
 123                         spi-max-frequency = <20000000>;
 124                         num-cs = <4>;
 125
 126                         status = "disabled";
 127                 };
 128
 129                 memory-controller@fffe3100 {
 130                         compatible = "brcm,bcm6338-mc";
 131                         reg = <0xfffe3100 0x38>;
 132                         u-boot,dm-pre-reloc;
 133                 };
 134
 135                 iudma: dma-controller@fffe2400 {
 136                         compatible = "brcm,bcm6348-iudma";
 137                         reg = <0xfffe2400 0x1c>,
 138                               <0xfffe2500 0x60>,
 139                               <0xfffe2600 0x60>;
 140                         reg-names = "dma",
 141                                     "dma-channels",
 142                                     "dma-sram";
 143                         #dma-cells = <1>;
 144                         dma-channels = <6>;
 145                         resets = <&periph_rst BCM6338_RST_DMAMEM>;
 146                 };
 147
 148                 enet: ethernet@fffe2800 {
 149                         compatible = "brcm,bcm6348-enet";
 150                         #address-cells = <1>;
 151                         #size-cells = <0>;
 152                         reg = <0xfffe2800 0x2dc>;
 153                         clocks = <&periph_clk BCM6338_CLK_ENET>;
 154                         resets = <&periph_rst BCM6338_RST_ENET>;
 155                         dmas = <&iudma BCM6338_DMA_ENET_RX>,
 156                                <&iudma BCM6338_DMA_ENET_TX>;
 157                         dma-names = "rx",
 158                                     "tx";
 159
 160                         status = "disabled";
 161                 };
 162         };
 163 };