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/am335x-icev2.dts

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    1 // SPDX-License-Identifier: GPL-2.0-only
    2 /*
    3  * Copyright (C) 2016 Texas Instruments Incorporated - https://www.ti.com/
    4  */
    5 
    6 /*
    7  * AM335x ICE V2 board
    8  * http://www.ti.com/tool/tmdsice3359
    9  */
   10 
   11 /dts-v1/;
   12 
   13 #include "am33xx.dtsi"
   14 
   15 / {
   16         model = "TI AM3359 ICE-V2";
   17         compatible = "ti,am3359-icev2", "ti,am33xx";
   18 
   19         memory@80000000 {
   20                 device_type = "memory";
   21                 reg = <0x80000000 0x10000000>; /* 256 MB */
   22         };
   23 
   24         chosen {
   25                 stdout-path = &uart3;
   26         };
   27 
   28         vbat: fixedregulator0 {
   29                 compatible = "regulator-fixed";
   30                 regulator-name = "vbat";
   31                 regulator-min-microvolt = <5000000>;
   32                 regulator-max-microvolt = <5000000>;
   33                 regulator-boot-on;
   34         };
   35 
   36         vtt_fixed: fixedregulator1 {
   37                 compatible = "regulator-fixed";
   38                 regulator-name = "vtt";
   39                 regulator-min-microvolt = <1500000>;
   40                 regulator-max-microvolt = <1500000>;
   41                 gpio = <&gpio0 18 GPIO_ACTIVE_HIGH>;
   42                 regulator-always-on;
   43                 regulator-boot-on;
   44                 enable-active-high;
   45         };
   46 
   47         leds-iio {
   48                 status = "disabled";
   49                 compatible = "gpio-leds";
   50                 led-out0 {
   51                         label = "out0";
   52                         gpios = <&tpic2810 0 GPIO_ACTIVE_HIGH>;
   53                         default-state = "off";
   54                 };
   55 
   56                 led-out1 {
   57                         label = "out1";
   58                         gpios = <&tpic2810 1 GPIO_ACTIVE_HIGH>;
   59                         default-state = "off";
   60                 };
   61 
   62                 led-out2 {
   63                         label = "out2";
   64                         gpios = <&tpic2810 2 GPIO_ACTIVE_HIGH>;
   65                         default-state = "off";
   66                 };
   67 
   68                 led-out3 {
   69                         label = "out3";
   70                         gpios = <&tpic2810 3 GPIO_ACTIVE_HIGH>;
   71                         default-state = "off";
   72                 };
   73 
   74                 led-out4 {
   75                         label = "out4";
   76                         gpios = <&tpic2810 4 GPIO_ACTIVE_HIGH>;
   77                         default-state = "off";
   78                 };
   79 
   80                 led-out5 {
   81                         label = "out5";
   82                         gpios = <&tpic2810 5 GPIO_ACTIVE_HIGH>;
   83                         default-state = "off";
   84                 };
   85 
   86                 led-out6 {
   87                         label = "out6";
   88                         gpios = <&tpic2810 6 GPIO_ACTIVE_HIGH>;
   89                         default-state = "off";
   90                 };
   91 
   92                 led-out7 {
   93                         label = "out7";
   94                         gpios = <&tpic2810 7 GPIO_ACTIVE_HIGH>;
   95                         default-state = "off";
   96                 };
   97         };
   98 
   99         /* Tricolor status LEDs */
