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/*
* Copyright (C) 2015 Freescale Semiconductor, Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
/* NOTE: This DTS file is written for plugging in Murata Wi-Fi/BT EVK into SD1
* slot using Murata i.MX InterConnect Ver 1.0 Adapter AND wiring in control
* signals with SD Card Extender on SD3 slot.
* Bluetooth UART connect via SD1 EMMC/MMC Plus pinout.
* WL_REG_ON/BT_REG_ON/WL_HOST_WAKE are connected from SD Card Extender on SD3
* slot.
*/
#include "imx6sl-evk.dts"
/ {
modem_reset: modem-reset {
compatible = "gpio-reset";
reset-gpios = <&gpio5 17 GPIO_ACTIVE_LOW>;
reset-delay-us = <1000>;
#reset-cells = <0>;
};
regulators {
wlreg_on: fixedregulator@100 {
compatible = "regulator-fixed";
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5000000>;
regulator-name = "wlreg_on";
gpio = <&gpio5 16 0>;
startup-delay-us = <100>;
enable-active-high;
};
};
bcmdhd_wlan_0: bcmdhd_wlan@0 {
compatible = "android,bcmdhd_wlan";
gpios = <&gpio5 20 0>; /* WL_HOST_WAKE */
wlreg_on-supply = <&wlreg_on>;
};
};
&iomuxc {
imx6sl-evk-murata-v1_sdext {
/* Only MUX SD1_DAT0..3 lines so UART4 can be MUXed on higher data lines. */
pinctrl_btreg: btreggrp {
fsl,pins = <
MX6SL_PAD_SD3_DAT3__GPIO5_IO17 0x13069 /* BT_REG_ON */
>;
};
pinctrl_wifi: wifigrp {
fsl,pins = <
MX6SL_PAD_SD1_CMD__SD1_CMD 0x17059
MX6SL_PAD_SD1_CLK__SD1_CLK 0x10059
MX6SL_PAD_SD1_DAT0__SD1_DATA0 0x17059
MX6SL_PAD_SD1_DAT1__SD1_DATA1 0x17059
MX6SL_PAD_SD1_DAT2__SD1_DATA2 0x17059
MX6SL_PAD_SD1_DAT3__SD1_DATA3 0x17059
MX6SL_PAD_SD3_DAT1__GPIO5_IO20 0x13069 /* WL_HOST_WAKE */
MX6SL_PAD_SD3_DAT2__GPIO5_IO16 0x13069 /* WL_REG_ON */
>;
};
pinctrl_usdhc3_1: usdhc3grp-1 {
fsl,pins = <
MX6SL_PAD_SD3_CMD__SD3_CMD 0x17059
MX6SL_PAD_SD3_CLK__SD3_CLK 0x10059
MX6SL_PAD_SD3_DAT0__SD3_DATA0 0x17059
>;
};
};
};
/* Murata: declare UART4 interface for Bluetooth. */
&uart4 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_uart4_1
&pinctrl_btreg>;
fsl,uart-has-rtscts;
resets = <&modem_reset>;
status = "okay";
/* for DTE mode, add below change */
/* fsl,dte-mode; */
/* pinctrl-0 = <&pinctrl_uart4dte_1>; */
};
&usdhc1 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_wifi>;
bus-width = <4>;
no-1-8-v;
non-removable;
cd-post;
pm-ignore-notify;
wifi-host;
};
&usdhc3 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_usdhc3_1>;
bus-width = <1>;
no-1-8-v;
};
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