arch/mips/boot/dts/pic32/pic32mzda_sk.dts

   1 /*
   2  * Copyright (C) 2015 Microchip Technology Inc.  All rights reserved.
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License version 2 as
   6  * published by the Free Software Foundation.
   7  *
   8  */
   9
  10 /dts-v1/;
  11
  12 #include <dt-bindings/gpio/gpio.h>
  13 #include <dt-bindings/interrupt-controller/irq.h>
  14
  15 #include "pic32mzda.dtsi"
  16
  17 / {
  18         compatible = "microchip,pic32mzda-sk", "microchip,pic32mzda";
  19         model = "Microchip PIC32MZDA Starter Kit";
  20
  21         memory {
  22                 device_type = "memory";
  23                 reg = <0x08000000 0x08000000>;
  24         };
  25
  26         chosen {
  27                 bootargs = "earlyprintk=ttyPIC1,115200n8r console=ttyPIC1,115200n8";
  28         };
  29
  30         leds0 {
  31                 compatible = "gpio-leds";
  32                 pinctrl-names = "default";
  33                 pinctrl-0 = <&user_leds_s0>;
  34
  35                 led@1 {
  36                         label = "pic32mzda_sk:red:led1";
  37                         gpios = <&gpio7 0 GPIO_ACTIVE_HIGH>;
  38                         linux,default-trigger = "heartbeat";
  39                 };
  40
  41                 led@2 {
  42                         label = "pic32mzda_sk:yellow:led2";
  43                         gpios = <&gpio7 1 GPIO_ACTIVE_HIGH>;
  44                         linux,default-trigger = "mmc0";
  45                 };
  46
  47                 led@3 {
  48                         label = "pic32mzda_sk:green:led3";
  49                         gpios = <&gpio7 2 GPIO_ACTIVE_HIGH>;
  50                         default-state = "on";
  51                 };
  52         };
  53
  54         keys0 {
  55                 compatible = "gpio-keys";
  56                 pinctrl-0 = <&user_buttons_s0>;
  57                 pinctrl-names = "default";
  58
  59                 #address-cells = <1>;
  60                 #size-cells = <0>;
  61
  62                 button@sw1 {
  63                         label = "ESC";
  64                         linux,code = <1>;
  65                         gpios = <&gpio1 12 0>;
  66                 };
  67
  68                 button@sw2 {
  69                         label = "Home";
  70                         linux,code = <102>;
  71                         gpios = <&gpio1 13 0>;
  72                 };
  73
  74                 button@sw3 {
  75                         label = "Menu";
  76                         linux,code = <139>;
  77                         gpios = <&gpio1 14 0>;
  78                 };
  79         };
  80 };
  81
  82 &uart2 {
  83         pinctrl-names = "default";
  84         pinctrl-0 = <&pinctrl_uart2>;
  85         status = "okay";
  86 };
  87
  88 &uart4 {
  89         pinctrl-names = "default";
  90         pinctrl-0 = <&pinctrl_uart4>;
  91         status = "okay";
  92 };
  93
  94 &sdhci {
  95         pinctrl-names = "default";
  96         pinctrl-0 = <&pinctrl_sdhc1>;
  97         status = "okay";
  98         assigned-clocks = <&REFCLKO2>,<&REFCLKO4>,<&REFCLKO5>;
  99         assigned-clock-rates = <50000000>,<25000000>,<40000000>;
 100 };
 101
 102 &pic32_pinctrl {
 103
 104         pinctrl_sdhc1: sdhc1_pins0 {
 105                 pins = "A6", "D4", "G13", "G12", "G14", "A7", "A0";
 106                 microchip,digital;
 107         };
 108
 109         user_leds_s0: user_leds_s0 {
 110                 pins = "H0", "H1", "H2";
 111                 output-low;
 112                 microchip,digital;
 113         };
 114
 115         user_buttons_s0: user_buttons_s0 {
 116                 pins = "B12", "B13", "B14";
 117                 microchip,digital;
 118                 input-enable;
 119                 bias-pull-up;
 120         };
 121
 122         pinctrl_uart2: pinctrl_uart2 {
 123                 uart2-tx {
 124                         pins = "G9";
 125                         function = "U2TX";
 126                         microchip,digital;
 127                         output-high;
 128                 };
 129                 uart2-rx {
 130                         pins = "B0";
 131                         function = "U2RX";
 132                         microchip,digital;
 133                         input-enable;
 134                 };
 135         };
 136
 137         pinctrl_uart4: uart4-0 {
 138                 uart4-tx {
 139                         pins = "C3";
 140                         function = "U4TX";
 141                         microchip,digital;
 142                         output-high;
 143                 };
 144                 uart4-rx {
 145                         pins = "E8";
 146                         function = "U4RX";
 147                         microchip,digital;
 148                         input-enable;
 149                 };
 150         };
 151 };