arch/arm/boot/dts/sama5d3xcm.dtsi

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  * sama5d3xcm.dtsi - Device Tree Include file for SAMA5D3x CPU Module
   4  *
   5  *  Copyright (C) 2013 Atmel,
   6  *                2013 Ludovic Desroches <ludovic.desroches@atmel.com>
   7  */
   8
   9 / {
  10         compatible = "atmel,sama5d3xcm", "atmel,sama5d3", "atmel,sama5";
  11
  12         chosen {
  13                 bootargs = "rootfstype=ubifs ubi.mtd=5 root=ubi0:rootfs";
  14                 stdout-path = "serial0:115200n8";
  15         };
  16
  17         memory {
  18                 reg = <0x20000000 0x20000000>;
  19         };
  20
  21         clocks {
  22                 slow_xtal {
  23                         clock-frequency = <32768>;
  24                 };
  25
  26                 main_xtal {
  27                         clock-frequency = <12000000>;
  28                 };
  29         };
  30
  31         ahb {
  32                 apb {
  33                         spi0: spi@f0004000 {
  34                                 cs-gpios = <&pioD 13 0>, <0>, <0>, <0>;
  35                         };
  36
  37                         tcb0: timer@f0010000 {
  38                                 timer@0 {
  39                                         compatible = "atmel,tcb-timer";
  40                                         reg = <0>;
  41                                 };
  42
  43                                 timer@1 {
  44                                         compatible = "atmel,tcb-timer";
  45                                         reg = <1>;
  46                                 };
  47                         };
  48                 };
  49
  50                 ebi@10000000 {
  51                         pinctrl-0 = <&pinctrl_ebi_addr &pinctrl_ebi_cs0>;
  52                         pinctr-name = "default";
  53                         status = "okay";
  54
  55                         nor: flash@0,0 {
  56                                 compatible = "cfi-flash";
  57                                 linux,mtd-name = "physmap-flash.0";
  58                                 #address-cells = <1>;
  59                                 #size-cells = <1>;
  60                                 reg = <0x0 0x0 0x1000000>;
  61                                 bank-width = <2>;
  62                                 atmel,smc-read-mode = "nrd";
  63                                 atmel,smc-write-mode = "nwe";
  64                                 atmel,smc-bus-width = <16>;
  65                                 atmel,smc-ncs-rd-setup-ns = <0>;
  66                                 atmel,smc-ncs-wr-setup-ns = <0>;
  67                                 atmel,smc-nwe-setup-ns = <8>;
  68                                 atmel,smc-nrd-setup-ns = <16>;
  69                                 atmel,smc-ncs-rd-pulse-ns = <84>;
  70                                 atmel,smc-ncs-wr-pulse-ns = <84>;
  71                                 atmel,smc-nrd-pulse-ns = <76>;
  72                                 atmel,smc-nwe-pulse-ns = <76>;
  73                                 atmel,smc-nrd-cycle-ns = <107>;
  74                                 atmel,smc-nwe-cycle-ns = <84>;
  75                                 atmel,smc-tdf-ns = <16>;
  76                         };
  77
  78                         nand_controller: nand-controller {
  79                                 status = "okay";
  80
  81                                 nand@3 {
  82                                         reg = <0x3 0x0 0x2>;
  83                                         atmel,rb = <0>;
  84                                         nand-ecc-mode = "hw";
  85                                         nand-ecc-strength = <4>;
  86                                         nand-ecc-step-size = <512>;
  87                                         nand-on-flash-bbt;
  88                                         label = "atmel_nand";
  89
  90                                         partitions {
  91                                                 compatible = "fixed-partitions";
  92                                                 #address-cells = <1>;
  93                                                 #size-cells = <1>;
  94
  95                                                 at91bootstrap@0 {
  96                                                         label = "at91bootstrap";
  97                                                         reg = <0x0 0x40000>;
  98                                                 };
  99
 100                                                 bootloader@40000 {
 101                                                         label = "bootloader";
 102                                                         reg = <0x40000 0x80000>;
 103                                                 };
 104
 105                                                 bootloaderenv@c0000 {
 106                                                         label = "bootloader env";
 107                                                         reg = <0xc0000 0xc0000>;
 108                                                 };
 109
 110                                                 dtb@180000 {
 111                                                         label = "device tree";
 112                                                         reg = <0x180000 0x80000>;
 113                                                 };
 114
 115                                                 kernel@200000 {
 116                                                         label = "kernel";
 117                                                         reg = <0x200000 0x600000>;
 118                                                 };
 119
 120                                                 rootfs@800000 {
 121                                                         label = "rootfs";
 122                                                         reg = <0x800000 0x0f800000>;
 123                                                 };
 124                                         };
 125                                 };
 126                         };
 127                 };
 128         };
 129
 130         leds {
 131                 compatible = "gpio-leds";
 132
 133                 d2 {
 134                         label = "d2";
 135                         gpios = <&pioE 25 GPIO_ACTIVE_LOW>;     /* PE25, conflicts with A25, RXD2 */
 136                         linux,default-trigger = "heartbeat";
 137                 };
 138         };
 139 };