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                 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 };