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/arm/imx6qdl-gw552x.dtsi

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    1 // SPDX-License-Identifier: GPL-2.0-or-later
    2 /*
    3  * Copyright 2014 Gateworks Corporation
    4  */
    5 
    6 #include <dt-bindings/gpio/gpio.h>
    7 #include <dt-bindings/input/linux-event-codes.h>
    8 #include <dt-bindings/interrupt-controller/irq.h>
    9 
   10 / {
   11         /* these are used by bootloader for disabling nodes */
   12         aliases {
   13                 led0 = &led0;
   14                 led1 = &led1;
   15                 led2 = &led2;
   16                 nand = &gpmi;
   17                 usb0 = &usbh1;
   18                 usb1 = &usbotg;
   19         };
   20 
   21         chosen {
   22                 bootargs = "console=ttymxc1,115200";
   23         };
   24 
   25         gpio-keys {
   26                 compatible = "gpio-keys";
   27 
   28                 user-pb {
   29                         label = "user_pb";
   30                         gpios = <&gsc_gpio 0 GPIO_ACTIVE_LOW>;
   31                         linux,code = <BTN_0>;
   32                 };
   33 
   34                 user-pb1x {
   35                         label = "user_pb1x";
   36                         linux,code = <BTN_1>;
   37                         interrupt-parent = <&gsc>;
   38                         interrupts = <0>;
   39                 };
   40 
   41                 key-erased {
   42                         label = "key-erased";
   43                         linux,code = <BTN_2>;
   44                         interrupt-parent = <&gsc>;
   45                         interrupts = <1>;
   46                 };
   47 
   48                 eeprom-wp {
   49                         label = "eeprom_wp";
   50                         linux,code = <BTN_3>;
   51                         interrupt-parent = <&gsc>;
   52                         interrupts = <2>;
   53                 };
   54 
   55                 tamper {
   56                         label = "tamper";
   57                         linux,code = <BTN_4>;
   58                         interrupt-parent = <&gsc>;
   59                         interrupts = <5>;
   60                 };
   61 
   62                 switch-hold {
   63                         label = "switch_hold";
   64                         linux,code = <BTN_5>;
   65                         interrupt-parent = <&gsc>;
   66                         interrupts = <7>;
   67                 };
   68         };
   69 
   70         leds {
   71                 compatible = "gpio-leds";
   72                 pinctrl-names = "default";
   73                 pinctrl-0 = <&pinctrl_gpio_leds>;
   74 
   75                 led0: user1 {
   76                         label = "user1";
   77                         gpios = <&gpio4 6 GPIO_ACTIVE_HIGH>; /* MX6_PANLEDG */
   78                         default-state = "on";
   79                         linux,default-trigger = "heartbeat";
   80                 };
   81 
   82                 led1: user2 {
   83                         label = "user2";
   84                         gpios = <&gpio4 7 GPIO_ACTIVE_HIGH>; /* MX6_PANLEDR */
   85                         default-state = "off";
   86                 };
   87 
   88                 led2: user3 {
   89                         label = "user3";
   90                         gpios = <&gpio4 15 GPIO_ACTIVE_LOW>; /* MX6_LOCLED# */
   91                         default-state = "off";
   92                 };
   93         };
   94 
   95         memory@10000000 {
   96                 device_type = "memory";
   97                 reg = <0x10000000 0x20000000>;
   98         };
   99 
  100         reg_1p0v: regulator-1p0v {
  101                 compatible = "regulator-fixed";
  102                 regulator-name = "1P0V";
  103                 regulator-min-microvolt = <1000000>;
  104                 regulator-max-microvolt = <1000000>;
  105                 regulator-always-on;
  106         };
  107 