  100         leds1 {
  101                 compatible = "gpio-leds";
  102                 pinctrl-names = "default";
  103                 pinctrl-0 = <&user_leds>;
  104 
  105                 led0 {
  106                         label = "status0:red:cpu0";
  107                         gpios = <&gpio0 17 GPIO_ACTIVE_HIGH>;
  108                         default-state = "off";
  109                         linux,default-trigger = "cpu0";
  110                 };
  111 
  112                 led1 {
  113                         label = "status0:green:usr";
  114                         gpios = <&gpio0 16 GPIO_ACTIVE_HIGH>;
  115                         default-state = "off";
  116                 };
  117 
  118                 led2 {
  119                         label = "status0:yellow:usr";
  120                         gpios = <&gpio3 9 GPIO_ACTIVE_HIGH>;
  121                         default-state = "off";
  122                 };
  123 
  124                 led3 {
  125                         label = "status1:red:mmc0";
  126                         gpios = <&gpio1 30 GPIO_ACTIVE_HIGH>;
  127                         default-state = "off";
  128                         linux,default-trigger = "mmc0";
  129                 };
  130 
  131                 led4 {
  132                         label = "status1:green:usr";
  133                         gpios = <&gpio0 20 GPIO_ACTIVE_HIGH>;
  134                         default-state = "off";
  135                 };
  136 
  137                 led5 {
  138                         label = "status1:yellow:usr";
  139                         gpios = <&gpio0 19 GPIO_ACTIVE_HIGH>;
  140                         default-state = "off";
  141                 };
  142         };
  143         gpio-decoder {
  144                 compatible = "gpio-decoder";
  145                 gpios = <&pca9536 3 GPIO_ACTIVE_HIGH>,
  146                         <&pca9536 2 GPIO_ACTIVE_HIGH>,
  147                         <&pca9536 1 GPIO_ACTIVE_HIGH>,
  148                         <&pca9536 0 GPIO_ACTIVE_HIGH>;
  149                 linux,axis = <0>; /* ABS_X */
  150                 decoder-max-value = <9>;
  151         };
  152 };
  153 
  154 &am33xx_pinmux {
  155         user_leds: user_leds {
  156                 pinctrl-single,pins = <
  157                         AM33XX_PADCONF(AM335X_PIN_MII1_TXD3, PIN_OUTPUT, MUX_MODE7) /* (J18) gmii1_txd3.gpio0[16] */
  158                         AM33XX_PADCONF(AM335X_PIN_MII1_TXD2, PIN_OUTPUT, MUX_MODE7) /* (K15) gmii1_txd2.gpio0[17] */
  159                         AM33XX_PADCONF(AM335X_PIN_XDMA_EVENT_INTR0, PIN_OUTPUT, MUX_MODE7) /* (A15) xdma_event_intr0.gpio0[19] */
  160                         AM33XX_PADCONF(AM335X_PIN_XDMA_EVENT_INTR1, PIN_OUTPUT, MUX_MODE7) /* (D14) xdma_event_intr1.gpio0[20] */
  161                         AM33XX_PADCONF(AM335X_PIN_GPMC_CSN1, PIN_OUTPUT, MUX_MODE7) /* (U9) gpmc_csn1.gpio1[30] */
  162                         AM33XX_PADCONF(AM335X_PIN_MII1_TX_CLK, PIN_OUTPUT, MUX_MODE7) /* (K18) gmii1_txclk.gpio3[9] */
  163                 >;
  164         };
  165 
  166         mmc0_pins_default: mmc0_pins_default {
  167                 pinctrl-single,pins = <
  168                         AM33XX_PADCONF(AM335X_PIN_MMC0_DAT3, PIN_INPUT_PULLUP, MUX_MODE0)
  169                         AM33XX_PADCONF(AM335X_PIN_MMC0_DAT2, PIN_INPUT_PULLUP, MUX_MODE0)
  170                         AM33XX_PADCONF(AM335X_PIN_MMC0_DAT1, PIN_INPUT_PULLUP, MUX_MODE0)
  171                         AM33XX_PADCONF(AM335X_PIN_MMC0_DAT0, PIN_INPUT_PULLUP, MUX_MODE0)
