/*
   * 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 SD3
   * slot using Murata i.MX InterConnect Ver 1.0 Adapter AND SD Card Extender on
   * SD2 slot. Bluetooth UART connects via SD3 EMMC/MMC Plus pinout.
   * WL_REG_ON/BT_REG_ON/WL_HOST_WAKE connect via SD Card Extender.
   */
  
  #include "imx6sx-sdb.dts"
  
  / {

  	modem_reset: modem-reset {
  		compatible = "gpio-reset";
  		reset-gpios = <&gpio6 11 GPIO_ACTIVE_LOW>;
  		reset-delay-us = <1000>;
  		#reset-cells = <0>;
  	};

  	usdhc3_pwrseq: usdhc3_pwrseq {
  		compatible = "mmc-pwrseq-simple";
  		reset-gpios = <&gpio6 10 GPIO_ACTIVE_LOW>;

  	};
  };
  
  &iomuxc {
  	imx6sx-sdb-murata-v1_sdext {

  		pinctrl_bt: btgrp {
  			fsl,pins = <
  				MX6SX_PAD_SD2_DATA3__GPIO6_IO_11	0x13069 /* BT_REG_ON */
  			>;
  		};
  
  		pinctrl_uart3: uart3grp {
  			fsl,pins = <
  				MX6SX_PAD_SD3_DATA4__UART3_RX		0x1b0b1
  				MX6SX_PAD_SD3_DATA5__UART3_TX		0x1b0b1
  				MX6SX_PAD_SD3_DATA7__UART3_CTS_B	0x1b0b1
  				MX6SX_PAD_SD3_DATA6__UART3_RTS_B	0x1b0b1
  			>;
  		};

  		/* change MUXing on SD2 slot for control signals. */
  		pinctrl_usdhc2_1: usdhc2grp-1 {
  			fsl,pins = <
  				MX6SX_PAD_SD2_CMD__USDHC2_CMD		0x17059
  				MX6SX_PAD_SD2_CLK__USDHC2_CLK		0x10059
  				MX6SX_PAD_SD2_DATA0__USDHC2_DATA0	0x17059
  			>;
  		};
  
  		/* Murata change SD3 to 4-bit SDIO only; use upper 4-bits for UART. */
  		pinctrl_wifi: wifigrp {
  			fsl,pins = <
  				MX6SX_PAD_SD3_CMD__USDHC3_CMD		0x17069
  				MX6SX_PAD_SD3_CLK__USDHC3_CLK		0x10071
  				MX6SX_PAD_SD3_DATA0__USDHC3_DATA0	0x17069
  				MX6SX_PAD_SD3_DATA1__USDHC3_DATA1	0x17069
  				MX6SX_PAD_SD3_DATA2__USDHC3_DATA2	0x17069
  				MX6SX_PAD_SD3_DATA3__USDHC3_DATA3	0x17069
  				MX6SX_PAD_KEY_COL0__GPIO2_IO_10		0x17059 /* CD */
  				MX6SX_PAD_KEY_ROW0__GPIO2_IO_15		0x17059 /* WP */
  				/* Murata Module control signals */

  				MX6SX_PAD_SD2_DATA1__GPIO6_IO_9         0x13069 /* WL_HOST_WAKE */

  				MX6SX_PAD_SD2_DATA2__GPIO6_IO_10	0x13069 /* WL_REG_ON */
  			>;
  		};
  	};
  };

  &uart3 {
  	pinctrl-names = "default";
  	pinctrl-0 = <&pinctrl_uart3
  		     &pinctrl_bt>;
  	fsl,uart-has-rtscts;

  	resets = <&modem_reset>;

  	status = "okay";
  };

  &usdhc2 {
  	pinctrl-names = "default";
  	pinctrl-0 = <&pinctrl_usdhc2_1>;
  	bus-width = <1>;
  };

  &vcc_sd3 {
  	regulator-always-on;
  };

  &usdhc3 {

  	#address-cells = <1>;
  	#size-cells = <0>;

  	pinctrl-names = "default";
  	pinctrl-0 = <&pinctrl_wifi>;
  	bus-width = <4>;
  	no-1-8-v;	/* force 3.3V VIO */

  	non-removable;

  	mmc-pwrseq = <&usdhc3_pwrseq>;

  	pm-ignore-notify;

  	cap-power-off-card;

  	status = "okay";

  
  	brcmf: bcrmf@1 {
  		reg = <1>;
  		compatible = "brcm,bcm4329-fmac";
  	};

  };