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

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * Copyright (C) 2015 Microchip Technology Inc.  All rights reserved.
   4  */
   5
   6 /dts-v1/;
   7
   8 #include <dt-bindings/gpio/gpio.h>
   9 #include <dt-bindings/interrupt-controller/irq.h>
  10
  11 #include "pic32mzda.dtsi"
  12
  13 / {
  14         compatible = "microchip,pic32mzda-sk", "microchip,pic32mzda";
  15         model = "Microchip PIC32MZDA Starter Kit";
  16
  17         memory {
  18                 device_type = "memory";
  19                 reg = <0x08000000 0x08000000>;
  20         };
  21
  22         chosen {
  23                 bootargs = "earlyprintk=ttyPIC1,115200n8r console=ttyPIC1,115200n8";
  24         };
  25
  26         leds0 {
  27                 compatible = "gpio-leds";
  28                 pinctrl-names = "default";
  29                 pinctrl-0 = <&user_leds_s0>;
  30
  31                 led@1 {
  32                         label = "pic32mzda_sk:red:led1";
  33                         gpios = <&gpio7 0 GPIO_ACTIVE_HIGH>;
  34                         linux,default-trigger = "heartbeat";
  35                 };
  36
  37                 led@2 {
  38                         label = "pic32mzda_sk:yellow:led2";
  39                         gpios = <&gpio7 1 GPIO_ACTIVE_HIGH>;
  40                         linux,default-trigger = "mmc0";
  41                 };
  42
  43                 led@3 {
  44                         label = "pic32mzda_sk:green:led3";
  45                         gpios = <&gpio7 2 GPIO_ACTIVE_HIGH>;
  46                         default-state = "on";
  47                 };
  48         };
  49
  50         keys0 {
  51                 compatible = "gpio-keys";
  52                 pinctrl-0 = <&user_buttons_s0>;
  53                 pinctrl-names = "default";
  54
  55                 #address-cells = <1>;
  56                 #size-cells = <0>;
  57
  58                 button@sw1 {
  59                         label = "ESC";
  60                         linux,code = <1>;
  61                         gpios = <&gpio1 12 0>;
  62                 };
  63
  64                 button@sw2 {
  65                         label = "Home";
  66                         linux,code = <102>;
  67                         gpios = <&gpio1 13 0>;
  68                 };
  69
  70                 button@sw3 {
  71                         label = "Menu";
  72                         linux,code = <139>;
  73                         gpios = <&gpio1 14 0>;
  74                 };
  75         };
  76 };
  77
  78 &uart2 {
  79         pinctrl-names = "default";
  80         pinctrl-0 = <&pinctrl_uart2>;
  81         status = "okay";
  82 };
  83
  84 &uart4 {
  85         pinctrl-names = "default";
  86         pinctrl-0 = <&pinctrl_uart4>;
  87         status = "okay";
  88 };
  89
  90 &sdhci {
  91         pinctrl-names = "default";
  92         pinctrl-0 = <&pinctrl_sdhc1>;
  93         status = "okay";
  94         assigned-clocks = <&rootclk REF2CLK>, <&rootclk REF4CLK>,
  95                 <&rootclk REF5CLK>;
  96         assigned-clock-rates = <50000000>, <25000000>, <40000000>;
  97 };
  98
  99 &pic32_pinctrl {
 100
 101         pinctrl_sdhc1: sdhc1_pins0 {
 102                 pins = "A6", "D4", "G13", "G12", "G14", "A7", "A0";
 103                 microchip,digital;
 104         };
 105
 106         user_leds_s0: user_leds_s0 {
 107                 pins = "H0", "H1", "H2";
 108                 output-low;
 109                 microchip,digital;
 110         };
 111
 112         user_buttons_s0: user_buttons_s0 {
 113                 pins = "B12", "B13", "B14";
 114                 microchip,digital;
 115                 input-enable;
 116                 bias-pull-up;
 117         };
 118
 119         pinctrl_uart2: pinctrl_uart2 {
 120                 uart2-tx {
 121                         pins = "G9";
 122                         function = "U2TX";
 123                         microchip,digital;
 124                         output-high;
 125                 };
 126                 uart2-rx {
 127                         pins = "B0";
 128                         function = "U2RX";
 129                         microchip,digital;
 130                         input-enable;
 131                 };
 132         };
 133
 134         pinctrl_uart4: uart4-0 {
 135                 uart4-tx {
 136                         pins = "C3";
 137                         function = "U4TX";
 138                         microchip,digital;
 139                         output-high;
 140                 };
 141                 uart4-rx {
 142                         pins = "E8";
 143                         function = "U4RX";
 144                         microchip,digital;
 145                         input-enable;
 146                 };
 147         };
 148 };