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ARM: dts: stm32: add support of WLAN/BT on stm32mp157c-dk2

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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 <christophe.roullier@foss.st.com>
Signed-off-by: Valentin Caron <valentin.caron@foss.st.com>
Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
This commit is contained in:
Christophe Roullier 2024-08-27 16:04:51 +02:00 committed by Alexandre Torgue
parent d6e424f926
commit 6f37c7365c
1 changed files with 40 additions and 1 deletions
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41
arch/arm/boot/dts/st/stm32mp157c-dk2.dts
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@ -24,6 +24,11 @@ aliases {
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 @@ rtc_lsco_pins_a: rtc-lsco-0 {
};
};
/* 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>;
};
};