diff options
Diffstat (limited to 'arch/arm/boot/dts/imx6sl-evk-btwifi.dts')
| -rw-r--r-- | arch/arm/boot/dts/imx6sl-evk-btwifi.dts | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/imx6sl-evk-btwifi.dts b/arch/arm/boot/dts/imx6sl-evk-btwifi.dts new file mode 100644 index 000000000000..4eac83e12cf2 --- /dev/null +++ b/arch/arm/boot/dts/imx6sl-evk-btwifi.dts @@ -0,0 +1,105 @@ +/* + * 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; +}; |