arch/arm/boot/dts/at91sam9x5cm.dtsi

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  * at91sam9x5cm.dtsi - Device Tree Include file for AT91SAM9x5 CPU Module
   4  *
   5  *  Copyright (C) 2012 Atmel,
   6  *                2012 Nicolas Ferre <nicolas.ferre@atmel.com>
   7  */
   8
   9 / {
  10         memory@20000000 {
  11                 reg = <0x20000000 0x8000000>;
  12         };
  13
  14         clocks {
  15                 slow_xtal {
  16                         clock-frequency = <32768>;
  17                 };
  18
  19                 main_xtal {
  20                         clock-frequency = <12000000>;
  21                 };
  22         };
  23
  24         ahb {
  25                 apb {
  26                         tcb0: timer@f8008000 {
  27                                 timer@0 {
  28                                         compatible = "atmel,tcb-timer";
  29                                         reg = <0>;
  30                                 };
  31
  32                                 timer@1 {
  33                                         compatible = "atmel,tcb-timer";
  34                                         reg = <1>;
  35                                 };
  36                         };
  37
  38                         pinctrl@fffff400 {
  39                                 1wire_cm {
  40                                         pinctrl_1wire_cm: 1wire_cm-0 {
  41                                                 atmel,pins = <AT91_PIOB 18 AT91_PERIPH_GPIO AT91_PINCTRL_MULTI_DRIVE>; /* PB18 multidrive, conflicts with led */
  42                                         };
  43                                 };
  44                         };
  45
  46                         rtc@fffffeb0 {
  47                                 status = "okay";
  48                         };
  49                 };
  50
  51                 ebi: ebi@10000000 {
  52                         pinctrl-0 = <&pinctrl_ebi_addr_nand
  53                                      &pinctrl_ebi_data_0_7>;
  54                         pinctrl-names = "default";
  55                         status = "okay";
  56
  57                         nand_controller: nand-controller {
  58                                 status = "okay";
  59                                 pinctrl-0 = <&pinctrl_nand_oe_we
  60                                              &pinctrl_nand_cs
  61                                              &pinctrl_nand_rb>;
  62                                 pinctrl-names = "default";
  63
  64                                 nand@3 {
  65                                         reg = <0x3 0x0 0x800000>;
  66                                         rb-gpios = <&pioD 5 GPIO_ACTIVE_HIGH>;
  67                                         cs-gpios = <&pioD 4 GPIO_ACTIVE_HIGH>;
  68                                         nand-bus-width = <8>;
  69                                         nand-ecc-mode = "hw";
  70                                         nand-ecc-strength = <2>;
  71                                         nand-ecc-step-size = <512>;
  72                                         nand-on-flash-bbt;
  73                                         label = "atmel_nand";
  74
  75                                         partitions {
  76                                                 compatible = "fixed-partitions";
  77                                                 #address-cells = <1>;
  78                                                 #size-cells = <1>;
  79
  80                                                 at91bootstrap@0 {
  81                                                         label = "at91bootstrap";
  82                                                         reg = <0x0 0x40000>;
  83                                                 };
  84
  85                                                 uboot@40000 {
  86                                                         label = "u-boot";
  87                                                         reg = <0x40000 0xc0000>;
  88                                                 };
  89
  90                                                 ubootenvred@100000 {
  91                                                         label = "U-Boot Env Redundant";
  92                                                         reg = <0x100000 0x40000>;
  93                                                 };
  94
  95                                                 ubootenv@140000 {
  96                                                         label = "U-Boot Env";
  97                                                         reg = <0x140000 0x40000>;
  98                                                 };
  99
 100                                                 dtb@180000 {
 101                                                         label = "device tree";
 102                                                         reg = <0x180000 0x80000>;
 103                                                 };
 104
 105                                                 kernel@200000 {
 106                                                         label = "kernel";
 107                                                         reg = <0x200000 0x600000>;
 108                                                 };
 109
 110                                                 rootfs@800000 {
 111                                                         label = "rootfs";
 112                                                         reg = <0x800000 0x0f800000>;
 113                                                 };
 114                                         };
 115                                 };
 116                         };
 117                 };
 118         };
 119
 120         leds {
 121                 compatible = "gpio-leds";
 122
 123                 pb18 {
 124                         label = "pb18";
 125                         gpios = <&pioB 18 GPIO_ACTIVE_LOW>;
 126                         linux,default-trigger = "heartbeat";
 127                 };
 128
 129                 pd21 {
 130                         label = "pd21";
 131                         gpios = <&pioD 21 GPIO_ACTIVE_HIGH>;
 132                 };
 133         };
 134
 135         1wire_cm {
 136                 compatible = "w1-gpio";
 137                 gpios = <&pioB 18 GPIO_ACTIVE_HIGH>;
 138                 linux,open-drain;
 139                 pinctrl-names = "default";
 140                 pinctrl-0 = <&pinctrl_1wire_cm>;
 141                 status = "okay";
 142         };
 143
 144 };