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 = <&rootclk REF2CLK>, <&rootclk REF4CLK>,
  99                 <&rootclk REF5CLK>;
 100         assigned-clock-rates = <50000000>, <25000000>, <40000000>;
 101 };
 102
 103 &pic32_pinctrl {
 104
 105         pinctrl_sdhc1: sdhc1_pins0 {
 106                 pins = "A6", "D4", "G13", "G12", "G14", "A7", "A0";
 107                 microchip,digital;
 108         };
 109
 110         user_leds_s0: user_leds_s0 {
 111                 pins = "H0", "H1", "H2";
 112                 output-low;
 113                 microchip,digital;
 114         };
 115
 116         user_buttons_s0: user_buttons_s0 {
 117                 pins = "B12", "B13", "B14";
 118                 microchip,digital;
 119                 input-enable;
 120                 bias-pull-up;
 121         };
 122
 123         pinctrl_uart2: pinctrl_uart2 {
 124                 uart2-tx {
 125                         pins = "G9";
 126                         function = "U2TX";
 127                         microchip,digital;
 128                         output-high;
 129                 };
 130                 uart2-rx {
 131                         pins = "B0";
 132                         function = "U2RX";
 133                         microchip,digital;
 134                         input-enable;
 135                 };
 136         };
 137
 138         pinctrl_uart4: uart4-0 {
 139                 uart4-tx {
 140                         pins = "C3";
 141                         function = "U4TX";
 142                         microchip,digital;
 143                         output-high;
 144                 };
 145                 uart4-rx {
 146                         pins = "E8";
 147                         function = "U4RX";
 148                         microchip,digital;
 149                         input-enable;
 150                 };
 151         };
 152 };