arch/arm/boot/dts/at91-kizboxmini.dts

   1 /*
   2  * at91-kizboxmini.dts - Device Tree file for Overkiz Kizbox mini board
   3  *
   4  * Copyright (C) 2014 Gaël PORTAY <g.portay@overkiz.com>
   5  *
   6  * Licensed under GPLv2 or later.
   7  */
   8 /dts-v1/;
   9 #include "at91sam9g25.dtsi"
  10 #include <dt-bindings/pwm/pwm.h>
  11
  12 / {
  13         model = "Overkiz Kizbox mini";
  14         compatible = "overkiz,kizboxmini", "atmel,at91sam9g25", "atmel,at91sam9x5", "atmel,at91sam9";
  15
  16         chosen {
  17                 bootargs = "ubi.mtd=ubi";
  18                 stdout-path = &dbgu;
  19         };
  20
  21         memory {
  22                 reg = <0x20000000 0x8000000>;
  23         };
  24
  25         clocks {
  26                 slow_xtal {
  27                         clock-frequency = <32768>;
  28                 };
  29
  30                 main_xtal {
  31                         clock-frequency = <12000000>;
  32                 };
  33         };
  34
  35         ahb {
  36                 apb {
  37                         usart0: serial@f801c000 {
  38                                 status = "okay";
  39                         };
  40
  41                         macb0: ethernet@f802c000 {
  42                                 phy-mode = "rmii";
  43                                 status = "okay";
  44                         };
  45
  46                         pwm0: pwm@f8034000 {
  47                                 pinctrl-names = "default";
  48                                 pinctrl-0 = <&pinctrl_pwm0_pwm0_1
  49                                              &pinctrl_pwm0_pwm1_1>;
  50                                 status = "okay";
  51                         };
  52
  53                         dbgu: serial@fffff200 {
  54                                 status = "okay";
  55                         };
  56
  57                         watchdog@fffffe40 {
  58                                 status = "okay";
  59                         };
  60                 };
  61
  62                 usb0: ohci@600000 {
  63                         num-ports = <1>;
  64                         status = "okay";
  65                 };
  66
  67                 usb1: ehci@700000 {
  68                         status = "okay";
  69                 };
  70
  71                 ebi: ebi@10000000 {
  72                         pinctrl-0 = <&pinctrl_ebi_addr_nand
  73                                      &pinctrl_ebi_data_0_7>;
  74                         pinctrl-names = "default";
  75                         status = "okay";
  76
  77                         nand_controller: nand-controller {
  78                                 status = "okay";
  79                                 pinctrl-0 = <&pinctrl_nand_oe_we
  80                                              &pinctrl_nand_cs
  81                                              &pinctrl_nand_rb>;
  82                                 pinctrl-names = "default";
  83
  84                                 nand@3 {
  85                                         reg = <0x3 0x0 0x800000>;
  86                                         rb-gpios = <&pioD 5 GPIO_ACTIVE_HIGH>;
  87                                         cs-gpios = <&pioD 4 GPIO_ACTIVE_HIGH>;
  88                                         nand-bus-width = <8>;
  89                                         nand-ecc-mode = "hw";
  90                                         nand-ecc-strength = <4>;
  91                                         nand-ecc-step-size = <512>;
  92                                         nand-on-flash-bbt;
  93                                         label = "atmel_nand";
  94
  95                                         partitions {
  96                                                 compatible = "fixed-partitions";
  97                                                 #address-cells = <1>;
  98                                                 #size-cells = <1>;
  99
 100                                                 bootstrap@0 {
 101                                                         label = "bootstrap";
 102                                                         reg = <0x0 0x20000>;
 103                                                 };
 104
 105                                                 ubi@20000 {
 106                                                         label = "ubi";
 107                                                         reg = <0x20000 0x7fe0000>;
 108                                                 };
 109                                         };
 110                                 };
 111                         };
 112                 };
 113
 114                 nand0: nand@40000000 {
 115                         nand-bus-width = <8>;
 116                         nand-ecc-mode = "hw";
 117                         atmel,has-pmecc;
 118                         atmel,pmecc-cap = <4>;
 119                         atmel,pmecc-sector-size = <512>;
 120                         nand-on-flash-bbt;
 121                         status = "okay";
 122
 123                 };
 124         };
 125
 126         gpio_keys {
 127                 compatible = "gpio-keys";
 128                 #address-cells = <1>;
 129                 #size-cells = <0>;
 130
 131                 prog {
 132                         label = "PB_PROG";
 133                         gpios = <&pioC 17 GPIO_ACTIVE_LOW>;
 134                         linux,code = <0x102>;
 135                         wakeup-source;
 136                 };
 137
 138                 reset {
 139                         label = "PB_RST";
 140                         gpios = <&pioC 16 GPIO_ACTIVE_LOW>;
 141                         linux,code = <0x100>;
 142                         wakeup-source;
 143                 };
 144         };
 145
 146         pwm_leds {
 147                 compatible = "pwm-leds";
 148
 149                 green {
 150                         label = "pwm:green:user";
 151                         pwms = <&pwm0 0 10000000 0>;
 152                         max-brightness = <255>;
 153                         linux,default-trigger = "default-on";
 154                 };
 155
 156                 red {
 157                         label = "pwm:red:user";
 158                         pwms = <&pwm0 1 10000000 0>;
 159                         max-brightness = <255>;
 160                         linux,default-trigger = "default-on";
 161                 };
 162         };
 163 };