The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)

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FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/src/arm/at91-sama5d4_ma5d4.dtsi

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    1 // SPDX-License-Identifier: GPL-2.0-or-later
    2 /*
    3  * Copyright (C) 2015 Marek Vasut <marex@denx.de>
    4  */
    5 
    6 #include "sama5d4.dtsi"
    7 
    8 / {
    9         model = "Aries/DENX MA5D4";
   10         compatible = "aries,ma5d4", "denx,ma5d4", "atmel,sama5d4", "atmel,sama5";
   11 
   12         memory@20000000 {
   13                 reg = <0x20000000 0x10000000>;
   14         };
   15 
   16         clocks {
   17                 slow_xtal {
   18                         clock-frequency = <32768>;
   19                 };
   20 
   21                 main_xtal {
   22                         clock-frequency = <12000000>;
   23                 };
   24 
   25                 clk20m: clk20m {
   26                         compatible = "fixed-clock";
   27                         #clock-cells = <0>;
   28                         clock-frequency = <20000000>;
   29                         clock-output-names = "clk20m";
   30                 };
   31         };
   32 
   33         ahb {
   34                 apb {
   35                         mmc0: mmc@f8000000 {
   36                                 pinctrl-names = "default";
   37                                 pinctrl-0 = <&pinctrl_mmc0_clk_cmd_dat0 &pinctrl_mmc0_dat1_3 &pinctrl_mmc0_dat4_7>;
   38                                 vmmc-supply = <&vcc_mmc0_reg>;
   39                                 vqmmc-supply = <&vcc_3v3_reg>;
   40                                 status = "okay";
   41                                 slot@0 {
   42                                         reg = <0>;
   43                                         bus-width = <8>;
   44                                         broken-cd;
   45                                 };
   46                         };
   47 
   48                         spi0: spi@f8010000 {
   49                                 cs-gpios = <&pioC 3 0>, <0>, <0>, <0>;
   50                                 status = "okay";
   51 
   52                                 flash@0 {
   53                                         compatible = "atmel,at25df321a";
   54                                         spi-max-frequency = <50000000>;
   55                                         reg = <0>;
   56                                 };
   57                         };
   58 
   59                         i2c0: i2c@f8014000 {
   60                                 status = "okay";
   61                         };
   62 
   63                         spi1: spi@fc018000 {
   64                                 cs-gpios = <&pioB 22 0>, <&pioB 23 0>, <0>, <0>;
   65                                 status = "okay";
   66 
   67                                 can0: can@0 {
   68                                         compatible = "microchip,mcp2515";
   69                                         reg = <0>;
   70                                         clocks = <&clk20m>;
   71                                         interrupt-parent = <&pioE>;
   72                                         interrupts = <6 IRQ_TYPE_EDGE_RISING>;
   73                                         spi-max-frequency = <10000000>;
   74                                 };
   75 
   76                                 can1: can@1 {
   77                                         compatible = "microchip,mcp2515";
   78                                         reg = <1>;
   79                                         clocks = <&clk20m>;
   80                                         interrupt-parent = <&pioE>;
   81                                         interrupts = <7 IRQ_TYPE_EDGE_RISING>;
   82                                         spi-max-frequency = <10000000>;
   83                                 };
   84                         };
   85 
   86                         tcb2: timer@fc024000 {
   87                                 timer@0 {
   88                                         compatible = "atmel,tcb-timer";
   89                                         reg = <0>;
   90                                 };
   91 
   92                                 timer@1 {
   93                                         compatible = "atmel,tcb-timer";
   94                                         reg = <1>;
   95                                 };
   96                         };
   97 
   98                         adc0: adc@fc034000 {
   99                                 pinctrl-names = "default";
  100                                 pinctrl-0 = <
  101                                         /* external trigger conflicts with USBA_VBUS */
  102                                         &pinctrl_adc0_ad0
  103                                         &pinctrl_adc0_ad1
  104                                         &pinctrl_adc0_ad2
  105                                         &pinctrl_adc0_ad3
  106                                         &pinctrl_adc0_ad4
  107                                         >;
  108                                 atmel,adc-vref = <3300>;
  109                                 status = "okay";
  110                         };
  111 
  112                         watchdog@fc068640 {
  113                                 status = "okay";
  114                         };
  115                 };
  116         };
  117 
  118         vcc_3v3_reg: fixedregulator_3v3 {
  119                 compatible = "regulator-fixed";
  120                 regulator-name = "VCC 3V3";
  121                 regulator-min-microvolt = <3300000>;
  122                 regulator-max-microvolt = <3300000>;
  123                 regulator-boot-on;
  124                 regulator-always-on;
  125         };
  126 
  127         vcc_mmc0_reg: fixedregulator_mmc0 {
  128                 compatible = "regulator-fixed";
  129                 gpio = <&pioE 15 GPIO_ACTIVE_HIGH>;
  130                 regulator-name = "RST_n MCI0";
  131                 regulator-min-microvolt = <3300000>;
  132                 regulator-max-microvolt = <3300000>;
  133                 vin-supply = <&vcc_3v3_reg>;
  134                 regulator-boot-on;
  135         };
  136 };

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