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@20000000 {
  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
  38 &adc0 {
  39         atmel,adc-ts-wires = <4>;
  40         atmel,adc-ts-pressure-threshold = <10000>;
  41         status = "okay";
  42 };
  43
  44 &dbgu {
  45         status = "okay";
  46 };
  47
  48 &ebi {
  49         pinctrl-0 = <&pinctrl_ebi_addr_nand
  50                      &pinctrl_ebi_data_0_7>;
  51         pinctrl-names = "default";
  52         status = "okay";
  53
  54         nand-controller {
  55                 pinctrl-0 = <&pinctrl_nand_oe_we
  56                              &pinctrl_nand_cs
  57                              &pinctrl_nand_rb>;
  58                 pinctrl-names = "default";
  59                 status = "okay";
  60
  61                 nand@3 {
  62                         reg = <0x3 0x0 0x800000>;
  63                         rb-gpios = <&pioD 5 GPIO_ACTIVE_HIGH>;
  64                         cs-gpios = <&pioD 4 GPIO_ACTIVE_HIGH>;
  65                         nand-bus-width = <8>;
  66                         nand-ecc-mode = "hw";
  67                         nand-ecc-strength = <4>;
  68                         nand-ecc-step-size = <512>;
  69                         nand-on-flash-bbt;
  70                         label = "atmel_nand";
  71
  72                         partitions {
  73                                 compatible = "fixed-partitions";
  74                                 #address-cells = <1>;
  75                                 #size-cells = <1>;
  76
  77                                 at91bootstrap@0 {
  78                                         label = "at91bootstrap";
  79                                         reg = <0x0 0x40000>;
  80                                 };
  81
  82                                 uboot@40000 {
  83                                         label = "u-boot";
  84                                         reg = <0x40000 0x80000>;
  85                                 };
  86
  87                                 ubootenv@c0000 {
  88                                         label = "U-Boot Env";
  89                                         reg = <0xc0000 0x140000>;
  90                                 };
  91
  92                                 kernel@200000 {
  93                                         label = "kernel";
  94                                         reg = <0x200000 0x600000>;
  95                                 };
  96
  97                                 rootfs@800000 {
  98                                         label = "rootfs";
  99                                         reg = <0x800000 0x0f800000>;
 100                                 };
 101                         };
 102                 };
 103         };
 104 };
 105
 106 &i2c0 {
 107         status = "okay";
 108 };
 109
 110 &mmc0 {
 111         pinctrl-0 = <
 112                 &pinctrl_board_mmc0
 113                 &pinctrl_mmc0_slot0_clk_cmd_dat0
 114                 &pinctrl_mmc0_slot0_dat1_3>;
 115         pinctrl-names = "default";
 116         status = "okay";
 117
 118         slot@0 {
 119                 reg = <0>;
 120                 bus-width = <4>;
 121                 cd-gpios = <&pioD 15 GPIO_ACTIVE_HIGH>;
 122         };
 123 };
 124
 125 &pinctrl {
 126         mmc0 {
 127                 pinctrl_board_mmc0: mmc0-board {
 128                         atmel,pins =
 129                                 <AT91_PIOD 15 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>;  /* PD15 gpio CD pin pull up and deglitch */
 130                 };
 131         };
 132 };
 133
 134 &tcb0 {
 135         timer@0 {
 136                 compatible = "atmel,tcb-timer";
 137                 reg = <0>;
 138         };
 139
 140         timer@1 {
 141                 compatible = "atmel,tcb-timer";
 142                 reg = <1>;
 143         };
 144 };
 145
 146 &usart0 {
 147         status = "okay";
 148 };
 149
 150 &watchdog {
 151         status = "okay";
 152 };