From: Yannic Moog Date: Fri, 5 Dec 2025 09:33:28 +0000 (+0100) Subject: arm64: dts: imx8mp-phyboard-pollux: add PEB-WLBT-05 expansion board X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e4d60417f6f654bc5d3e0b074f48983861007d47;p=thirdparty%2Fkernel%2Flinux.git arm64: dts: imx8mp-phyboard-pollux: add PEB-WLBT-05 expansion board PEB-WLBT-05 is an expansion board that provides WIFI and Bluetooth functionality. It features the Ezurio Sterling LWB module [1]. Add missing regulator to baseboard dts. [1] https://www.ezurio.com/wireless-modules/wifi-modules-bluetooth/sterling-lwb-24-ghz-wifi-4-bt-51-module Signed-off-by: Yannic Moog Signed-off-by: Shawn Guo --- diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile index f25bebabf5587..e3027dc9e6c0f 100644 --- a/arch/arm64/boot/dts/freescale/Makefile +++ b/arch/arm64/boot/dts/freescale/Makefile @@ -253,12 +253,15 @@ imx8mp-phyboard-pollux-peb-av-10-ph128800t006-dtbs += imx8mp-phyboard-pollux-rdk imx8mp-phyboard-pollux-ph128800t006-dtbs += imx8mp-phyboard-pollux-rdk.dtb \ imx8mp-phyboard-pollux-ph128800t006.dtbo imx8mp-phyboard-pollux-rdk-no-eth-dtbs += imx8mp-phyboard-pollux-rdk.dtb imx8mp-phycore-no-eth.dtbo +imx8mp-phyboard-pollux-wlbt-dtbs += imx8mp-phyboard-pollux-rdk.dtb \ + imx8mp-phyboard-pollux-peb-wlbt-05.dtbo dtb-$(CONFIG_ARCH_MXC) += imx8mp-phyboard-pollux-etml1010g3dra.dtb dtb-$(CONFIG_ARCH_MXC) += imx8mp-phyboard-pollux-peb-av-10.dtb dtb-$(CONFIG_ARCH_MXC) += imx8mp-phyboard-pollux-peb-av-10-etml1010g3dra.dtb dtb-$(CONFIG_ARCH_MXC) += imx8mp-phyboard-pollux-peb-av-10-ph128800t006.dtb dtb-$(CONFIG_ARCH_MXC) += imx8mp-phyboard-pollux-ph128800t006.dtb dtb-$(CONFIG_ARCH_MXC) += imx8mp-phyboard-pollux-rdk-no-eth.dtb +dtb-$(CONFIG_ARCH_MXC) += imx8mp-phyboard-pollux-wlbt.dtb dtb-$(CONFIG_ARCH_MXC) += imx8mp-prt8ml.dtb dtb-$(CONFIG_ARCH_MXC) += imx8mp-skov-basic.dtb dtb-$(CONFIG_ARCH_MXC) += imx8mp-skov-revb-hdmi.dtb diff --git a/arch/arm64/boot/dts/freescale/imx8mp-phyboard-pollux-peb-wlbt-05.dtso b/arch/arm64/boot/dts/freescale/imx8mp-phyboard-pollux-peb-wlbt-05.dtso new file mode 100644 index 0000000000000..0e98f4d942716 --- /dev/null +++ b/arch/arm64/boot/dts/freescale/imx8mp-phyboard-pollux-peb-wlbt-05.dtso @@ -0,0 +1,108 @@ +// 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>; + }; +}; diff --git a/arch/arm64/boot/dts/freescale/imx8mp-phyboard-pollux-rdk.dts b/arch/arm64/boot/dts/freescale/imx8mp-phyboard-pollux-rdk.dts index 7d34b820e3213..90ec73068a6de 100644 --- a/arch/arm64/boot/dts/freescale/imx8mp-phyboard-pollux-rdk.dts +++ b/arch/arm64/boot/dts/freescale/imx8mp-phyboard-pollux-rdk.dts @@ -119,6 +119,13 @@ regulator-max-microvolt = <3300000>; }; + reg_vcc_1v8_exp_con: regulator-vcc-1v8 { + compatible = "regulator-fixed"; + regulator-max-microvolt = <1800000>; + regulator-min-microvolt = <1800000>; + regulator-name = "VCC_1V8_EXP_CON"; + }; + thermal-zones { soc-thermal { trips {