diff options
Diffstat (limited to 'arch/arm/boot/dts/imx6qdl-sabresd-btwifi.dtsi')
| -rw-r--r-- | arch/arm/boot/dts/imx6qdl-sabresd-btwifi.dtsi | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/imx6qdl-sabresd-btwifi.dtsi b/arch/arm/boot/dts/imx6qdl-sabresd-btwifi.dtsi new file mode 100644 index 000000000000..7164a9e44bc1 --- /dev/null +++ b/arch/arm/boot/dts/imx6qdl-sabresd-btwifi.dtsi @@ -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 SD2 + * slot using Murata i.MX InterConnect Ver 2.0 Adapter & connecting Bluetooth + * UART & control signals via ribbon cable. + * This configuration supports both WLAN and Bluetooth. + * WL_REG_ON/BT_REG_ON/WL_HOST_WAKE are connected via ribbon cable (J13 connector + * on board). + * ==> Hardware modification is required. Refer to schematic. + */ + +/ { + leds { + compatible = "gpio-leds"; + status = "disabled"; + }; + + modem_reset: modem-reset { + compatible = "gpio-reset"; + reset-gpios = <&gpio1 2 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 = <&gpio4 7 0>; + startup-delay-us = <100>; + enable-active-high; + }; + }; + + bcmdhd_wlan_0: bcmdhd_wlan@0 { + compatible = "android,bcmdhd_wlan"; + gpios = <&gpio4 6 0>; /* WL_HOST_WAKE */ + wlreg_on-supply = <&wlreg_on>; + }; +}; + +&ecspi1 { + status = "disabled"; +}; + +&iomuxc { + imx6qdl-sabresd-murata-v2 { + pinctrl_btreg: btreggrp { + fsl,pins = < + MX6QDL_PAD_GPIO_2__GPIO1_IO02 0x1b0b0 + >; + }; + + /* add MUXing entry for SD2 4-bit interface and configure control pins */ + pinctrl_wifi: wifigrp { + fsl,pins = < + MX6QDL_PAD_SD2_CMD__SD2_CMD 0x17059 + MX6QDL_PAD_SD2_CLK__SD2_CLK 0x10059 + MX6QDL_PAD_SD2_DAT0__SD2_DATA0 0x17059 + MX6QDL_PAD_SD2_DAT1__SD2_DATA1 0x17059 + MX6QDL_PAD_SD2_DAT2__SD2_DATA2 0x17059 + MX6QDL_PAD_SD2_DAT3__SD2_DATA3 0x17059 + MX6QDL_PAD_KEY_ROW0__GPIO4_IO07 0x13069 /* WL_REG_ON */ + MX6QDL_PAD_KEY_COL0__GPIO4_IO06 0x13069 /* WL_HOST_WAKE */ + >; + }; + }; +}; + +&pinctrl_gpio_leds { + fsl,pins = < + >; +}; + +&uart5 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_uart5_1 + &pinctrl_btreg>; + fsl,uart-has-rtscts; + resets = <&modem_reset>; + status = "okay"; + /* for DTE mode, add below change */ + /* fsl,dte-mode; */ + /* pinctrl-0 = <&pinctrl_uart5dte_1>; */ +}; + +&usdhc2 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_wifi>; + bus-width = <4>; + no-1-8-v; + non-removable; + cd-post; + pm-ignore-notify; + wifi-host; +}; |