From 6b44fdef4c7ad112e17d7cbd64d7d522a426d6e4 Mon Sep 17 00:00:00 2001 From: Christophe Roullier Date: Tue, 27 Aug 2024 16:04:52 +0200 Subject: [PATCH] ARM: dts: stm32: add support of WLAN/BT on stm32mp135f-dk Add support of WLAN/BT Murata Type 1DX module: - usart2 is used for Bluetooth interface - sdmmc2 is used for WLAN (sdio) interface Signed-off-by: Christophe Roullier Signed-off-by: Valentin Caron Signed-off-by: Alexandre Torgue --- arch/arm/boot/dts/st/stm32mp135f-dk.dts | 45 +++++++++++++++++++++++++ 1 file changed, 45 insertions(+) --- a/arch/arm/boot/dts/st/stm32mp135f-dk.dts +++ b/arch/arm/boot/dts/st/stm32mp135f-dk.dts @@ -67,6 +67,19 @@ default-state = "off"; }; }; + + v3v3_ao: v3v3-ao { + compatible = "regulator-fixed"; + regulator-name = "v3v3_ao"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-always-on; + }; + + wifi_pwrseq: wifi-pwrseq { + compatible = "mmc-pwrseq-simple"; + reset-gpios = <&mcp23017 11 GPIO_ACTIVE_LOW>; + }; }; &adc_1 { @@ -230,6 +243,30 @@ status = "okay"; }; +/* Wifi */ +&sdmmc2 { + pinctrl-names = "default", "opendrain", "sleep"; + pinctrl-0 = <&sdmmc2_b4_pins_a &sdmmc2_clk_pins_a>; + pinctrl-1 = <&sdmmc2_b4_od_pins_a &sdmmc2_clk_pins_a>; + pinctrl-2 = <&sdmmc2_b4_sleep_pins_a>; + non-removable; + cap-sdio-irq; + st,neg-edge; + bus-width = <4>; + vmmc-supply = <&v3v3_ao>; + mmc-pwrseq = <&wifi_pwrseq>; + #address-cells = <1>; + #size-cells = <0>; + status = "okay"; + + brcmf: bcrmf@1 { + reg = <1>; + compatible = "brcm,bcm4329-fmac"; + pinctrl-names = "default"; + pinctrl-0 = <&rtc_lsco_pins_a>; + }; +}; + &spi5 { pinctrl-names = "default", "sleep"; pinctrl-0 = <&spi5_pins_a>; @@ -332,6 +369,14 @@ pinctrl-2 = <&usart2_idle_pins_a>; uart-has-rtscts; status = "okay"; + + bluetooth { + shutdown-gpios = <&mcp23017 13 GPIO_ACTIVE_HIGH>; + compatible = "brcm,bcm43438-bt"; + max-speed = <3000000>; + vbat-supply = <&v3v3_ao>; + vddio-supply = <&v3v3_ao>; + }; }; &usbh_ehci {