  108         reg_3p3v: regulator-3p3v {
  109                 compatible = "regulator-fixed";
  110                 regulator-name = "3P3V";
  111                 regulator-min-microvolt = <3300000>;
  112                 regulator-max-microvolt = <3300000>;
  113                 regulator-always-on;
  114         };
  115 
  116         reg_5p0v: regulator-5p0v {
  117                 compatible = "regulator-fixed";
  118                 regulator-name = "5P0V";
  119                 regulator-min-microvolt = <5000000>;
  120                 regulator-max-microvolt = <5000000>;
  121                 regulator-always-on;
  122         };
  123 };
  124 
  125 &gpmi {
  126         pinctrl-names = "default";
  127         pinctrl-0 = <&pinctrl_gpmi_nand>;
  128         status = "okay";
  129 };
  130 
  131 &hdmi {
  132         ddc-i2c-bus = <&i2c3>;
  133         status = "okay";
  134 };
  135 
  136 &i2c1 {
  137         clock-frequency = <100000>;
  138         pinctrl-names = "default";
  139         pinctrl-0 = <&pinctrl_i2c1>;
  140         status = "okay";
  141 
  142         gsc: gsc@20 {
  143                 compatible = "gw,gsc";
  144                 reg = <0x20>;
  145                 interrupt-parent = <&gpio1>;
  146                 interrupts = <4 IRQ_TYPE_LEVEL_LOW>;
  147                 interrupt-controller;
  148                 #interrupt-cells = <1>;
  149                 #size-cells = <0>;
  150 
  151                 adc {
  152                         compatible = "gw,gsc-adc";
  153                         #address-cells = <1>;
  154                         #size-cells = <0>;
  155 
  156                         channel@0 {
  157                                 gw,mode = <0>;
  158                                 reg = <0x00>;
  159                                 label = "temp";
  160                         };
  161 
  162                         channel@2 {
  163                                 gw,mode = <1>;
  164                                 reg = <0x02>;
  165                                 label = "vdd_vin";
  166                         };
  167 
  168                         channel@5 {
  169                                 gw,mode = <1>;
  170                                 reg = <0x05>;
  171                                 label = "vdd_3p3";
  172                         };
  173 
  174                         channel@8 {
  175                                 gw,mode = <1>;
  176                                 reg = <0x08>;
  177                                 label = "vdd_bat";
  178                         };
  179 
  180                         channel@b {
  181                                 gw,mode = <1>;
  182                                 reg = <0x0b>;
  183                                 label = "vdd_5p0";
  184                         };
  185 
  186                         channel@e {
  187                                 gw,mode = <1>;
  188                                 reg = <0xe>;
  189                                 label = "vdd_arm";
  190                         };
  191 
  192                         channel@11 {
  193                                 gw,mode = <1>;
  194                                 reg = <0x11>;
  195                                 label = "vdd_soc";
  196                         };
  197 
  198                         channel@14 {
  199                                 gw,mode = <1>;
  200                                 reg = <0x14>;
  201                                 label = "vdd_3p0";
  202                         };
  203 
  204                         channel@17 {
  205                                 gw,mode = <1>;
  206                                 reg = <0x17>;
  207                                 label = "vdd_1p5";
  208                         };
  209 
  210                         channel@1d {
  211                                 gw,mode = <1>;
  212                                 reg = <0x1d>;
  213                                 label = "vdd_1p8";
  214                         };
  215 
  216                         channel@20 {
