arch/arm/boot/dts/at91-cosino.dtsi

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  * at91-cosino.dtsi - Device Tree file for Cosino core module
   4  *
   5  * Copyright (C) 2013 - Rodolfo Giometti <giometti@linux.it>
   6  *                      HCE Engineering
   7  *
   8  * Derived from at91sam9x5ek.dtsi by:
   9  *      Copyright (C) 2012 Atmel,
  10  *      2012 Nicolas Ferre <nicolas.ferre@atmel.com>
  11  */
  12
  13 #include "at91sam9g35.dtsi"
  14
  15 / {
  16         model = "HCE Cosino core module";
  17         compatible = "hce,cosino", "atmel,at91sam9x5", "atmel,at91sam9";
  18
  19         chosen {
  20                 bootargs = "console=ttyS0,115200 root=/dev/mmcblk0p2 rw rootfstype=ext3 rootwait";
  21         };
  22
  23         memory {
  24                 reg = <0x20000000 0x8000000>;
  25         };
  26
  27         clocks {
  28                 slow_xtal {
  29                         clock-frequency = <32768>;
  30                 };
  31
  32                 main_xtal {
  33                         clock-frequency = <12000000>;
  34                 };
  35         };
  36
  37         ahb {
  38                 apb {
  39                         tcb0: timer@f8008000 {
  40                                 timer@0 {
  41                                         compatible = "atmel,tcb-timer";
  42                                         reg = <0>;
  43                                 };
  44
  45                                 timer@1 {
  46                                         compatible = "atmel,tcb-timer";
  47                                         reg = <1>;
  48                                 };
  49                         };
  50
  51                         mmc0: mmc@f0008000 {
  52                                 pinctrl-0 = <
  53                                         &pinctrl_board_mmc0
  54                                         &pinctrl_mmc0_slot0_clk_cmd_dat0
  55                                         &pinctrl_mmc0_slot0_dat1_3>;
  56                                 status = "okay";
  57                                 slot@0 {
  58                                         reg = <0>;
  59                                         bus-width = <4>;
  60                                         cd-gpios = <&pioD 15 GPIO_ACTIVE_HIGH>;
  61                                 };
  62                         };
  63
  64                         dbgu: serial@fffff200 {
  65                                 status = "okay";
  66                         };
  67
  68                         usart0: serial@f801c000 {
  69                                 status = "okay";
  70                         };
  71
  72                         i2c0: i2c@f8010000 {
  73                                 status = "okay";
  74                         };
  75
  76                         adc0: adc@f804c000 {
  77                                 atmel,adc-ts-wires = <4>;
  78                                 atmel,adc-ts-pressure-threshold = <10000>;
  79                                 status = "okay";
  80                         };
  81
  82                         pinctrl@fffff400 {
  83                                 mmc0 {
  84                                         pinctrl_board_mmc0: mmc0-board {
  85                                                 atmel,pins =
  86                                                         <AT91_PIOD 15 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>;  /* PD15 gpio CD pin pull up and deglitch */
  87                                         };
  88                                 };
  89                         };
  90
  91                         watchdog@fffffe40 {
  92                                 status = "okay";
  93                         };
  94                 };
  95
  96                 ebi: ebi@10000000 {
  97                         pinctrl-0 = <&pinctrl_ebi_addr_nand
  98                                      &pinctrl_ebi_data_0_7>;
  99                         pinctrl-names = "default";
 100                         status = "okay";
 101
 102                         nand_controller: nand-controller {
 103                                 status = "okay";
 104                                 pinctrl-0 = <&pinctrl_nand_oe_we
 105                                              &pinctrl_nand_cs
 106                                              &pinctrl_nand_rb>;
 107                                 pinctrl-names = "default";
 108
 109                                 nand@3 {
 110                                         reg = <0x3 0x0 0x800000>;
 111                                         rb-gpios = <&pioD 5 GPIO_ACTIVE_HIGH>;
 112                                         cs-gpios = <&pioD 4 GPIO_ACTIVE_HIGH>;
 113                                         nand-bus-width = <8>;
 114                                         nand-ecc-mode = "hw";
 115                                         nand-ecc-strength = <4>;
 116                                         nand-ecc-step-size = <512>;
 117                                         nand-on-flash-bbt;
 118                                         label = "atmel_nand";
 119
 120                                         partitions {
 121                                                 compatible = "fixed-partitions";
 122                                                 #address-cells = <1>;
 123                                                 #size-cells = <1>;
 124
 125                                                 at91bootstrap@0 {
 126                                                         label = "at91bootstrap";
 127                                                         reg = <0x0 0x40000>;
 128                                                 };
 129
 130                                                 uboot@40000 {
 131                                                         label = "u-boot";
 132                                                         reg = <0x40000 0x80000>;
 133                                                 };
 134
 135                                                 ubootenv@c0000 {
 136                                                         label = "U-Boot Env";
 137                                                         reg = <0xc0000 0x140000>;
 138                                                 };
 139
 140                                                 kernel@200000 {
 141                                                         label = "kernel";
 142                                                         reg = <0x200000 0x600000>;
 143                                                 };
 144
 145                                                 rootfs@800000 {
 146                                                         label = "rootfs";
 147                                                         reg = <0x800000 0x0f800000>;
 148                                                 };
 149                                         };
 150                                 };
 151                         };
 152                 };
 153         };
 154 };