arch/arm/boot/dts/lpc4357-ea4357-devkit.dts

   1 /*
   2  * Embedded Artist LPC4357 Developer's Kit
   3  *
   4  * Copyright 2015 Joachim Eastwood <manabian@gmail.com>
   5  *
   6  * This code is released using a dual license strategy: BSD/GPL
   7  * You can choose the licence that better fits your requirements.
   8  *
   9  * Released under the terms of 3-clause BSD License
  10  * Released under the terms of GNU General Public License Version 2.0
  11  *
  12  */
  13 /dts-v1/;
  14
  15 #include "lpc18xx.dtsi"
  16 #include "lpc4357.dtsi"
  17
  18 #include "dt-bindings/input/input.h"
  19 #include "dt-bindings/gpio/gpio.h"
  20
  21 / {
  22         model = "Embedded Artists' LPC4357 Developer's Kit";
  23         compatible = "ea,lpc4357-developers-kit", "nxp,lpc4357", "nxp,lpc4350";
  24
  25         aliases {
  26                 serial0 = &uart0;
  27                 serial1 = &uart1;
  28                 serial2 = &uart2;
  29                 serial3 = &uart3;
  30         };
  31
  32         chosen {
  33                 stdout-path = &uart0;
  34         };
  35
  36         memory {
  37                 device_type = "memory";
  38                 reg = <0x28000000 0x2000000>; /* 32 MB */
  39         };
  40
  41         /* vmmc is controlled by sdmmc host internally */
  42         vmmc: vmmc_fixed {
  43                 compatible = "regulator-fixed";
  44                 regulator-name = "vmmc-supply";
  45                 regulator-min-microvolt = <3300000>;
  46                 regulator-max-microvolt = <3300000>;
  47         };
  48
  49         gpio_joystick {
  50                 compatible = "gpio-keys-polled";
  51                 pinctrl-names = "default";
  52                 pinctrl-0 = <&gpio_joystick_pins>;
  53                 #address-cells = <1>;
  54                 #size-cells = <0>;
  55                 poll-interval = <100>;
  56                 autorepeat;
  57
  58                 button@0 {
  59                         label = "joy_enter";
  60                         linux,code = <KEY_ENTER>;
  61                         gpios = <&gpio LPC_GPIO(4,8) GPIO_ACTIVE_LOW>;
  62                 };
  63
  64                 button@1 {
  65                         label = "joy_left";
  66                         linux,code = <KEY_LEFT>;
  67                         gpios = <&gpio LPC_GPIO(4,9) GPIO_ACTIVE_LOW>;
  68                 };
  69
  70                 button@2 {
  71                         label = "joy_up";
  72                         linux,code = <KEY_UP>;
  73                         gpios = <&gpio LPC_GPIO(4,10) GPIO_ACTIVE_LOW>;
  74                 };
  75
  76                 button@3 {
  77                         label = "joy_right";
  78                         linux,code = <KEY_RIGHT>;
  79                         gpios = <&gpio LPC_GPIO(4,12) GPIO_ACTIVE_LOW>;
  80                 };
  81
  82                 button@4 {
  83                         label = "joy_down";
  84                         linux,code = <KEY_DOWN>;
  85                         gpios = <&gpio LPC_GPIO(4,13) GPIO_ACTIVE_LOW>;
  86                 };
  87         };
  88 };
  89
  90 &pinctrl {
  91         enet_rmii_pins: enet-rmii-pins {
  92                 enet_rmii_rxd_cfg {
  93                         pins = "p1_15", "p0_0";
  94                         function = "enet";
  95                         slew-rate = <1>;
  96                         bias-disable;
  97                         input-enable;
  98                         input-schmitt-disable;
  99                 };
 100
 101                 enet_rmii_txd_cfg {
 102                         pins = "p1_18", "p1_20";
 103                         function = "enet";
 104                         slew-rate = <1>;
 105                         bias-disable;
 106                         input-enable;
 107                         input-schmitt-disable;
 108                 };
 109
 110                 enet_rmii_rx_dv_cfg {
 111                         pins = "p1_16";
 112                         function = "enet";
 113                         bias-disable;
 114                         input-enable;
 115                         input-schmitt-disable;
 116                 };
 117
 118                 enet_rmii_tx_en_cfg {
 119                         pins = "p0_1";
 120                         function = "enet";
 121                         bias-disable;