  217                                 gw,mode = <1>;
  218                                 reg = <0x20>;
  219                                 label = "vdd_1p0";
  220                         };
  221 
  222                         channel@23 {
  223                                 gw,mode = <1>;
  224                                 reg = <0x23>;
  225                                 label = "vdd_2p5";
  226                         };
  227                 };
  228         };
  229 
  230         gsc_gpio: gpio@23 {
  231                 compatible = "nxp,pca9555";
  232                 reg = <0x23>;
  233                 gpio-controller;
  234                 #gpio-cells = <2>;
  235                 interrupt-parent = <&gsc>;
  236                 interrupts = <4>;
  237         };
  238 
  239         eeprom1: eeprom@50 {
  240                 compatible = "atmel,24c02";
  241                 reg = <0x50>;
  242                 pagesize = <16>;
  243         };
  244 
  245         eeprom2: eeprom@51 {
  246                 compatible = "atmel,24c02";
  247                 reg = <0x51>;
  248                 pagesize = <16>;
  249         };
  250 
  251         eeprom3: eeprom@52 {
  252                 compatible = "atmel,24c02";
  253                 reg = <0x52>;
  254                 pagesize = <16>;
  255         };
  256 
  257         eeprom4: eeprom@53 {
  258                 compatible = "atmel,24c02";
  259                 reg = <0x53>;
  260                 pagesize = <16>;
  261         };
  262 
  263         rtc: ds1672@68 {
  264                 compatible = "dallas,ds1672";
  265                 reg = <0x68>;
  266         };
  267 };
  268 
  269 &i2c2 {
  270         clock-frequency = <100000>;
  271         pinctrl-names = "default";
  272         pinctrl-0 = <&pinctrl_i2c2>;
  273         status = "okay";
  274 
  275         ltc3676: pmic@3c {
  276                 compatible = "lltc,ltc3676";
  277                 reg = <0x3c>;
  278                 pinctrl-names = "default";
  279                 pinctrl-0 = <&pinctrl_pmic>;
  280                 interrupt-parent = <&gpio1>;
  281                 interrupts = <8 IRQ_TYPE_EDGE_FALLING>;
  282 
  283                 regulators {
  284                         /* VDD_SOC (1+R1/R2 = 1.635) */
  285                         reg_vdd_soc: sw1 {
  286                                 regulator-name = "vddsoc";
  287                                 regulator-min-microvolt = <674400>;
  288                                 regulator-max-microvolt = <1308000>;
  289                                 lltc,fb-voltage-divider = <127000 200000>;
  290                                 regulator-ramp-delay = <7000>;
  291                                 regulator-boot-on;
  292                                 regulator-always-on;
  293                         };
  294 
  295                         /* VDD_1P8 (1+R1/R2 = 2.505): ENET-PHY */
  296                         reg_1p8v: sw2 {
  297                                 regulator-name = "vdd1p8";
  298                                 regulator-min-microvolt = <1033310>;
  299                                 regulator-max-microvolt = <2004000>;
  300                                 lltc,fb-voltage-divider = <301000 200000>;
  301                                 regulator-ramp-delay = <7000>;
  302                                 regulator-boot-on;
  303                                 regulator-always-on;
  304                         };
  305 
  306                         /* VDD_ARM (1+R1/R2 = 1.635) */
  307                         reg_vdd_arm: sw3 {
  308                                 regulator-name = "vddarm";
  309                                 regulator-min-microvolt = <674400>;
  310                                 regulator-max-microvolt = <1308000>;
  311                                 lltc,fb-voltage-divider = <127000 200000>;
  312                                 regulator-ramp-delay = <7000>;
  313                                 regulator-boot-on;
  314                                 regulator-always-on;
