The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/src/arm64/actions/s900-bubblegum-96.dts

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    1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
    2 /*
    3  * Copyright (c) 2017 Andreas Färber
    4  */
    5 
    6 /dts-v1/;
    7 
    8 #include "s900.dtsi"
    9 
   10 / {
   11         compatible = "ucrobotics,bubblegum-96", "actions,s900";
   12         model = "Bubblegum-96";
   13 
   14         aliases {
   15                 mmc0 = &mmc0;
   16                 mmc1 = &mmc1;
   17                 mmc2 = &mmc2;
   18                 serial5 = &uart5;
   19         };
   20 
   21         chosen {
   22                 stdout-path = "serial5:115200n8";
   23         };
   24 
   25         memory@0 {
   26                 device_type = "memory";
   27                 reg = <0x0 0x0 0x0 0x80000000>;
   28         };
   29 
   30         /* Fixed regulator used in the absence of PMIC */
   31         vcc_3v1: vcc-3v1 {
   32                 compatible = "regulator-fixed";
   33                 regulator-name = "fixed-3.1V";
   34                 regulator-min-microvolt = <3100000>;
   35                 regulator-max-microvolt = <3100000>;
   36                 regulator-always-on;
   37         };
   38 
   39         /* Fixed regulator used in the absence of PMIC */
   40         sd_vcc: sd-vcc {
   41                 compatible = "regulator-fixed";
   42                 regulator-name = "fixed-3.1V";
   43                 regulator-min-microvolt = <3100000>;
   44                 regulator-max-microvolt = <3100000>;
   45                 regulator-always-on;
   46         };
   47 };
   48 
   49 &i2c0 {
   50         status = "disabled";
   51         pinctrl-names = "default";
   52         pinctrl-0 = <&i2c0_default>;
   53 };
   54 
   55 &i2c1 {
   56         status = "okay";
   57         pinctrl-names = "default";
   58         pinctrl-0 = <&i2c1_default>;
   59 };
   60 
   61 &i2c2 {
   62         status = "okay";
   63         pinctrl-names = "default";
   64         pinctrl-0 = <&i2c2_default>;
   65 };
   66 
   67 /*
   68  * GPIO name legend: proper name = the GPIO line is used as GPIO
   69  *         NC = not connected (pin out but not routed from the chip to
   70  *              anything the board)
   71  *         "[PER]" = pin is muxed for [peripheral] (not GPIO)
   72  *         LSEC = Low Speed External Connector
   73  *         HSEC = High Speed External Connector
   74  *
   75  * Line names are taken from the schematic "Schematics Bubblegum96"
   76  * version v1.0
   77  *
   78  * For the lines routed to the external connectors the
   79  * lines are named after the 96Boards CE Specification 1.0,
   80  * Appendix "Expansion Connector Signal Description".
   81  *
   82  * When the 96Boards naming of a line and the schematic name of
   83  * the same line are in conflict, the 96Boards specification
   84  * takes precedence, which means that the external UART on the
   85  * LSEC is named UART0 while the schematic and SoC names this
   86  * UART2. Only exception is the I2C lines for which the schematic
   87  * naming has been preferred. This is only for the informational
   88  * lines i.e. "[FOO]", the GPIO named lines "GPIO-A" thru "GPIO-L"
   89  * are the only ones actually used for GPIO.