  172                         AM33XX_PADCONF(AM335X_PIN_MMC0_CLK, PIN_INPUT_PULLUP, MUX_MODE0)
  173                         AM33XX_PADCONF(AM335X_PIN_MMC0_CMD, PIN_INPUT_PULLUP, MUX_MODE0)
  174                 >;
  175         };
  176 
  177         i2c0_pins_default: i2c0_pins_default {
  178                 pinctrl-single,pins = <
  179                         AM33XX_PADCONF(AM335X_PIN_I2C0_SDA, PIN_INPUT, MUX_MODE0)
  180                         AM33XX_PADCONF(AM335X_PIN_I2C0_SCL, PIN_INPUT, MUX_MODE0)
  181                 >;
  182         };
  183 
  184         spi0_pins_default: spi0_pins_default {
  185                 pinctrl-single,pins = <
  186                         AM33XX_PADCONF(AM335X_PIN_SPI0_SCLK, PIN_INPUT_PULLUP, MUX_MODE0)
  187                         AM33XX_PADCONF(AM335X_PIN_SPI0_D0, PIN_INPUT_PULLUP, MUX_MODE0)
  188                         AM33XX_PADCONF(AM335X_PIN_SPI0_D1, PIN_INPUT_PULLUP, MUX_MODE0)
  189                         AM33XX_PADCONF(AM335X_PIN_SPI0_CS0, PIN_INPUT_PULLUP, MUX_MODE0)
  190                         AM33XX_PADCONF(AM335X_PIN_SPI0_CS1, PIN_INPUT_PULLUP, MUX_MODE0)
  191                         AM33XX_PADCONF(AM335X_PIN_MCASP0_ACLKR, PIN_INPUT_PULLUP, MUX_MODE7) /* (B12) mcasp0_aclkr.gpio3[18] */
  192                 >;
  193         };
  194 
  195         uart3_pins_default: uart3_pins_default {
  196                 pinctrl-single,pins = <
  197                         AM33XX_PADCONF(AM335X_PIN_MII1_RXD3, PIN_INPUT_PULLUP, MUX_MODE1) /* (L17) gmii1_rxd3.uart3_rxd */
  198                         AM33XX_PADCONF(AM335X_PIN_MII1_RXD2, PIN_OUTPUT_PULLUP, MUX_MODE1) /* (L16) gmii1_rxd2.uart3_txd */
  199                 >;
  200         };
  201 
  202         cpsw_default: cpsw_default {
  203                 pinctrl-single,pins = <
  204                         /* Slave 1, RMII mode */
  205                         AM33XX_PADCONF(AM335X_PIN_MII1_CRS, PIN_INPUT_PULLUP, MUX_MODE1)        /* mii1_crs.rmii1_crs_dv */
  206                         AM33XX_PADCONF(AM335X_PIN_RMII1_REF_CLK, PIN_INPUT_PULLUP, MUX_MODE0)
  207                         AM33XX_PADCONF(AM335X_PIN_MII1_RXD0, PIN_INPUT_PULLUP, MUX_MODE1)
  208                         AM33XX_PADCONF(AM335X_PIN_MII1_RXD1, PIN_INPUT_PULLUP, MUX_MODE1)
  209                         AM33XX_PADCONF(AM335X_PIN_MII1_RX_ER, PIN_INPUT_PULLUP, MUX_MODE1)      /* mii1_rxerr.rmii1_rxerr */
  210                         AM33XX_PADCONF(AM335X_PIN_MII1_TXD0, PIN_OUTPUT_PULLDOWN, MUX_MODE1)    /* mii1_txd0.rmii1_txd0 */
  211                         AM33XX_PADCONF(AM335X_PIN_MII1_TXD1, PIN_OUTPUT_PULLDOWN, MUX_MODE1)    /* mii1_txd1.rmii1_txd1 */
  212                         AM33XX_PADCONF(AM335X_PIN_MII1_TX_EN, PIN_OUTPUT_PULLDOWN, MUX_MODE1)   /* mii1_txen.rmii1_txen */
  213                         /* Slave 2, RMII mode */
  214                         AM33XX_PADCONF(AM335X_PIN_GPMC_WAIT0, PIN_INPUT_PULLUP, MUX_MODE3)      /* gpmc_wait0.rmii2_crs_dv */
  215                         AM33XX_PADCONF(AM335X_PIN_MII1_COL, PIN_INPUT_PULLUP, MUX_MODE1)        /* mii1_col.rmii2_refclk */
  216                         AM33XX_PADCONF(AM335X_PIN_GPMC_A11, PIN_INPUT_PULLUP, MUX_MODE3)        /* gpmc_a11.rmii2_rxd0 */
  217                         AM33XX_PADCONF(AM335X_PIN_GPMC_A10, PIN_INPUT_PULLUP, MUX_MODE3)        /* gpmc_a10.rmii2_rxd1 */
  218                         AM33XX_PADCONF(AM335X_PIN_GPMC_WPN, PIN_INPUT_PULLUP, MUX_MODE3)        /* gpmc_wpn.rmii2_rxerr */
  219                         AM33XX_PADCONF(AM335X_PIN_GPMC_A5, PIN_OUTPUT_PULLDOWN, MUX_MODE3)      /* gpmc_a5.rmii2_txd0 */
