arch/arm/boot/dts/omap3-gta04a5.dts

   1 /*
   2  * Copyright (C) 2014-18 H. Nikolaus Schaller <hns@goldelico.com>
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License version 2 as
   6  * published by the Free Software Foundation.
   7  */
   8
   9 #include "omap3-gta04.dtsi"
  10
  11 / {
  12         model = "Goldelico GTA04A5/Letux 2804";
  13
  14         sound {
  15                 ti,jack-det-gpio = <&twl_gpio 2 GPIO_ACTIVE_HIGH>;      /* GTA04A5 only */
  16         };
  17
  18         wlan_en: wlan_en_regulator {
  19                 compatible = "regulator-fixed";
  20                 pinctrl-names = "default";
  21                 pinctrl-0 = <&wlan_pins>;
  22                 regulator-name = "wlan-en-regulator";
  23                 regulator-min-microvolt = <1800000>;
  24                 regulator-max-microvolt = <1800000>;
  25
  26                 gpio = <&gpio5 10 GPIO_ACTIVE_HIGH>;    /* GPIO_138 */
  27
  28                 startup-delay-us = <70000>;
  29                 enable-active-high;
  30         };
  31
  32         pps {
  33                 compatible = "pps-gpio";
  34                 pinctrl-names = "default";
  35                 pinctrl-0 = <&pps_pins>;
  36
  37                 gpios = <&gpio4 18 GPIO_ACTIVE_HIGH>; /* GPIN_114 */
  38         };
  39
  40 };
  41
  42 &gpio5 {
  43         irda_en {
  44                 gpio-hog;
  45                 gpios = <(175-160) GPIO_ACTIVE_HIGH>;
  46                 output-high;    /* activate gpio_175 to disable IrDA receiver */
  47         };
  48 };
  49
  50 &omap3_pmx_core {
  51         wlan_pins: pinmux_wlan_pins {
  52                 pinctrl-single,pins = <
  53                         OMAP3_CORE1_IOPAD(0x2168, PIN_OUTPUT | MUX_MODE4)       /* mmc2_dat6 = mmc3_dat2 = gpio138 */
  54                 >;
  55         };
  56
  57         wlan_irq_pin: pinmux_wlan_irq_pin {
  58                 pinctrl-single,pins = <
  59                         OMAP3_CORE1_IOPAD(0x216a, PIN_INPUT_PULLUP | MUX_MODE4) /* mmc2_dat7 = mmc3_dat3 = gpio139 */
  60                 >;
  61         };
  62
  63         irda_pins: pinmux_irda {
  64                 pinctrl-single,pins = <
  65                         OMAP3_CORE1_IOPAD(0x21d0, PIN_OUTPUT_PULLUP | MUX_MODE4)        /* mcspi1_cs1 = gpio175 */
  66                 >;
  67         };
  68
  69         pps_pins: pinmux_pps_pins {
  70                 pinctrl-single,pins = <
  71                         OMAP3_CORE1_IOPAD(0x2138, PIN_INPUT | MUX_MODE4) /* gpin114 */
  72                 >;
  73         };
  74
  75 };
  76
  77 /*
  78  * for WL183x module see
  79  * http://lxr.free-electrons.com/source/Documentation/devicetree/bindings/net/wireless/ti,wlcore.txt
  80  */
  81
  82 &wifi_pwrseq {
  83         /delete-property/ reset-gpios;
  84 };
  85
  86 &mmc2 {
  87         vmmc-supply = <&wlan_en>;
  88         bus-width = <4>;
  89         cap-power-off-card;
  90         non-removable;
  91
  92         pinctrl-names = "default";
  93         pinctrl-0 = <&wlan_irq_pin>;
  94
  95         #address-cells = <1>;
  96         #size-cells = <0>;
  97
  98         /delete-property/ mmc-pwrseq;
  99
 100         wlcore: wlcore@2 {
 101                 compatible = "ti,wl1837";
 102                 reg = <2>;
 103                 interrupt-parent = <&gpio5>;
 104                 interrupts = <11 IRQ_TYPE_LEVEL_HIGH>;  /* GPIO_139 */
 105                 ref-clock-frequency = <26000000>;
 106         };
 107 };