arch/arm/boot/dts/omap3-igep0020.dts

   1 /*
   2  * Device Tree Source for IGEPv2 Rev. C (TI OMAP AM/DM37x)
   3  *
   4  * Copyright (C) 2012 Javier Martinez Canillas <javier@osg.samsung.com>
   5  * Copyright (C) 2012 Enric Balletbo i Serra <eballetbo@gmail.com>
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License version 2 as
   9  * published by the Free Software Foundation.
  10  */
  11
  12 #include "omap3-igep0020-common.dtsi"
  13
  14 / {
  15         model = "IGEPv2 Rev. C (TI OMAP AM/DM37x)";
  16         compatible = "isee,omap3-igep0020", "ti,omap36xx", "ti,omap3";
  17
  18         /* Regulator to trigger the WIFI_PDN signal of the Wifi module */
  19         lbee1usjyc_pdn: lbee1usjyc_pdn {
  20                 compatible = "regulator-fixed";
  21                 regulator-name = "regulator-lbee1usjyc-pdn";
  22                 regulator-min-microvolt = <3300000>;
  23                 regulator-max-microvolt = <3300000>;
  24                 gpio = <&gpio5 10 GPIO_ACTIVE_HIGH>;    /* gpio_138 - WIFI_PDN */
  25                 startup-delay-us = <10000>;
  26                 enable-active-high;
  27         };
  28
  29         /* Regulator to trigger the RESET_N_W signal of the Wifi module */
  30         lbee1usjyc_reset_n_w: lbee1usjyc_reset_n_w {
  31                 compatible = "regulator-fixed";
  32                 regulator-name = "regulator-lbee1usjyc-reset-n-w";
  33                 regulator-min-microvolt = <3300000>;
  34                 regulator-max-microvolt = <3300000>;
  35                 gpio = <&gpio5 11 GPIO_ACTIVE_HIGH>;    /* gpio_139 - RESET_N_W */
  36                 enable-active-high;
  37         };
  38 };
  39
  40 &omap3_pmx_core {
  41         lbee1usjyc_pins: pinmux_lbee1usjyc_pins {
  42                 pinctrl-single,pins = <
  43                         OMAP3_CORE1_IOPAD(0x2166, PIN_OUTPUT | MUX_MODE4)       /* sdmmc2_dat5.gpio_137 - RESET_N_W */
  44                         OMAP3_CORE1_IOPAD(0x2168, PIN_OUTPUT | MUX_MODE4)       /* sdmmc2_dat6.gpio_138 - WIFI_PDN */
  45                         OMAP3_CORE1_IOPAD(0x216a, PIN_OUTPUT | MUX_MODE4)       /* sdmmc2_dat7.gpio_139 - RST_N_B */
  46                 >;
  47         };
  48 };
  49
  50 /* On board Wifi module */
  51 &mmc2 {
  52         pinctrl-names = "default";
  53         pinctrl-0 = <&mmc2_pins &lbee1usjyc_pins>;
  54         vmmc-supply = <&lbee1usjyc_pdn>;
  55         vmmc_aux-supply = <&lbee1usjyc_reset_n_w>;
  56         bus-width = <4>;
  57         non-removable;
  58 };