 122                         input-enable;
 123                         input-schmitt-disable;
 124                 };
 125
 126                 enet_ref_clk_cfg {
 127                         pins = "p1_19";
 128                         function = "enet";
 129                         slew-rate = <1>;
 130                         bias-disable;
 131                         input-enable;
 132                         input-schmitt-disable;
 133                 };
 134
 135                 enet_mdio_cfg {
 136                         pins = "p1_17";
 137                         function = "enet";
 138                         bias-disable;
 139                         input-enable;
 140                         input-schmitt-disable;
 141                 };
 142
 143                 enet_mdc_cfg {
 144                         pins = "pc_1";
 145                         function = "enet";
 146                         slew-rate = <1>;
 147                         bias-disable;
 148                         input-enable;
 149                         input-schmitt-disable;
 150                 };
 151         };
 152
 153         gpio_joystick_pins: gpio-joystick-pins {
 154                 gpio_joystick_cfg {
 155                         pins =  "p9_0", "p9_1", "pa_1", "pa_2", "pa_3";
 156                         function = "gpio";
 157                         input-enable;
 158                         bias-disable;
 159                 };
 160         };
 161
 162         sdmmc_pins: sdmmc-pins {
 163                 sdmmc_clk_cfg {
 164                         pins = "pc_0";
 165                         function = "sdmmc";
 166                         slew-rate = <1>;
 167                         bias-pull-down;
 168                 };
 169
 170                 sdmmc_cmd_dat0_3_cfg {
 171                         pins = "pc_4", "pc_5", "pc_6", "pc_7", "pc_10";
 172                         function = "sdmmc";
 173                         slew-rate = <1>;
 174                         bias-disable;
 175                         input-enable;
 176                         input-schmitt-disable;
 177                 };
 178
 179                 sdmmc_cd_cfg {
 180                         pins = "pc_8";
 181                         function = "sdmmc";
 182                         bias-pull-down;
 183                         input-enable;
 184                 };
 185
 186                 sdmmc_pow_cfg {
 187                         pins = "pc_9";
 188                         function = "sdmmc";
 189                         bias-pull-down;
 190                 };
 191         };
 192
 193         uart0_pins: uart0-pins {
 194                 uart0_rx_cfg {
 195                         pins = "pf_11";
 196                         function = "uart0";
 197                         input-schmitt-disable;
 198                         bias-disable;
 199                         input-enable;
 200                 };
 201
 202                 uart0_tx_cfg {
 203                         pins = "pf_10";
 204                         function = "uart0";
 205                         bias-pull-down;
 206                 };
 207         };
 208
 209         uart3_pins: uart3-pins {
 210                 uart3_rx_cfg {
 211                         pins = "p2_4";
 212                         function = "uart3";
 213                         input-schmitt-disable;
 214                         bias-disable;
 215                         input-enable;
 216                 };
 217
 218                 uart3_tx_cfg {
 219                         pins = "p9_3";
 220                         function = "uart3";
 221                         bias-pull-down;
 222                 };
 223         };
 224 };
 225
 226 &enet_tx_clk {
 227         clock-frequency = <50000000>;
 228 };
 229
 230 &mac {
 231         status = "okay";
 232         phy-mode = "rmii";
 233         pinctrl-names = "default";
 234         pinctrl-0 = <&enet_rmii_pins>;
 235 };
 236
 237 &mmcsd {
 238         status = "okay";
 239         bus-width = <4>;
 240         vmmc-supply = <&vmmc>;
 241         pinctrl-names = "default";
 242         pinctrl-0 = <&sdmmc_pins>;
 243 };
 244
 245 &uart0 {
 246         status = "okay";
 247         pinctrl-names = "default";
 248         pinctrl-0 = <&uart0_pins>;
 249 };
 250
 251 &uart3 {
 252         status = "okay";
 253         pinctrl-names = "default";
 254         pinctrl-0 = <&uart3_pins>;
 255 };