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}; 153