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 button-1 { 56 label = "ESC"; 57 linux,code = <1>; 58 gpios = <&gpio1 12 0>; 59 }; 60 61 button-2 { 62 label = "Home"; 63 linux,code = <102>; 64 gpios = <&gpio1 13 0>; 65 }; 66 67 button-3 { 68 label = "Menu"; 69 linux,code = <139>; 70 gpios = <&gpio1 14 0>; 71 }; 72 }; 73}; 74 75&uart2 { 76 pinctrl-names = "default"; 77 pinctrl-0 = <&pinctrl_uart2>; 78 status = "okay"; 79}; 80 81&uart4 { 82 pinctrl-names = "default"; 83 pinctrl-0 = <&pinctrl_uart4>; 84 status = "okay"; 85}; 86 87&sdhci { 88 pinctrl-names = "default"; 89 pinctrl-0 = <&pinctrl_sdhc1>; 90 status = "okay"; 91 assigned-clocks = <&rootclk REF2CLK>, <&rootclk REF4CLK>, 92 <&rootclk REF5CLK>; 93 assigned-clock-rates = <50000000>, <25000000>, <40000000>; 94}; 95 96&pic32_pinctrl { 97 98 pinctrl_sdhc1: sdhc1_pins0 { 99 pins = "A6", "D4", "G13", "G12", "G14", "A7", "A0"; 100 microchip,digital; 101 }; 102 103 user_leds_s0: user_leds_s0 { 104 pins = "H0", "H1", "H2"; 105 output-low; 106 microchip,digital; 107 }; 108 109 user_buttons_s0: user_buttons_s0 { 110 pins = "B12", "B13", "B14"; 111 microchip,digital; 112 input-enable; 113 bias-pull-up; 114 }; 115 116 pinctrl_uart2: pinctrl_uart2 { 117 uart2-tx { 118 pins = "G9"; 119 function = "U2TX"; 120 microchip,digital; 121 output-high; 122 }; 123 uart2-rx { 124 pins = "B0"; 125 function = "U2RX"; 126 microchip,digital; 127 input-enable; 128 }; 129 }; 130 131 pinctrl_uart4: uart4-0 { 132 uart4-tx { 133 pins = "C3"; 134 function = "U4TX"; 135 microchip,digital; 136 output-high; 137 }; 138 uart4-rx { 139 pins = "E8"; 140 function = "U4RX"; 141 microchip,digital; 142 input-enable; 143 }; 144 }; 145}; 146