arch/arm/boot/dts/zynq-7000.dtsi

   1 /*
   2  *  Copyright (C) 2011 Xilinx
   3  *
   4  * This software is licensed under the terms of the GNU General Public
   5  * License version 2, as published by the Free Software Foundation, and
   6  * may be copied, distributed, and modified under those terms.
   7  *
   8  * This program is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11  * GNU General Public License for more details.
  12  */
  13 /include/ "skeleton.dtsi"
  14
  15 / {
  16         compatible = "xlnx,zynq-7000";
  17
  18         amba {
  19                 compatible = "simple-bus";
  20                 #address-cells = <1>;
  21                 #size-cells = <1>;
  22                 interrupt-parent = <&intc>;
  23                 ranges;
  24
  25                 intc: interrupt-controller@f8f01000 {
  26                         compatible = "arm,cortex-a9-gic";
  27                         #interrupt-cells = <3>;
  28                         #address-cells = <1>;
  29                         interrupt-controller;
  30                         reg = <0xF8F01000 0x1000>,
  31                               <0xF8F00100 0x100>;
  32                 };
  33
  34                 L2: cache-controller {
  35                         compatible = "arm,pl310-cache";
  36                         reg = <0xF8F02000 0x1000>;
  37                         arm,data-latency = <2 3 2>;
  38                         arm,tag-latency = <2 3 2>;
  39                         cache-unified;
  40                         cache-level = <2>;
  41                 };
  42
  43                 uart0: uart@e0000000 {
  44                         compatible = "xlnx,xuartps";
  45                         reg = <0xE0000000 0x1000>;
  46                         interrupts = <0 27 4>;
  47                         clock = <50000000>;
  48                 };
  49
  50                 uart1: uart@e0001000 {
  51                         compatible = "xlnx,xuartps";
  52                         reg = <0xE0001000 0x1000>;
  53                         interrupts = <0 50 4>;
  54                         clock = <50000000>;
  55                 };
  56
  57                 slcr: slcr@f8000000 {
  58                         compatible = "xlnx,zynq-slcr";
  59                         reg = <0xF8000000 0x1000>;
  60
  61                         clocks {
  62                                 #address-cells = <1>;
  63                                 #size-cells = <0>;
  64
  65                                 ps_clk: ps_clk {
  66                                         #clock-cells = <0>;
  67                                         compatible = "fixed-clock";
  68                                         /* clock-frequency set in board-specific file */
  69                                         clock-output-names = "ps_clk";
  70                                 };
  71                                 armpll: armpll {
  72                                         #clock-cells = <0>;
  73                                         compatible = "xlnx,zynq-pll";
  74                                         clocks = <&ps_clk>;
  75                                         reg = <0x100 0x110>;
  76                                         clock-output-names = "armpll";
  77                                 };
  78                                 ddrpll: ddrpll {
  79                                         #clock-cells = <0>;
  80                                         compatible = "xlnx,zynq-pll";
  81                                         clocks = <&ps_clk>;
  82                                         reg = <0x104 0x114>;
  83                                         clock-output-names = "ddrpll";
  84                                 };
  85                                 iopll: iopll {
  86                                         #clock-cells = <0>;
  87                                         compatible = "xlnx,zynq-pll";
  88                                         clocks = <&ps_clk>;
  89                                         reg = <0x108 0x118>;
  90                                         clock-output-names = "iopll";
  91                                 };
  92                                 uart_clk: uart_clk {
  93                                         #clock-cells = <1>;
  94                                         compatible = "xlnx,zynq-periph-clock";
  95                                         clocks = <&iopll &armpll &ddrpll>;
  96                                         reg = <0x154>;
  97                                         clock-output-names = "uart0_ref_clk",
  98                                                              "uart1_ref_clk";
  99                                 };
 100                                 cpu_clk: cpu_clk {
 101                                         #clock-cells = <1>;
 102                                         compatible = "xlnx,zynq-cpu-clock";
 103                                         clocks = <&iopll &armpll &ddrpll>;
 104                                         reg = <0x120 0x1C4>;
 105                                         clock-output-names = "cpu_6x4x",
 106                                                              "cpu_3x2x",
 107                                                              "cpu_2x",
 108                                                              "cpu_1x";
 109                                 };
 110                         };
 111                 };
 112         };
 113 };