  220                         AM33XX_PADCONF(AM335X_PIN_GPMC_A4, PIN_OUTPUT_PULLDOWN, MUX_MODE3)      /* gpmc_a4.rmii2_txd1 */
  221                         AM33XX_PADCONF(AM335X_PIN_GPMC_A0, PIN_OUTPUT_PULLDOWN, MUX_MODE3)      /* gpmc_a0.rmii2_txen */
  222                 >;
  223         };
  224 
  225         cpsw_sleep: cpsw_sleep {
  226                 pinctrl-single,pins = <
  227                         /* Slave 1 reset value */
  228                         AM33XX_PADCONF(AM335X_PIN_MII1_CRS, PIN_INPUT_PULLDOWN, MUX_MODE7)
  229                         AM33XX_PADCONF(AM335X_PIN_RMII1_REF_CLK, PIN_INPUT_PULLDOWN, MUX_MODE7)
  230                         AM33XX_PADCONF(AM335X_PIN_MII1_RXD0, PIN_INPUT_PULLDOWN, MUX_MODE7)
  231                         AM33XX_PADCONF(AM335X_PIN_MII1_RXD1, PIN_INPUT_PULLDOWN, MUX_MODE7)
  232                         AM33XX_PADCONF(AM335X_PIN_MII1_RX_ER, PIN_INPUT_PULLDOWN, MUX_MODE7)
  233                         AM33XX_PADCONF(AM335X_PIN_MII1_TXD0, PIN_INPUT_PULLDOWN, MUX_MODE7)
  234                         AM33XX_PADCONF(AM335X_PIN_MII1_TXD1, PIN_INPUT_PULLDOWN, MUX_MODE7)
  235                         AM33XX_PADCONF(AM335X_PIN_MII1_TX_EN, PIN_INPUT_PULLDOWN, MUX_MODE7)
  236 
  237                         /* Slave 2 reset value */
  238                         AM33XX_PADCONF(AM335X_PIN_GPMC_WAIT0, PIN_INPUT_PULLDOWN, MUX_MODE7)
  239                         AM33XX_PADCONF(AM335X_PIN_MII1_COL, PIN_INPUT_PULLDOWN, MUX_MODE7)
  240                         AM33XX_PADCONF(AM335X_PIN_GPMC_A11, PIN_INPUT_PULLDOWN, MUX_MODE7)
  241                         AM33XX_PADCONF(AM335X_PIN_GPMC_A10, PIN_INPUT_PULLDOWN, MUX_MODE7)
  242                         AM33XX_PADCONF(AM335X_PIN_GPMC_WPN, PIN_INPUT_PULLDOWN, MUX_MODE7)
  243                         AM33XX_PADCONF(AM335X_PIN_GPMC_A5, PIN_INPUT_PULLDOWN, MUX_MODE7)
  244                         AM33XX_PADCONF(AM335X_PIN_GPMC_A4, PIN_INPUT_PULLDOWN, MUX_MODE7)
  245                         AM33XX_PADCONF(AM335X_PIN_GPMC_A0, PIN_INPUT_PULLDOWN, MUX_MODE7)
  246                 >;
  247         };
  248 
  249         davinci_mdio_default: davinci_mdio_default {
  250                 pinctrl-single,pins = <
  251                         /* MDIO */
  252                         AM33XX_PADCONF(AM335X_PIN_MDIO, PIN_INPUT_PULLUP | SLEWCTRL_FAST, MUX_MODE0)
  253                         AM33XX_PADCONF(AM335X_PIN_MDC, PIN_OUTPUT_PULLUP, MUX_MODE0)
  254                 >;
  255         };
  256 
  257         davinci_mdio_sleep: davinci_mdio_sleep {
  258                 pinctrl-single,pins = <
  259                         /* MDIO reset value */
  260                         AM33XX_PADCONF(AM335X_PIN_MDIO, PIN_INPUT_PULLDOWN, MUX_MODE7)
  261                         AM33XX_PADCONF(AM335X_PIN_MDC, PIN_INPUT_PULLDOWN, MUX_MODE7)
  262                 >;
  263         };
  264 };
  265 
  266 &i2c0 {
  267         pinctrl-names = "default";
  268         pinctrl-0 = <&i2c0_pins_default>;
  269 
  270         status = "okay";
  271         clock-frequency = <400000>;
  272 
  273         tps: power-controller@2d {
  274                 reg = <0x2d>;
  275         };
  276 
  277         tpic2810: gpio@60 {
  278                 compatible = "ti,tpic2810";
  279                 reg = <0x60>;
  280                 gpio-controller;
  281                 #gpio-cells = <2>;
  282         };
  283 
  284         pca9536: gpio@41 {
  285                 compatible = "ti,pca9536";
  286                 reg = <0x41>;
  287                 gpio-controller;
  288                 #gpio-cells = <2>;
  289         };
  290 
  291         /* osd9616p0899-10 */