   90  */
   91 
   92 &pinctrl {
   93         gpio-line-names =
   94                 "GPIO-A", /* GPIO_0, LSEC pin 23 */
   95                 "GPIO-B", /* GPIO_1, LSEC pin 24 */
   96                 "GPIO-C", /* GPIO_2, LSEC pin 25 */
   97                 "GPIO-D", /* GPIO_3, LSEC pin 26 */
   98                 "GPIO-E", /* GPIO_4, LSEC pin 27 */
   99                 "GPIO-F", /* GPIO_5, LSEC pin 28 */
  100                 "GPIO-G", /* GPIO_6, LSEC pin 29 */
  101                 "GPIO-H", /* GPIO_7, LSEC pin 30 */
  102                 "GPIO-I", /* GPIO_8, LSEC pin 31 */
  103                 "GPIO-J", /* GPIO_9, LSEC pin 32 */
  104                 "NC", /* GPIO_10 */
  105                 "NC", /* GPIO_11 */
  106                 "SIRQ2_1V8", /* GPIO_12 */
  107                 "PCM0_OUT", /* GPIO_13 */
  108                 "WIFI_LED", /* GPIO_14 */
  109                 "PCM0_SYNC", /* GPIO_15 */
  110                 "PCM0_CLK", /* GPIO_16 */
  111                 "PCM0_IN", /* GPIO_17 */
  112                 "BT_LED", /* GPIO_18 */
  113                 "LED0", /* GPIO_19 */
  114                 "LED1", /* GPIO_20 */
  115                 "JTAG_TCK", /* GPIO_21 */
  116                 "JTAG_TMS", /* GPIO_22 */
  117                 "JTAG_TDI", /* GPIO_23 */
  118                 "JTAG_TDO", /* GPIO_24 */
  119                 "[UART1_RxD]", /* GPIO_25, LSEC pin 13 */
  120                 "NC", /* GPIO_26 */
  121                 "[UART1_TxD]", /* GPIO_27, LSEC pin 11 */
  122                 "SD0_D0", /* GPIO_28 */
  123                 "SD0_D1", /* GPIO_29 */
  124                 "SD0_D2", /* GPIO_30 */
  125                 "SD0_D3", /* GPIO_31 */
  126                 "SD1_D0", /* GPIO_32 */
  127                 "SD1_D1", /* GPIO_33 */
  128                 "SD1_D2", /* GPIO_34 */
  129                 "SD1_D3", /* GPIO_35 */
  130                 "SD0_CMD", /* GPIO_36 */
  131                 "SD0_CLK", /* GPIO_37 */
  132                 "SD1_CMD", /* GPIO_38 */
  133                 "SD1_CLK", /* GPIO_39 */
  134                 "SPI0_SCLK", /* GPIO_40, LSEC pin 8 */
  135                 "SPI0_CS", /* GPIO_41, LSEC pin 12 */
  136                 "SPI0_DIN", /* GPIO_42, LSEC pin 10 */
  137                 "SPI0_DOUT", /* GPIO_43, LSEC pin 14 */
  138                 "I2C5_SDATA", /* GPIO_44, HSEC pin 36 */
  139                 "I2C5_SCLK", /* GPIO_45, HSEC pin 38 */
  140                 "UART0_RX", /* GPIO_46, LSEC pin 7 */
  141                 "UART0_TX", /* GPIO_47, LSEC pin 5 */
  142                 "UART0_RTSB", /* GPIO_48, LSEC pin 9 */
  143                 "UART0_CTSB", /* GPIO_49, LSEC pin 3 */
  144                 "I2C4_SCLK", /* GPIO_50, HSEC pin 32 */
  145                 "I2C4_SDATA", /* GPIO_51, HSEC pin 34 */
  146                 "I2C0_SCLK", /* GPIO_52 */
  147                 "I2C0_SDATA", /* GPIO_53 */
  148                 "I2C1_SCLK", /* GPIO_54, LSEC pin 15 */
  149                 "I2C1_SDATA", /* GPIO_55, LSEC pin 17 */
  150                 "I2C2_SCLK", /* GPIO_56, LSEC pin 19 */
  151                 "I2C2_SDATA", /* GPIO_57, LSEC pin 21 */
  152                 "CSI0_DN0", /* GPIO_58, HSEC pin 10 */
  153                 "CSI0_DP0", /* GPIO_59, HSEC pin 8 */
  154                 "CSI0_DN1", /* GPIO_60, HSEC pin 16 */
