arch/arm/boot/dts/sun5i-a13.dtsi

   1 /*
   2  * Copyright 2012 Maxime Ripard
   3  *
   4  * Maxime Ripard <maxime.ripard@free-electrons.com>
   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 library 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 library 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 "skeleton.dtsi"
  46
  47 #include "sun5i.dtsi"
  48
  49 #include <dt-bindings/pinctrl/sun4i-a10.h>
  50 #include <dt-bindings/thermal/thermal.h>
  51
  52 / {
  53         interrupt-parent = <&intc>;
  54
  55         chosen {
  56                 #address-cells = <1>;
  57                 #size-cells = <1>;
  58                 ranges;
  59
  60                 framebuffer@0 {
  61                         compatible = "allwinner,simple-framebuffer",
  62                                      "simple-framebuffer";
  63                         allwinner,pipeline = "de_be0-lcd0";
  64                         clocks = <&pll5 1>, <&ahb_gates 36>, <&ahb_gates 44>;
  65                         status = "disabled";
  66                 };
  67         };
  68
  69         thermal-zones {
  70                 cpu_thermal {
  71                         /* milliseconds */
  72                         polling-delay-passive = <250>;
  73                         polling-delay = <1000>;
  74                         thermal-sensors = <&rtp>;
  75
  76                         cooling-maps {
  77                                 map0 {
  78                                         trip = <&cpu_alert0>;
  79                                         cooling-device = <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
  80                                 };
  81                         };
  82
  83                         trips {
  84                                 cpu_alert0: cpu_alert0 {
  85                                         /* milliCelsius */
  86                                         temperature = <850000>;
  87                                         hysteresis = <2000>;
  88                                         type = "passive";
  89                                 };
  90
  91                                 cpu_crit: cpu_crit {
  92                                         /* milliCelsius */
  93                                         temperature = <100000>;
  94                                         hysteresis = <2000>;
  95                                         type = "critical";
  96                                 };
  97                         };
  98                 };
  99         };
 100
 101         clocks {
 102                 ahb_gates: clk@01c20060 {
 103                         #clock-cells = <1>;
 104                         compatible = "allwinner,sun5i-a13-ahb-gates-clk";
 105                         reg = <0x01c20060 0x8>;
 106                         clocks = <&ahb>;
 107                         clock-output-names = "ahb_usbotg", "ahb_ehci",
 108                                              "ahb_ohci", "ahb_ss", "ahb_dma",
 109                                              "ahb_bist", "ahb_mmc0", "ahb_mmc1",
 110                                              "ahb_mmc2", "ahb_nand",
 111                                              "ahb_sdram", "ahb_spi0",
 112                                              "ahb_spi1", "ahb_spi2",
 113                                              "ahb_stimer", "ahb_ve", "ahb_lcd",
 114                                              "ahb_csi", "ahb_de_be",
 115                                              "ahb_de_fe", "ahb_iep",
 116                                              "ahb_mali400";
 117                 };
 118
 119                 apb0_gates: clk@01c20068 {
 120                         #clock-cells = <1>;
 121                         compatible = "allwinner,sun5i-a13-apb0-gates-clk";
 122                         reg = <0x01c20068 0x4>;
 123                         clocks = <&apb0>;
 124                         clock-output-names = "apb0_codec", "apb0_pio",
 125                                              "apb0_ir";
 126                 };
 127
 128                 apb1_gates: clk@01c2006c {
 129                         #clock-cells = <1>;
 130                         compatible = "allwinner,sun5i-a13-apb1-gates-clk";
 131                         reg = <0x01c2006c 0x4>;
 132                         clocks = <&apb1>;
 133                         clock-output-names = "apb1_i2c0", "apb1_i2c1",
 134                                 "apb1_i2c2", "apb1_uart1", "apb1_uart3";
 135                 };
 136         };
 137 };
 138
 139 &cpu0 {
 140         clock-latency = <244144>; /* 8 32k periods */
 141         operating-points = <
 142                 /* kHz    uV */
 143                 1008000 1400000
 144                 912000  1350000
 145                 864000  1300000
 146                 624000  1200000
 147                 576000  1200000
 148                 432000  1200000
 149                 >;
 150         #cooling-cells = <2>;
 151         cooling-min-level = <0>;
 152         cooling-max-level = <5>;
 153 };
 154
 155 &pio {
 156         compatible = "allwinner,sun5i-a13-pinctrl";
 157
 158         uart1_pins_a: uart1@0 {
 159                 allwinner,pins = "PE10", "PE11";
 160                 allwinner,function = "uart1";
 161                 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
 162                 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
 163         };
 164
 165         uart1_pins_b: uart1@1 {
 166                 allwinner,pins = "PG3", "PG4";
 167                 allwinner,function = "uart1";
 168                 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
 169                 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
 170         };
 171 };