  315                         };
  316 
  317                         /* VDD_DDR (1+R1/R2 = 2.105) */
  318                         reg_vdd_ddr: sw4 {
  319                                 regulator-name = "vddddr";
  320                                 regulator-min-microvolt = <868310>;
  321                                 regulator-max-microvolt = <1684000>;
  322                                 lltc,fb-voltage-divider = <221000 200000>;
  323                                 regulator-ramp-delay = <7000>;
  324                                 regulator-boot-on;
  325                                 regulator-always-on;
  326                         };
  327 
  328                         /* VDD_2P5 (1+R1/R2 = 3.435): PCIe/ENET-PHY */
  329                         reg_2p5v: ldo2 {
  330                                 regulator-name = "vdd2p5";
  331                                 regulator-min-microvolt = <2490375>;
  332                                 regulator-max-microvolt = <2490375>;
  333                                 lltc,fb-voltage-divider = <487000 200000>;
  334                                 regulator-boot-on;
  335                                 regulator-always-on;
  336                         };
  337 
  338                         /* VDD_HIGH (1+R1/R2 = 4.17) */
  339                         reg_3p0v: ldo4 {
  340                                 regulator-name = "vdd3p0";
  341                                 regulator-min-microvolt = <3023250>;
  342                                 regulator-max-microvolt = <3023250>;
  343                                 lltc,fb-voltage-divider = <634000 200000>;
  344                                 regulator-boot-on;
  345                                 regulator-always-on;
  346                         };
  347                 };
  348         };
  349 };
  350 
  351 &i2c3 {
  352         clock-frequency = <100000>;
  353         pinctrl-names = "default";
  354         pinctrl-0 = <&pinctrl_i2c3>;
  355         status = "okay";
  356 };
  357 
  358 &pcie {
  359         pinctrl-names = "default";
  360         pinctrl-0 = <&pinctrl_pcie>;
  361         reset-gpio = <&gpio1 29 GPIO_ACTIVE_LOW>;
  362         status = "okay";
  363 };
  364 
  365 &pwm2 {
  366         pinctrl-names = "default";
  367         pinctrl-0 = <&pinctrl_pwm2>; /* MX6_DIO1 */
  368         status = "disabled";
  369 };
  370 
  371 &pwm3 {
  372         pinctrl-names = "default";
  373         pinctrl-0 = <&pinctrl_pwm3>; /* MX6_DIO2 */
  374         status = "disabled";
  375 };
  376 
  377 &uart2 {
  378         pinctrl-names = "default";
  379         pinctrl-0 = <&pinctrl_uart2>;
  380         status = "okay";
  381 };
  382 
  383 &uart3 {
  384         pinctrl-names = "default";
  385         pinctrl-0 = <&pinctrl_uart3>;
  386         status = "okay";
  387 };
  388 
  389 &uart5 {
  390         pinctrl-names = "default";
  391         pinctrl-0 = <&pinctrl_uart5>;
  392         status = "okay"; };
  393 
  394 &usbh1 {
  395         status = "okay";
  396 };
  397 
  398 &usbotg {
  399         vbus-supply = <&reg_5p0v>;
  400         pinctrl-names = "default";
  401         pinctrl-0 = <&pinctrl_usbotg>;
  402         disable-over-current;
  403         status = "okay";
  404 };
  405 
  406 &wdog1 {
  407         pinctrl-names = "default";
  408         pinctrl-0 = <&pinctrl_wdog>;
  409         fsl,ext-reset-output;
  410 };
  411 
  412 &iomuxc {
  413         pinctrl_gpio_leds: gpioledsgrp {
  414                 fsl,pins = <
  415                         MX6QDL_PAD_KEY_COL0__GPIO4_IO06         0x1b0b0
  416                         MX6QDL_PAD_KEY_ROW0__GPIO4_IO07         0x1b0b0
  417                         MX6QDL_PAD_KEY_ROW4__GPIO4_IO15         0x1b0b0
  418                 >;
  419         };
  420 
  421         pinctrl_gpmi_nand: gpminandgrp {
  422                 fsl,pins = <
  423                         MX6QDL_PAD_NANDF_CLE__NAND_CLE          0xb0b1
  424                         MX6QDL_PAD_NANDF_ALE__NAND_ALE          0xb0b1
