diff options
Diffstat (limited to 'arch/arm/boot/dts/imx6ul-evk-btwifi.dtsi')
-rw-r--r-- | arch/arm/boot/dts/imx6ul-evk-btwifi.dtsi | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/imx6ul-evk-btwifi.dtsi b/arch/arm/boot/dts/imx6ul-evk-btwifi.dtsi new file mode 100644 index 000000000000..76f68cd20b8e --- /dev/null +++ b/arch/arm/boot/dts/imx6ul-evk-btwifi.dtsi @@ -0,0 +1,53 @@ +/* + * Copyright (C) 2015 Freescale Semiconductor, Inc. + * Copyright 2019 NXP + * + * 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 Slot + * SD1 and using Murata i.MX InterConnect Ver 2.0 Adapter. Bluetooth UART & + * control signals are connected via ribbon cable (J1701 connector). + */ + +/ { + usdhc1_pwrseq: usdhc1_pwrseq { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_wifi>; + compatible = "mmc-pwrseq-simple"; + reset-gpios = <&gpio5 1 GPIO_ACTIVE_LOW>; + }; +}; + +&iomuxc { + pinctrl_wifi: wifigrp { + fsl,pins = < + MX6UL_PAD_SNVS_TAMPER1__GPIO5_IO01 0x03029 + >; + }; +}; + +®_sd1_vmmc { + regulator-always-on; +}; + +&usdhc1 { + #address-cells = <1>; + #size-cells = <0>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_usdhc1>; + no-1-8-v; + non-removable; + mmc-pwrseq = <&usdhc1_pwrseq>; + /delete-property/ enable-sdio-wakeup; +}; + +&gpio_spi { + /* Murata: modify default setting so that BT_nPWD/BT_REG_ON + * is low (0V) during kernel boot. + */ + registers-default = /bits/ 8 <0x47>; +}; |