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 <y.moog@phytec.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
index f25bebabf5587bf2c3a5cf2f321c1b67ef311c43..e3027dc9e6c0f4ef1b5bed01ebd8ea45c68e60ca 100644 (file)
--- 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 (file)
index 0000000..0e98f4d
--- /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 <dt-bindings/clock/imx8mp-clock.h>
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+#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 = <&reg_vcc_3v3_sw>;
+               vddio-supply = <&reg_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 = <&reg_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 7d34b820e3213a3832c5be47444d4e9c636a6202..90ec73068a6deb71554b62be951f3010a4e8c5c5 100644 (file)
--- 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 {