  292         display@3c {
  293                 compatible = "solomon,ssd1306fb-i2c";
  294                 reg = <0x3c>;
  295                 solomon,height = <16>;
  296                 solomon,width = <96>;
  297                 solomon,com-seq;
  298                 solomon,com-invdir;
  299                 solomon,page-offset = <0>;
  300                 solomon,prechargep1 = <2>;
  301                 solomon,prechargep2 = <13>;
  302         };
  303 };
  304 
  305 &spi0 {
  306         status = "okay";
  307         pinctrl-names = "default";
  308         pinctrl-0 = <&spi0_pins_default>;
  309 
  310         sn65hvs882@1 {
  311                 compatible = "pisosr-gpio";
  312                 gpio-controller;
  313                 #gpio-cells = <2>;
  314 
  315                 load-gpios = <&gpio3 18 GPIO_ACTIVE_LOW>;
  316 
  317                 reg = <1>;
  318                 spi-max-frequency = <1000000>;
  319                 spi-cpol;
  320         };
  321 
  322         spi_nor: flash@0 {
  323                 #address-cells = <1>;
  324                 #size-cells = <1>;
  325                 compatible = "winbond,w25q64", "jedec,spi-nor";
  326                 spi-max-frequency = <80000000>;
  327                 m25p,fast-read;
  328                 reg = <0>;
  329 
  330                 partition@0 {
  331                         label = "u-boot-spl";
  332                         reg = <0x0 0x80000>;
  333                         read-only;
  334                 };
  335 
  336                 partition@1 {
  337                         label = "u-boot";
  338                         reg = <0x80000 0x100000>;
  339                         read-only;
  340                 };
  341 
  342                 partition@2 {
  343                         label = "u-boot-env";
  344                         reg = <0x180000 0x20000>;
  345                         read-only;
  346                 };
  347 
  348                 partition@3 {
  349                         label = "misc";
  350                         reg = <0x1A0000 0x660000>;
  351                 };
  352         };
  353 
  354 };
  355 
  356 &tscadc {
  357         status = "okay";
  358         adc {
  359                 ti,adc-channels = <1 2 3 4 5 6 7>;
  360         };
  361 };
  362 
  363 #include "tps65910.dtsi"
  364 
  365 &tps {
  366         vcc1-supply = <&vbat>;
  367         vcc2-supply = <&vbat>;
  368         vcc3-supply = <&vbat>;
  369         vcc4-supply = <&vbat>;
  370         vcc5-supply = <&vbat>;
  371         vcc6-supply = <&vbat>;
  372         vcc7-supply = <&vbat>;
  373         vccio-supply = <&vbat>;
  374 
  375         regulators {
  376                 vrtc_reg: regulator@0 {
  377                         regulator-always-on;
  378                 };
  379 
  380                 vio_reg: regulator@1 {
  381                         regulator-always-on;
  382                 };
  383 
  384                 vdd1_reg: regulator@2 {
  385                         regulator-name = "vdd_mpu";
  386                         regulator-min-microvolt = <912500>;
  387                         regulator-max-microvolt = <1326000>;
  388                         regulator-boot-on;
  389                         regulator-always-on;
  390                 };
  391 
  392                 vdd2_reg: regulator@3 {
  393                         regulator-name = "vdd_core";
  394                         regulator-min-microvolt = <912500>;
  395                         regulator-max-microvolt = <1144000>;
  396                         regulator-boot-on;
  397                         regulator-always-on;
