arch/arm/boot/dts/intel-ixp43x-gateworks-gw2358.dts

   1 // SPDX-License-Identifier: ISC
   2 /*
   3  * Device Tree file for Gateworks IXP43x-based Cambria GW2358
   4  */
   5
   6 /dts-v1/;
   7
   8 #include "intel-ixp43x.dtsi"
   9
  10 / {
  11         model = "Gateworks Cambria GW2358";
  12         compatible = "gateworks,gw2358", "intel,ixp43x";
  13         #address-cells = <1>;
  14         #size-cells = <1>;
  15
  16         memory@0 {
  17                 /* 128 MB SDRAM */
  18                 device_type = "memory";
  19                 reg = <0x00000000 0x8000000>;
  20         };
  21
  22         chosen {
  23                 bootargs = "console=ttyS0,115200n8 root=/dev/mtdblock2 rw rootfstype=squashfs,jffs2 rootwait";
  24                 stdout-path = "uart0:115200n8";
  25         };
  26
  27         aliases {
  28                 serial0 = &uart0;
  29         };
  30
  31         leds {
  32                 compatible = "gpio-leds";
  33                 led-user {
  34                         label = "gw2358:green:LED";
  35                         gpios = <&pld1 0 GPIO_ACTIVE_LOW>;
  36                         default-state = "on";
  37                         linux,default-trigger = "heartbeat";
  38                 };
  39         };
  40
  41
  42         i2c {
  43                 compatible = "i2c-gpio";
  44                 sda-gpios = <&gpio0 7 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
  45                 scl-gpios = <&gpio0 6 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
  46                 #address-cells = <1>;
  47                 #size-cells = <0>;
  48
  49                 hwmon@28 {
  50                         compatible = "adi,ad7418";
  51                         reg = <0x28>;
  52                 };
  53                 rtc: ds1672@68 {
  54                         compatible = "dallas,ds1672";
  55                         reg = <0x68>;
  56                 };
  57                 eeprom@51 {
  58                         compatible = "atmel,24c08";
  59                         reg = <0x51>;
  60                         pagesize = <16>;
  61                         size = <1024>;
  62                         read-only;
  63                 };
  64                 pld0: pld@56 {
  65                         compatible = "gateworks,pld-gpio";
  66                         reg = <0x56>;
  67                         gpio-controller;
  68                         #gpio-cells = <2>;
  69                 };
  70                 /* This PLD just handles the LED and user button */
  71                 pld1: pld@57 {
  72                         compatible = "gateworks,pld-gpio";
  73                         reg = <0x57>;
  74                         gpio-controller;
  75                         #gpio-cells = <2>;
  76                 };
  77         };
  78
  79         flash@50000000 {
  80                 compatible = "intel,ixp4xx-flash", "cfi-flash";
  81                 bank-width = <2>;
  82                 /*
  83                  * 32 MB of Flash in 0x20000 byte blocks
  84                  * mapped in at 0x50000000
  85                  */
  86                 reg = <0x50000000 0x2000000>;
  87
  88                 partitions {
  89                         compatible = "redboot-fis";
  90                         /* Eraseblock at 0x1fe0000 */
  91                         fis-index-block = <0xff>;
  92                 };
  93         };
  94 };