arch/arm/boot/dts/omap4-var-som-om44-wlan.dtsi

   1 /*
   2  * Copyright (C) 2014 Joachim Eastwood <manabian@gmail.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 / {
  10         /* regulator for wl12xx on sdio4 */
  11         wl12xx_vmmc: wl12xx_vmmc {
  12                 pinctrl-names = "default";
  13                 pinctrl-0 = <&wl12xx_ctrl_pins>;
  14                 compatible = "regulator-fixed";
  15                 regulator-name = "vwl1271";
  16                 regulator-min-microvolt = <1800000>;
  17                 regulator-max-microvolt = <1800000>;
  18                 gpio = <&gpio2 11 GPIO_ACTIVE_HIGH>;    /* gpio 43 */
  19                 startup-delay-us = <70000>;
  20                 enable-active-high;
  21         };
  22 };
  23
  24 &omap4_pmx_core {
  25         uart2_pins: pinmux_uart2_pins {
  26                 pinctrl-single,pins = <
  27                         OMAP4_IOPAD(0x118, PIN_INPUT_PULLUP | MUX_MODE0)        /* uart2_cts.uart2_cts */
  28                         OMAP4_IOPAD(0x11a, PIN_OUTPUT | MUX_MODE0)              /* uart2_rts.uart2_rts */
  29                         OMAP4_IOPAD(0x11c, PIN_INPUT_PULLUP | MUX_MODE0)        /* uart2_rx.uart2_rx */
  30                         OMAP4_IOPAD(0x11e, PIN_OUTPUT | MUX_MODE0)              /* uart2_tx.uart2_tx */
  31                 >;
  32         };
  33
  34         wl12xx_ctrl_pins: pinmux_wl12xx_ctrl_pins {
  35                 pinctrl-single,pins = <
  36                         OMAP4_IOPAD(0x062, PIN_INPUT_PULLUP | MUX_MODE3)        /* gpmc_a17.gpio_41 (WLAN_IRQ) */
  37                         OMAP4_IOPAD(0x064, PIN_OUTPUT | MUX_MODE3)              /* gpmc_a18.gpio_42 (BT_EN) */
  38                         OMAP4_IOPAD(0x066, PIN_OUTPUT | MUX_MODE3)              /* gpmc_a19.gpio_43 (WLAN_EN) */
  39                 >;
  40         };
  41
  42         mmc4_pins: pinmux_mmc4_pins {
  43                 pinctrl-single,pins = <
  44                         OMAP4_IOPAD(0x154, PIN_INPUT_PULLUP | MUX_MODE1)        /* mcspi4_clk.sdmmc4_clk */
  45                         OMAP4_IOPAD(0x156, PIN_INPUT_PULLUP | MUX_MODE1)        /* mcspi4_simo.sdmmc4_cmd */
  46                         OMAP4_IOPAD(0x158, PIN_INPUT_PULLUP | MUX_MODE1)        /* mcspi4_somi.sdmmc4_dat0 */
  47                         OMAP4_IOPAD(0x15e, PIN_INPUT_PULLUP | MUX_MODE1)        /* uart4_tx.sdmmc4_dat1 */
  48                         OMAP4_IOPAD(0x15c, PIN_INPUT_PULLUP | MUX_MODE1)        /* uart4_rx.sdmmc4_dat2 */
  49                         OMAP4_IOPAD(0x15a, PIN_INPUT_PULLUP | MUX_MODE1)        /* mcspi4_cs0.sdmmc4_dat3 */
  50                 >;
  51         };
  52 };
  53
  54 &uart2 {
  55         pinctrl-names = "default";
  56         pinctrl-0 = <&uart2_pins>;
  57         status = "okay";
  58 };
  59
  60 &mmc4 {
  61         pinctrl-names = "default";
  62         pinctrl-0 = <&mmc4_pins>;
  63         vmmc-supply = <&wl12xx_vmmc>;
  64         non-removable;
  65         bus-width = <4>;
  66         cap-power-off-card;
  67         status = "okay";
  68
  69         #address-cells = <1>;
  70         #size-cells = <0>;
  71         wlcore: wlcore@2 {
  72                 compatible = "ti,wl1271";
  73                 reg = <2>;
  74                 interrupt-parent = <&gpio2>;
  75                 interrupts = <9 IRQ_TYPE_LEVEL_HIGH>; /* gpio 41 */
  76                 ref-clock-frequency = <38400000>;
  77         };
  78 };