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                         tcb0: timer@f8008000 {
  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                         usart0: serial@f801c000 {
  50                                 status = "okay";
  51                         };
  52
  53                         macb0: ethernet@f802c000 {
  54                                 phy-mode = "rmii";
  55                                 status = "okay";
  56                         };
  57
  58                         pwm0: pwm@f8034000 {
  59                                 pinctrl-names = "default";
  60                                 pinctrl-0 = <&pinctrl_pwm0_pwm0_1
  61                                              &pinctrl_pwm0_pwm1_1>;
  62                                 status = "okay";
  63                         };
  64
  65                         dbgu: serial@fffff200 {
  66                                 status = "okay";
  67                         };
  68
  69                         watchdog@fffffe40 {
  70                                 status = "okay";
  71                         };
  72                 };
  73
  74                 usb0: ohci@600000 {
  75                         num-ports = <1>;
  76                         status = "okay";
  77                 };
  78
  79                 usb1: ehci@700000 {
  80                         status = "okay";
  81                 };
  82
  83                 ebi: ebi@10000000 {
  84                         pinctrl-0 = <&pinctrl_ebi_addr_nand
  85                                      &pinctrl_ebi_data_0_7>;
  86                         pinctrl-names = "default";
  87                         status = "okay";
  88
  89                         nand_controller: nand-controller {
  90                                 status = "okay";
  91                                 pinctrl-0 = <&pinctrl_nand_oe_we
  92                                              &pinctrl_nand_cs
  93                                              &pinctrl_nand_rb>;
  94                                 pinctrl-names = "default";
  95
  96                                 nand@3 {
  97                                         reg = <0x3 0x0 0x800000>;
  98                                         rb-gpios = <&pioD 5 GPIO_ACTIVE_HIGH>;
  99                                         cs-gpios = <&pioD 4 GPIO_ACTIVE_HIGH>;
 100                                         nand-bus-width = <8>;
 101                                         nand-ecc-mode = "hw";
 102                                         nand-ecc-strength = <4>;
 103                                         nand-ecc-step-size = <512>;
 104                                         nand-on-flash-bbt;
 105                                         label = "atmel_nand";
 106
 107                                         partitions {
 108                                                 compatible = "fixed-partitions";
 109                                                 #address-cells = <1>;
 110                                                 #size-cells = <1>;
 111
 112                                                 bootstrap@0 {
 113                                                         label = "bootstrap";
 114                                                         reg = <0x0 0x20000>;
 115                                                 };
 116
 117                                                 ubi@20000 {
 118                                                         label = "ubi";
 119                                                         reg = <0x20000 0x7fe0000>;
 120                                                 };
 121                                         };
 122                                 };
 123                         };
 124                 };
 125
 126                 nand0: nand@40000000 {
 127                         nand-bus-width = <8>;
 128                         nand-ecc-mode = "hw";
 129                         atmel,has-pmecc;
 130                         atmel,pmecc-cap = <4>;
 131                         atmel,pmecc-sector-size = <512>;
 132                         nand-on-flash-bbt;
 133                         status = "okay";
 134
 135                 };
 136         };
 137
 138         gpio_keys {
 139                 compatible = "gpio-keys";
 140                 #address-cells = <1>;
 141                 #size-cells = <0>;
 142
 143                 prog {
 144                         label = "PB_PROG";
 145                         gpios = <&pioC 17 GPIO_ACTIVE_LOW>;
 146                         linux,code = <0x102>;
 147                         wakeup-source;
 148                 };
 149
 150                 reset {
 151                         label = "PB_RST";
 152                         gpios = <&pioC 16 GPIO_ACTIVE_LOW>;
 153                         linux,code = <0x100>;
 154                         wakeup-source;
 155                 };
 156         };
 157
 158         pwm_leds {
 159                 compatible = "pwm-leds";
 160
 161                 green {
 162                         label = "pwm:green:user";
 163                         pwms = <&pwm0 0 10000000 0>;
 164                         max-brightness = <255>;
 165                         linux,default-trigger = "default-on";
 166                 };
 167
 168                 red {
 169                         label = "pwm:red:user";
 170                         pwms = <&pwm0 1 10000000 0>;
 171                         max-brightness = <255>;
 172                         linux,default-trigger = "default-on";
 173                 };
 174         };
 175 };