// SPDX-License-Identifier: GPL-2.0-or-later OR MIT /* * Copyright (C) 2025 PHYTEC Messtechnik GmbH */ #include #include #include #include "imx8mp-pinfunc.h" /dts-v1/; /plugin/; &{/} { wlbt_clock: clock-32768 { compatible = "fixed-clock"; clock-accuracy = <20000>; clock-frequency = <32768>; clock-output-names = "WIFIBT_SLOW_CLK"; #clock-cells = <0>; }; usdhc1_pwrseq: pwr-seq { compatible = "mmc-pwrseq-simple"; post-power-on-delay-ms = <250>; reset-gpios = <&gpio5 5 GPIO_ACTIVE_LOW>; }; }; &iomuxc { pinctrl_uart3: uart3grp { fsl,pins = < MX8MP_IOMUXC_SD1_RESET_B__UART3_DCE_RTS 0x140 /* RTS */ MX8MP_IOMUXC_SD1_STROBE__UART3_DCE_CTS 0x140 /* CTS */ MX8MP_IOMUXC_UART3_RXD__UART3_DCE_RX 0x140 /* RX */ MX8MP_IOMUXC_UART3_TXD__UART3_DCE_TX 0x140 /* TX */ >; }; pinctrl_bluetooth: bluetoothgrp { fsl,pins = < MX8MP_IOMUXC_SD1_DATA4__GPIO2_IO06 0x106 /* BT_DEV_WAKE_EXP */ MX8MP_IOMUXC_SD1_DATA5__GPIO2_IO07 0x106 /* BT_REG_ON_EXP */ MX8MP_IOMUXC_SD1_DATA7__GPIO2_IO09 0x106 /* BT_HOST_WAKE_EXP */ >; }; pinctrl_usdhc1: usdhc1grp { fsl,pins = < MX8MP_IOMUXC_SD1_CLK__USDHC1_CLK 0x190 /* SDIO_CLK */ MX8MP_IOMUXC_SD1_CMD__USDHC1_CMD 0x1d0 /* SDIO_CMD */ MX8MP_IOMUXC_SD1_DATA0__USDHC1_DATA0 0x1d0 /* SDIO_D0 */ MX8MP_IOMUXC_SD1_DATA1__USDHC1_DATA1 0x1d0 /* SDIO_D1 */ MX8MP_IOMUXC_SD1_DATA2__USDHC1_DATA2 0x1d0 /* SDIO_D2 */ MX8MP_IOMUXC_SD1_DATA3__USDHC1_DATA3 0x1d0 /* SDIO_D3 */ >; }; pinctrl_wifi: wifigrp { fsl,pins = < MX8MP_IOMUXC_SPDIF_EXT_CLK__GPIO5_IO05 0x106 /* WL_REG_ON_EXP */ >; }; }; &uart3 { assigned-clocks = <&clk IMX8MP_CLK_UART3>; assigned-clock-parents = <&clk IMX8MP_SYS_PLL1_80M>; pinctrl-0 = <&pinctrl_uart3>; pinctrl-names = "default"; uart-has-rtscts; status = "okay"; bluetooth { compatible = "brcm,bcm43438-bt"; pinctrl-0 = <&pinctrl_bluetooth>; pinctrl-names = "default"; clock-names = "lpo"; clocks = <&wlbt_clock>; device-wakeup-gpios = <&gpio2 6 GPIO_ACTIVE_HIGH>; host-wakeup-gpios = <&gpio2 9 GPIO_ACTIVE_HIGH>; max-speed = <3000000>; shutdown-gpios = <&gpio2 7 GPIO_ACTIVE_HIGH>; vbat-supply = <®_vcc_3v3_sw>; vddio-supply = <®_vcc_1v8_exp_con>; }; }; &usdhc1 { #address-cells = <1>; #size-cells = <0>; pinctrl-0 = <&pinctrl_usdhc1>; pinctrl-names = "default"; bus-width = <4>; max-frequency = <50000000>; mmc-pwrseq = <&usdhc1_pwrseq>; non-removable; vmmc-supply = <®_vcc_3v3_sw>; status = "okay"; wifi@1 { compatible = "brcm,bcm4329-fmac"; reg = <1>; pinctrl-0 = <&pinctrl_wifi>; pinctrl-names = "default"; reset-gpios = <&gpio5 5 GPIO_ACTIVE_LOW>; }; };