  398                 };
  399 
  400                 vdd3_reg: regulator@4 {
  401                         regulator-always-on;
  402                 };
  403 
  404                 vdig1_reg: regulator@5 {
  405                         regulator-always-on;
  406                 };
  407 
  408                 vdig2_reg: regulator@6 {
  409                         regulator-always-on;
  410                 };
  411 
  412                 vpll_reg: regulator@7 {
  413                         regulator-always-on;
  414                 };
  415 
  416                 vdac_reg: regulator@8 {
  417                         regulator-always-on;
  418                 };
  419 
  420                 vaux1_reg: regulator@9 {
  421                         regulator-always-on;
  422                 };
  423 
  424                 vaux2_reg: regulator@10 {
  425                         regulator-always-on;
  426                 };
  427 
  428                 vaux33_reg: regulator@11 {
  429                         regulator-always-on;
  430                 };
  431 
  432                 vmmc_reg: regulator@12 {
  433                         regulator-min-microvolt = <1800000>;
  434                         regulator-max-microvolt = <3300000>;
  435                         regulator-always-on;
  436                 };
  437         };
  438 };
  439 
  440 &mmc1 {
  441         status = "okay";
  442         vmmc-supply = <&vmmc_reg>;
  443         bus-width = <4>;
  444         pinctrl-names = "default";
  445         pinctrl-0 = <&mmc0_pins_default>;
  446 };
  447 
  448 &gpio0_target {
  449         /* Do not idle the GPIO used for holding the VTT regulator */
  450         ti,no-reset-on-init;
  451         ti,no-idle-on-init;
  452 };
  453 
  454 &uart3 {
  455         pinctrl-names = "default";
  456         pinctrl-0 = <&uart3_pins_default>;
  457         status = "okay";
  458 };
  459 
  460 &gpio3 {
  461         pr1-mii-ctl-hog {
  462                 gpio-hog;
  463                 gpios = <4 GPIO_ACTIVE_HIGH>;
  464                 output-high;
  465                 line-name = "PR1_MII_CTRL";
  466         };
  467 
  468         mux-mii-hog {
  469                 gpio-hog;
  470                 gpios = <10 GPIO_ACTIVE_HIGH>;
  471                 /* ETH1 mux: Low for MII-PRU, high for RMII-CPSW */
  472                 output-high;
  473                 line-name = "MUX_MII_CTL1";
  474         };
  475 };
  476 
  477 &cpsw_port1 {
  478         phy-handle = <&ethphy0>;
  479         phy-mode = "rmii";
  480         ti,dual-emac-pvid = <1>;
  481 };
  482 
  483 &cpsw_port2 {
  484         phy-handle = <&ethphy1>;
  485         phy-mode = "rmii";
  486         ti,dual-emac-pvid = <2>;
  487 };
  488 
  489 &mac_sw {
  490         pinctrl-names = "default", "sleep";
  491         pinctrl-0 = <&cpsw_default>;
  492         pinctrl-1 = <&cpsw_sleep>;
  493         status = "okay";
  494 };
  495 
  496 &davinci_mdio_sw {
  497         pinctrl-names = "default", "sleep";
  498         pinctrl-0 = <&davinci_mdio_default>;
  499         pinctrl-1 = <&davinci_mdio_sleep>;
  500         reset-gpios = <&gpio2 5 GPIO_ACTIVE_LOW>;
  501         reset-delay-us = <2>;   /* PHY datasheet states 1uS min */
  502 
  503         ethphy0: ethernet-phy@1 {
  504                 reg = <1>;
  505         };
  506 
  507         ethphy1: ethernet-phy@3 {
  508                 reg = <3>;
  509         };
  510 };
  511 
  512 &pruss_tm {
  513         status = "okay";
  514 };
  515 
  516 &rtc {
  517         system-power-controller;
  518 };

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