  155                 "CSI0_DP1", /* GPIO_61, HSEC pin 14 */
  156                 "CSI0_CN", /* GPIO_62, HSEC pin 4 */
  157                 "CSI0_CP", /* GPIO_63, HSEC pin 2 */
  158                 "CSI0_DN2", /* GPIO_64, HSEC pin 22 */
  159                 "CSI0_DP2", /* GPIO_65, HSEC pin 20 */
  160                 "CSI0_DN3", /* GPIO_66, HSEC pin 28 */
  161                 "CSI0_DP3", /* GPIO_67, HSEC pin 26 */
  162                 "[CLK0]", /* GPIO_68, HSEC pin 15 */
  163                 "CSI1_DN0", /* GPIO_69, HSEC pin 44 */
  164                 "CSI1_DP0", /* GPIO_70, HSEC pin 42 */
  165                 "CSI1_DN1", /* GPIO_71, HSEC pin 50 */
  166                 "CSI1_DP1", /* GPIO_72, HSEC pin 48 */
  167                 "CSI1_CN", /* GPIO_73, HSEC pin 56 */
  168                 "CSI1_CP", /* GPIO_74, HSEC pin 54 */
  169                 "[CLK1]", /* GPIO_75, HSEC pin 17 */
  170                 "[GPIOD0]", /* GPIO_76 */
  171                 "[GPIOD1]", /* GPIO_77 */
  172                 "BT_RST_N", /* GPIO_78 */
  173                 "EXT_DC_EN", /* GPIO_79 */
  174                 "[PCM_DI]", /* GPIO_80, LSEC pin 22 */
  175                 "[PCM_DO]", /* GPIO_81, LSEC pin 20 */
  176                 "[PCM_CLK]", /* GPIO_82, LSEC pin 18 */
  177                 "[PCM_FS]", /* GPIO_83, LSEC pin 16 */
  178                 "WAKE_BT", /* GPIO_84 */
  179                 "WL_REG_ON", /* GPIO_85 */
  180                 "NC", /* GPIO_86 */
  181                 "NC", /* GPIO_87 */
  182                 "NC", /* GPIO_88 */
  183                 "NC", /* GPIO_89 */
  184                 "NC", /* GPIO_90 */
  185                 "WIFI_WAKE", /* GPIO_91 */
  186                 "BT_WAKE", /* GPIO_92 */
  187                 "NC", /* GPIO_93 */
  188                 "OTG_EN2", /* GPIO_94 */
  189                 "OTG_EN", /* GPIO_95 */
  190                 "DSI_DP3", /* GPIO_96, HSEC pin 45 */
  191                 "DSI_DN3", /* GPIO_97, HSEC pin 47 */
  192                 "DSI_DP1", /* GPIO_98, HSEC pin 33 */
  193                 "DSI_DN1", /* GPIO_99, HSEC pin 35 */
  194                 "DSI_CP", /* GPIO_100, HSEC pin 21 */
  195                 "DSI_CN", /* GPIO_101, HSEC pin 23 */
  196                 "DSI_DP0", /* GPIO_102, HSEC pin 27 */
  197                 "DSI_DN0", /* GPIO_103, HSEC pin 29 */
  198                 "DSI_DP2", /* GPIO_104, HSEC pin 39 */
  199                 "DSI_DN2", /* GPIO_105, HSEC pin 41 */
  200                 "N0_D0", /* GPIO_106 */
  201                 "N0_D1", /* GPIO_107 */
  202                 "N0_D2", /* GPIO_108 */
  203                 "N0_D3", /* GPIO_109 */
  204                 "N0_D4", /* GPIO_110 */
  205                 "N0_D5", /* GPIO_111 */
  206                 "N0_D6", /* GPIO_112 */
  207                 "N0_D7", /* GPIO_113 */
  208                 "N0_DQS", /* GPIO_114 */
  209                 "N0_DQSN", /* GPIO_115 */
  210                 "NC", /* GPIO_116 */
  211                 "NC", /* GPIO_117 */
  212                 "NC", /* GPIO_118 */
  213                 "N0_CEB1", /* GPIO_119 */
  214                 "CARD_DT", /* GPIO_120 */
  215                 "N0_CEB3", /* GPIO_121 */
  216                 "SD_DAT0", /* GPIO_122, HSEC pin 1 */
  217                 "SD_DAT1", /* GPIO_123, HSEC pin 3 */
  218                 "SD_DAT2", /* GPIO_124, HSEC pin 5 */
