1// SPDX-License-Identifier: GPL-2.0+ 2/* 3 * Support optional Wifi/Bluetooth on Variscite VAR-SOM-6UL module. 4 * 5 * Copyright 2019-2024 Variscite Ltd. 6 * Copyright 2026 Dimonoff 7 */ 8 9/ { 10 reg_sd1_vmmc: regulator_sd1_vmmc { 11 compatible = "regulator-fixed"; 12 regulator-name = "VMMC1"; 13 regulator-min-microvolt = <3300000>; 14 regulator-max-microvolt = <3300000>; 15 gpio = <&gpio5 2 GPIO_ACTIVE_HIGH>; 16 enable-active-high; 17 startup-delay-us = <10000>; 18 }; 19 20 usdhc1_pwrseq: usdhc1-pwrseq { 21 compatible = "mmc-pwrseq-simple"; 22 pinctrl-names = "default"; 23 pinctrl-0 = <&pinctrl_brcm_wifi>; 24 reset-gpios = <&gpio5 6 GPIO_ACTIVE_LOW>; 25 }; 26}; 27 28&iomuxc { 29 pinctrl_32k_clk: 32kclkgrp { 30 /* 31 * For TP option, an additional oscillator is assembled on the 32 * SOM to provide 32 kHz to the WiFi module. Without TP option, 33 * this pin is configured to provide the 32 KHz clock to the 34 * WiFi module. 35 */ 36 fsl,pins = < 37 MX6UL_PAD_GPIO1_IO03__OSC32K_32K_OUT 0x03029 38 >; 39 }; 40}; 41 42&tsc { 43 status = "disabled"; 44}; 45 46/* Bluetooth UART */ 47&uart2 { 48 bluetooth { 49 compatible = "brcm,bcm43438-bt"; 50 pinctrl-names = "default"; 51 pinctrl-0 = <&pinctrl_brcm_bt>; 52 shutdown-gpios = <&gpio5 4 GPIO_ACTIVE_HIGH>; 53 vbat-supply = <®_3p3v>; 54 vddio-supply = <®_3p3v>; 55 }; 56}; 57 58&usdhc1 { 59 #address-cells = <1>; 60 #size-cells = <0>; 61 pinctrl-names = "default", "state_100mhz", "state_200mhz"; 62 pinctrl-0 = <&pinctrl_usdhc1>, <&pinctrl_32k_clk>; 63 pinctrl-1 = <&pinctrl_usdhc1_100mhz>, <&pinctrl_32k_clk>; 64 pinctrl-2 = <&pinctrl_usdhc1_200mhz>, <&pinctrl_32k_clk>; 65 no-1-8-v; 66 non-removable; 67 mmc-pwrseq = <&usdhc1_pwrseq>; 68 vmmc-supply = <®_sd1_vmmc>; 69 status = "okay"; 70 71 brcmf: wifi@1 { 72 compatible = "brcm,bcm4329-fmac"; /* LWB option: Sterling LWB5 */ 73 reg = <1>; 74 }; 75}; 76