  425                         MX6QDL_PAD_NANDF_WP_B__NAND_WP_B        0xb0b1
  426                         MX6QDL_PAD_NANDF_RB0__NAND_READY_B      0xb000
  427                         MX6QDL_PAD_NANDF_CS0__NAND_CE0_B        0xb0b1
  428                         MX6QDL_PAD_SD4_CMD__NAND_RE_B           0xb0b1
  429                         MX6QDL_PAD_SD4_CLK__NAND_WE_B           0xb0b1
  430                         MX6QDL_PAD_NANDF_D0__NAND_DATA00        0xb0b1
  431                         MX6QDL_PAD_NANDF_D1__NAND_DATA01        0xb0b1
  432                         MX6QDL_PAD_NANDF_D2__NAND_DATA02        0xb0b1
  433                         MX6QDL_PAD_NANDF_D3__NAND_DATA03        0xb0b1
  434                         MX6QDL_PAD_NANDF_D4__NAND_DATA04        0xb0b1
  435                         MX6QDL_PAD_NANDF_D5__NAND_DATA05        0xb0b1
  436                         MX6QDL_PAD_NANDF_D6__NAND_DATA06        0xb0b1
  437                         MX6QDL_PAD_NANDF_D7__NAND_DATA07        0xb0b1
  438                 >;
  439         };
  440 
  441         pinctrl_i2c1: i2c1grp {
  442                 fsl,pins = <
  443                         MX6QDL_PAD_EIM_D21__I2C1_SCL            0x4001b8b1
  444                         MX6QDL_PAD_EIM_D28__I2C1_SDA            0x4001b8b1
  445                         MX6QDL_PAD_GPIO_4__GPIO1_IO04           0xb0b1
  446                 >;
  447         };
  448 
  449         pinctrl_i2c2: i2c2grp {
  450                 fsl,pins = <
  451                         MX6QDL_PAD_KEY_COL3__I2C2_SCL           0x4001b8b1
  452                         MX6QDL_PAD_KEY_ROW3__I2C2_SDA           0x4001b8b1
  453                 >;
  454         };
  455 
  456         pinctrl_i2c3: i2c3grp {
  457                 fsl,pins = <
  458                         MX6QDL_PAD_GPIO_3__I2C3_SCL             0x4001b8b1
  459                         MX6QDL_PAD_GPIO_6__I2C3_SDA             0x4001b8b1
  460                 >;
  461         };
  462 
  463         pinctrl_pcie: pciegrp {
  464                 fsl,pins = <
  465                         MX6QDL_PAD_ENET_TXD1__GPIO1_IO29        0x1b0b0
  466                 >;
  467         };
  468 
  469         pinctrl_pmic: pmicgrp {
  470                 fsl,pins = <
  471                         MX6QDL_PAD_GPIO_8__GPIO1_IO08           0x0001b0b0 /* PMIC_IRQ# */
  472                 >;
  473         };
  474 
  475         pinctrl_pwm2: pwm2grp {
  476                 fsl,pins = <
  477                         MX6QDL_PAD_SD1_DAT2__PWM2_OUT           0x1b0b1
  478                 >;
  479         };
  480 
  481         pinctrl_pwm3: pwm3grp {
  482                 fsl,pins = <
  483                         MX6QDL_PAD_SD1_DAT1__PWM3_OUT           0x1b0b1
  484                 >;
  485         };
  486 
  487         pinctrl_uart2: uart2grp {
  488                 fsl,pins = <
  489                         MX6QDL_PAD_SD4_DAT7__UART2_TX_DATA      0x1b0b1
  490                         MX6QDL_PAD_SD4_DAT4__UART2_RX_DATA      0x1b0b1
  491                 >;
  492         };
  493 
  494         pinctrl_uart3: uart3grp {
  495                 fsl,pins = <
  496                         MX6QDL_PAD_EIM_D24__UART3_TX_DATA       0x1b0b1
  497                         MX6QDL_PAD_EIM_D25__UART3_RX_DATA       0x1b0b1
  498                 >;
  499         };
  500 
  501         pinctrl_uart5: uart5grp {
  502                 fsl,pins = <
  503                         MX6QDL_PAD_KEY_COL1__UART5_TX_DATA      0x1b0b1
  504                         MX6QDL_PAD_KEY_ROW1__UART5_RX_DATA      0x1b0b1
  505                 >;
  506         };
  507 
  508         pinctrl_usbotg: usbotggrp {
  509                 fsl,pins = <
  510                         MX6QDL_PAD_ENET_RX_ER__USB_OTG_ID       0x13059
  511                 >;
  512         };
  513 
  514         pinctrl_wdog: wdoggrp {
  515                 fsl,pins = <
  516                         MX6QDL_PAD_DISP0_DAT8__WDOG1_B          0x1b0b0
  517                 >;
  518         };
  519 };

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