  219                 "SD_DAT3", /* GPIO_125, HSEC pin 7 */
  220                 "NC", /* GPIO_126 */
  221                 "NC", /* GPIO_127 */
  222                 "[PWR_BTN_N]", /* GPIO_128, LSEC pin 4 */
  223                 "[RST_BTN_N]", /* GPIO_129, LSEC pin 6 */
  224                 "NC", /* GPIO_130 */
  225                 "SD_CMD", /* GPIO_131 */
  226                 "GPIO-L", /* GPIO_132, LSEC pin 34 */
  227                 "GPIO-K", /* GPIO_133, LSEC pin 33 */
  228                 "NC", /* GPIO_134 */
  229                 "SD_SCLK", /* GPIO_135 */
  230                 "NC", /* GPIO_136 */
  231                 "JTAG_TRST", /* GPIO_137 */
  232                 "I2C3_SCLK", /* GPIO_138 */
  233                 "LED2", /* GPIO_139 */
  234                 "LED3", /* GPIO_140 */
  235                 "I2C3_SDATA", /* GPIO_141 */
  236                 "UART3_RX", /* GPIO_142 */
  237                 "UART3_TX", /* GPIO_143 */
  238                 "UART3_RTSB", /* GPIO_144 */
  239                 "UART3_CTSB"; /* GPIO_145 */
  240 
  241         i2c0_default: i2c0-default {
  242                 pinmux {
  243                         groups = "i2c0_mfp";
  244                         function = "i2c0";
  245                 };
  246                 pinconf {
  247                         pins = "i2c0_sclk", "i2c0_sdata";
  248                         bias-pull-up;
  249                 };
  250         };
  251 
  252         i2c1_default: i2c1-default {
  253                 pinconf {
  254                         pins = "i2c1_sclk", "i2c1_sdata";
  255                         bias-pull-up;
  256                 };
  257         };
  258 
  259         i2c2_default: i2c2-default {
  260                 pinconf {
  261                         pins = "i2c2_sclk", "i2c2_sdata";
  262                         bias-pull-up;
  263                 };
  264         };
  265 
  266         mmc0_default: mmc0_default {
  267                 pinmux {
  268                         groups = "sd0_d0_mfp", "sd0_d1_mfp", "sd0_d2_d3_mfp",
  269                                  "sd0_cmd_mfp", "sd0_clk_mfp";
  270                         function = "sd0";
  271                 };
  272         };
  273 
  274         mmc2_default: mmc2_default {
  275                 pinmux {
  276                         groups = "nand0_d0_ceb3_mfp";
  277                         function = "sd2";
  278                 };
  279         };
  280 };
  281 
  282 /* uSD */
  283 &mmc0 {
  284         status = "okay";
  285         pinctrl-names = "default";
  286         pinctrl-0 = <&mmc0_default>;
  287         no-sdio;
  288         no-mmc;
  289         no-1-8-v;
  290         cd-gpios = <&pinctrl 120 GPIO_ACTIVE_LOW>;
  291         bus-width = <4>;
  292         vmmc-supply = <&sd_vcc>;
  293         vqmmc-supply = <&sd_vcc>;
  294 };
  295 
  296 /* eMMC */
  297 &mmc2 {
  298         status = "okay";
  299         pinctrl-names = "default";
  300         pinctrl-0 = <&mmc2_default>;
  301         no-sdio;
  302         no-sd;
  303         non-removable;
  304         bus-width = <8>;
  305         vmmc-supply = <&vcc_3v1>;
  306 };
  307 
  308 &timer {
  309         clocks = <&hosc>;
  310 };
  311 
  312 &uart5 {
  313         status = "okay";
  314 };

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