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}; 149