From: Christophe Roullier <christophe.roullier@xxxxxxxxxxx>
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@xxxxxxxxxxx>
Signed-off-by: Valentin Caron <valentin.caron@xxxxxxxxxxx>
---
arch/arm/boot/dts/st/stm32mp157c-dk2.dts | 41 +++++++++++++++++++++++-
1 file changed, 40 insertions(+), 1 deletion(-)
diff --git a/arch/arm/boot/dts/st/stm32mp157c-dk2.dts b/arch/arm/boot/dts/st/stm32mp157c-dk2.dts
index 8ac1233f9a02d..5f9c0160a9c49 100644
--- a/arch/arm/boot/dts/st/stm32mp157c-dk2.dts
+++ b/arch/arm/boot/dts/st/stm32mp157c-dk2.dts
@@ -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>;
+ };
};
--
2.25.1
