From 315fe7667c03c1f853e1a7038c28f23621a44a3d Mon Sep 17 00:00:00 2001 From: Christophe Roullier Date: Tue, 27 Aug 2024 16:04:51 +0200 Subject: [PATCH] ARM: dts: stm32: add support of WLAN/BT on stm32mp157c-dk2 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/stm32mp157c-dk2.dts | 41 +++++++++++++++++++++++- 1 file changed, 40 insertions(+), 1 deletion(-) --- a/arch/arm/boot/dts/st/stm32mp157c-dk2.dts +++ b/arch/arm/boot/dts/st/stm32mp157c-dk2.dts @@ -24,6 +24,11 @@ chosen { stdout-path = "serial0:115200n8"; }; + + wifi_pwrseq: wifi-pwrseq { + compatible = "mmc-pwrseq-simple"; + reset-gpios = <&gpioh 4 GPIO_ACTIVE_LOW>; + }; }; &cryp1 { @@ -94,10 +99,44 @@ }; }; +/* Wifi */ +&sdmmc2 { + pinctrl-names = "default", "opendrain", "sleep"; + pinctrl-0 = <&sdmmc2_b4_pins_a>; + pinctrl-1 = <&sdmmc2_b4_od_pins_a>; + pinctrl-2 = <&sdmmc2_b4_sleep_pins_a>; + non-removable; + cap-sdio-irq; + st,neg-edge; + bus-width = <4>; + vmmc-supply = <&v3v3>; + 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>; + }; +}; + +/* Bluetooth */ &usart2 { pinctrl-names = "default", "sleep", "idle"; pinctrl-0 = <&usart2_pins_c>; pinctrl-1 = <&usart2_sleep_pins_c>; pinctrl-2 = <&usart2_idle_pins_c>; - status = "disabled"; + uart-has-rtscts; + status = "okay"; + + bluetooth { + shutdown-gpios = <&gpioz 6 GPIO_ACTIVE_HIGH>; + compatible = "brcm,bcm43438-bt"; + max-speed = <3000000>; + vbat-supply = <&v3v3>; + vddio-supply = <&v3v3>; + }; };