arch/arm/boot/dts/bcm2835.dtsi

   1 #include <dt-bindings/pinctrl/bcm2835.h>
   2 #include "skeleton.dtsi"
   3
   4 / {
   5         compatible = "brcm,bcm2835";
   6         model = "BCM2835";
   7         interrupt-parent = <&intc>;
   8
   9         chosen {
  10                 bootargs = "earlyprintk console=ttyAMA0";
  11         };
  12
  13         soc {
  14                 compatible = "simple-bus";
  15                 #address-cells = <1>;
  16                 #size-cells = <1>;
  17                 ranges = <0x7e000000 0x20000000 0x02000000>;
  18
  19                 timer@7e003000 {
  20                         compatible = "brcm,bcm2835-system-timer";
  21                         reg = <0x7e003000 0x1000>;
  22                         interrupts = <1 0>, <1 1>, <1 2>, <1 3>;
  23                         clock-frequency = <1000000>;
  24                 };
  25
  26                 dma: dma@7e007000 {
  27                         compatible = "brcm,bcm2835-dma";
  28                         reg = <0x7e007000 0xf00>;
  29                         interrupts = <1 16>,
  30                                      <1 17>,
  31                                      <1 18>,
  32                                      <1 19>,
  33                                      <1 20>,
  34                                      <1 21>,
  35                                      <1 22>,
  36                                      <1 23>,
  37                                      <1 24>,
  38                                      <1 25>,
  39                                      <1 26>,
  40                                      <1 27>,
  41                                      <1 28>;
  42
  43                         #dma-cells = <1>;
  44                         brcm,dma-channel-mask = <0x7f35>;
  45                 };
  46
  47                 intc: interrupt-controller@7e00b200 {
  48                         compatible = "brcm,bcm2835-armctrl-ic";
  49                         reg = <0x7e00b200 0x200>;
  50                         interrupt-controller;
  51                         #interrupt-cells = <2>;
  52                 };
  53
  54                 watchdog@7e100000 {
  55                         compatible = "brcm,bcm2835-pm-wdt";
  56                         reg = <0x7e100000 0x28>;
  57                 };
  58
  59                 rng@7e104000 {
  60                         compatible = "brcm,bcm2835-rng";
  61                         reg = <0x7e104000 0x10>;
  62                 };
  63
  64                 gpio: gpio@7e200000 {
  65                         compatible = "brcm,bcm2835-gpio";
  66                         reg = <0x7e200000 0xb4>;
  67                         /*
  68                          * The GPIO IP block is designed for 3 banks of GPIOs.
  69                          * Each bank has a GPIO interrupt for itself.
  70                          * There is an overall "any bank" interrupt.
  71                          * In order, these are GIC interrupts 17, 18, 19, 20.
  72                          * Since the BCM2835 only has 2 banks, the 2nd bank
  73                          * interrupt output appears to be mirrored onto the
  74                          * 3rd bank's interrupt signal.
  75                          * So, a bank0 interrupt shows up on 17, 20, and
  76                          * a bank1 interrupt shows up on 18, 19, 20!
  77                          */
  78                         interrupts = <2 17>, <2 18>, <2 19>, <2 20>;
  79
  80                         gpio-controller;
  81                         #gpio-cells = <2>;
  82
  83                         interrupt-controller;
  84                         #interrupt-cells = <2>;
  85                 };
  86
  87                 uart@7e201000 {
  88                         compatible = "brcm,bcm2835-pl011", "arm,pl011", "arm,primecell";
  89                         reg = <0x7e201000 0x1000>;
  90                         interrupts = <2 25>;
  91                         clock-frequency = <3000000>;
  92                         arm,primecell-periphid = <0x00241011>;
  93                 };
  94
  95                 i2s: i2s@7e203000 {
  96                         compatible = "brcm,bcm2835-i2s";
  97                         reg = <0x7e203000 0x20>,
  98                               <0x7e101098 0x02>;
  99
 100                         dmas = <&dma 2>,
 101                                <&dma 3>;
 102                         dma-names = "tx", "rx";
 103                         status = "disabled";
 104                 };
 105
 106                 spi: spi@7e204000 {
 107                         compatible = "brcm,bcm2835-spi";
 108                         reg = <0x7e204000 0x1000>;
 109                         interrupts = <2 22>;
 110                         clocks = <&clk_spi>;
 111                         #address-cells = <1>;
 112                         #size-cells = <0>;
 113                         status = "disabled";
 114                 };
 115
 116                 i2c0: i2c@7e205000 {
 117                         compatible = "brcm,bcm2835-i2c";
 118                         reg = <0x7e205000 0x1000>;
 119                         interrupts = <2 21>;
 120                         clocks = <&clk_i2c>;
 121                         #address-cells = <1>;
 122                         #size-cells = <0>;
 123                         status = "disabled";
 124                 };
 125
 126                 sdhci: sdhci@7e300000 {
 127                         compatible = "brcm,bcm2835-sdhci";
 128                         reg = <0x7e300000 0x100>;
 129                         interrupts = <2 30>;
 130                         clocks = <&clk_mmc>;
 131                         status = "disabled";
 132                 };
 133
 134                 i2c1: i2c@7e804000 {
 135                         compatible = "brcm,bcm2835-i2c";
 136                         reg = <0x7e804000 0x1000>;
 137                         interrupts = <2 21>;
 138                         clocks = <&clk_i2c>;
 139                         #address-cells = <1>;
 140                         #size-cells = <0>;
 141                         status = "disabled";
 142                 };
 143
 144                 usb@7e980000 {
 145                         compatible = "brcm,bcm2835-usb";
 146                         reg = <0x7e980000 0x10000>;
 147                         interrupts = <1 9>;
 148                 };
 149
 150                 arm-pmu {
 151                         compatible = "arm,arm1176-pmu";
 152                 };
 153         };
 154
 155         clocks {
 156                 compatible = "simple-bus";
 157                 #address-cells = <1>;
 158                 #size-cells = <0>;
 159
 160                 clk_mmc: clock@0 {
 161                         compatible = "fixed-clock";
 162                         reg = <0>;
 163                         #clock-cells = <0>;
 164                         clock-output-names = "mmc";
 165                         clock-frequency = <100000000>;
 166                 };
 167
 168                 clk_i2c: clock@1 {
 169                         compatible = "fixed-clock";
 170                         reg = <1>;
 171                         #clock-cells = <0>;
 172                         clock-output-names = "i2c";
 173                         clock-frequency = <250000000>;
 174                 };
 175
 176                 clk_spi: clock@2 {
 177                         compatible = "fixed-clock";
 178                         reg = <2>;
 179                         #clock-cells = <0>;
 180                         clock-output-names = "spi";
 181                         clock-frequency = <250000000>;
 182                 };
 183         };
 184 };