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

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * Copyright (C) 2014 Joachim Eastwood <manabian@gmail.com>
   4  */
   5
   6 / {
   7         /* regulator for wl12xx on sdio4 */
   8         wl12xx_vmmc: wl12xx_vmmc {
   9                 pinctrl-names = "default";
  10                 pinctrl-0 = <&wl12xx_ctrl_pins>;
  11                 compatible = "regulator-fixed";
  12                 regulator-name = "vwl1271";
  13                 regulator-min-microvolt = <1800000>;
  14                 regulator-max-microvolt = <1800000>;
  15                 gpio = <&gpio2 11 GPIO_ACTIVE_HIGH>;    /* gpio 43 */
  16                 startup-delay-us = <70000>;
  17                 enable-active-high;
  18         };
  19 };
  20
  21 &omap4_pmx_core {
  22         uart2_pins: pinmux_uart2_pins {
  23                 pinctrl-single,pins = <
  24                         OMAP4_IOPAD(0x118, PIN_INPUT_PULLUP | MUX_MODE0)        /* uart2_cts.uart2_cts */
  25                         OMAP4_IOPAD(0x11a, PIN_OUTPUT | MUX_MODE0)              /* uart2_rts.uart2_rts */
  26                         OMAP4_IOPAD(0x11c, PIN_INPUT_PULLUP | MUX_MODE0)        /* uart2_rx.uart2_rx */
  27                         OMAP4_IOPAD(0x11e, PIN_OUTPUT | MUX_MODE0)              /* uart2_tx.uart2_tx */
  28                 >;
  29         };
  30
  31         wl12xx_ctrl_pins: pinmux_wl12xx_ctrl_pins {
  32                 pinctrl-single,pins = <
  33                         OMAP4_IOPAD(0x062, PIN_INPUT_PULLUP | MUX_MODE3)        /* gpmc_a17.gpio_41 (WLAN_IRQ) */
  34                         OMAP4_IOPAD(0x064, PIN_OUTPUT | MUX_MODE3)              /* gpmc_a18.gpio_42 (BT_EN) */
  35                         OMAP4_IOPAD(0x066, PIN_OUTPUT | MUX_MODE3)              /* gpmc_a19.gpio_43 (WLAN_EN) */
  36                 >;
  37         };
  38
  39         mmc4_pins: pinmux_mmc4_pins {
  40                 pinctrl-single,pins = <
  41                         OMAP4_IOPAD(0x154, PIN_INPUT_PULLUP | MUX_MODE1)        /* mcspi4_clk.sdmmc4_clk */
  42                         OMAP4_IOPAD(0x156, PIN_INPUT_PULLUP | MUX_MODE1)        /* mcspi4_simo.sdmmc4_cmd */
  43                         OMAP4_IOPAD(0x158, PIN_INPUT_PULLUP | MUX_MODE1)        /* mcspi4_somi.sdmmc4_dat0 */
  44                         OMAP4_IOPAD(0x15e, PIN_INPUT_PULLUP | MUX_MODE1)        /* uart4_tx.sdmmc4_dat1 */
  45                         OMAP4_IOPAD(0x15c, PIN_INPUT_PULLUP | MUX_MODE1)        /* uart4_rx.sdmmc4_dat2 */
  46                         OMAP4_IOPAD(0x15a, PIN_INPUT_PULLUP | MUX_MODE1)        /* mcspi4_cs0.sdmmc4_dat3 */
  47                 >;
  48         };
  49 };
  50
  51 &uart2 {
  52         pinctrl-names = "default";
  53         pinctrl-0 = <&uart2_pins>;
  54         status = "okay";
  55 };
  56
  57 &mmc4 {
  58         pinctrl-names = "default";
  59         pinctrl-0 = <&mmc4_pins>;
  60         vmmc-supply = <&wl12xx_vmmc>;
  61         non-removable;
  62         bus-width = <4>;
  63         cap-power-off-card;
  64         status = "okay";
  65
  66         #address-cells = <1>;
  67         #size-cells = <0>;
  68         wlcore: wlcore@2 {
  69                 compatible = "ti,wl1271";
  70                 reg = <2>;
  71                 interrupt-parent = <&gpio2>;
  72                 interrupts = <9 IRQ_TYPE_LEVEL_HIGH>; /* gpio 41 */
  73                 ref-clock-frequency = <38400000>;
  74         };
  75 };