arch/arm/dts/sun8i-r40.dtsi

   1 /*
   2  * Copyright 2016 Chen-Yu Tsai
   3  *
   4  * Chen-Yu Tsai <wens@csie.org>
   5  *
   6  * This file is dual-licensed: you can use it either under the terms
   7  * of the GPL or the X11 license, at your option. Note that this dual
   8  * licensing only applies to this file, and not this project as a
   9  * whole.
  10  *
  11  *  a) This file is free software; you can redistribute it and/or
  12  *     modify it under the terms of the GNU General Public License as
  13  *     published by the Free Software Foundation; either version 2 of the
  14  *     License, or (at your option) any later version.
  15  *
  16  *     This file is distributed in the hope that it will be useful,
  17  *     but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  *     GNU General Public License for more details.
  20  *
  21  * Or, alternatively,
  22  *
  23  *  b) Permission is hereby granted, free of charge, to any person
  24  *     obtaining a copy of this software and associated documentation
  25  *     files (the "Software"), to deal in the Software without
  26  *     restriction, including without limitation the rights to use,
  27  *     copy, modify, merge, publish, distribute, sublicense, and/or
  28  *     sell copies of the Software, and to permit persons to whom the
  29  *     Software is furnished to do so, subject to the following
  30  *     conditions:
  31  *
  32  *     The above copyright notice and this permission notice shall be
  33  *     included in all copies or substantial portions of the Software.
  34  *
  35  *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  36  *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
  37  *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  38  *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
  39  *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  40  *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  41  *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  42  *     OTHER DEALINGS IN THE SOFTWARE.
  43  */
  44
  45 #include <dt-bindings/interrupt-controller/arm-gic.h>
  46
  47 / {
  48         #address-cells = <1>;
  49         #size-cells = <1>;
  50         interrupt-parent = <&gic>;
  51
  52         aliases {
  53         };
  54
  55         chosen {
  56         };
  57
  58         clocks {
  59                 #address-cells = <1>;
  60                 #size-cells = <1>;
  61                 ranges;
  62
  63                 osc24M: osc24M_clk {
  64                         #clock-cells = <0>;
  65                         compatible = "fixed-clock";
  66                         clock-frequency = <24000000>;
  67                 };
  68
  69                 osc32k: osc32k_clk {
  70                         #clock-cells = <0>;
  71                         compatible = "fixed-clock";
  72                         clock-frequency = <32768>;
  73                         clock-output-names = "osc32k";
  74                 };
  75         };
  76
  77         cpus {
  78                 #address-cells = <1>;
  79                 #size-cells = <0>;
  80
  81                 cpu0: cpu@0 {
  82                         compatible = "arm,cortex-a7";
  83                         device_type = "cpu";
  84                         reg = <0>;
  85                 };
  86
  87                 cpu@1 {
  88                         compatible = "arm,cortex-a7";
  89                         device_type = "cpu";
  90                         reg = <1>;
  91                 };
  92
  93                 cpu@2 {
  94                         compatible = "arm,cortex-a7";
  95                         device_type = "cpu";
  96                         reg = <2>;
  97                 };
  98
  99                 cpu@3 {
 100                         compatible = "arm,cortex-a7";
 101                         device_type = "cpu";
 102                         reg = <3>;
 103                 };
 104         };
 105
 106         memory@40000000 {
 107                 device_type = "memory";
 108                 reg = <0x40000000 0x80000000>;
 109         };
 110
 111         soc {
 112                 compatible = "simple-bus";
 113                 #address-cells = <1>;
 114                 #size-cells = <1>;
 115                 ranges;
 116
 117                 pio: pinctrl@1c20800 {
 118                         compatible = "allwinner,sun8i-r40-pinctrl";
 119                         reg = <0x01c20800 0x400>;
 120                         interrupts = <GIC_SPI 28 IRQ_TYPE_LEVEL_HIGH>;
 121                         /* apb should be replaced once CCU is implemented */
 122                         clocks = <&osc24M>, <&osc24M>, <&osc32k>;
 123                         clock-names = "apb", "hosc", "losc";
 124                         gpio-controller;
 125                         interrupt-controller;
 126                         #interrupt-cells = <3>;
 127                         #gpio-cells = <3>;
 128
 129                         i2c0_pins: i2c0_pins {
 130                                 pins = "PB0", "PB1";
 131                                 function = "i2c0";
 132                                 bias-pull-up;
 133                         };
 134
 135                         uart0_pb_pins: uart0_pb_pins {
 136                                 pins = "PB22", "PB23";
 137                                 function = "uart0";
 138                                 bias-pull-up;
 139                         };
 140                 };
 141
 142                 uart0: serial@1c28000 {
 143                         compatible = "snps,dw-apb-uart";
 144                         reg = <0x01c28000 0x400>;
 145                         interrupts = <GIC_SPI 1 IRQ_TYPE_LEVEL_HIGH>;
 146                         reg-shift = <2>;
 147                         reg-io-width = <4>;
 148                         clocks = <&osc24M>;
 149                         status = "disabled";
 150                 };
 151
 152                 i2c0: i2c@1c2ac00 {
 153                         compatible = "allwinner,sun6i-a31-i2c";
 154                         reg = <0x01c2ac00 0x400>;
 155                         interrupts = <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>;
 156                         clocks = <&osc24M>;
 157                         status = "disabled";
 158                         #address-cells = <1>;
 159                         #size-cells = <0>;
 160                 };
 161
 162                 gic: interrupt-controller@1c81000 {
 163                         compatible = "arm,cortex-a7-gic", "arm,cortex-a15-gic";
 164                         reg = <0x01c81000 0x1000>,
 165                               <0x01c82000 0x1000>,
 166                               <0x01c84000 0x2000>,
 167                               <0x01c86000 0x2000>;
 168                         interrupt-controller;
 169                         #interrupt-cells = <3>;
 170                         interrupts = <GIC_PPI 9 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>;
 171                 };
 172         };
 173
 174         timer {
 175                 compatible = "arm,armv7-timer";
 176                 interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
 177                              <GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
 178                              <GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
 179                              <GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>;
 180                 clock-frequency = <24000000>;
 181                 arm,cpu-registers-not-fw-configured;
 182         };
 183 };