linux-kernel - [PATCH 6/9] ARM: dts: stm32: add support of WLAN/BT on stm32mp135f-dk

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Message-ID: <20240827140455.345086-7-valentin.caron@foss.st.com>
Date: Tue, 27 Aug 2024 16:04:52 +0200
From: Valentin Caron <valentin.caron@...s.st.com>
To: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Alexandre Torgue
	<alexandre.torgue@...s.st.com>
CC: <devicetree@...r.kernel.org>, <linux-stm32@...md-mailman.stormreply.com>,
        <linux-arm-kernel@...ts.infradead.org>, <linux-kernel@...r.kernel.org>,
        Christophe Roullier <christophe.roullier@...s.st.com>,
        Valentin Caron
	<valentin.caron@...s.st.com>
Subject: [PATCH 6/9] ARM: dts: stm32: add support of WLAN/BT on stm32mp135f-dk

From: Christophe Roullier <christophe.roullier@...s.st.com>

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@...s.st.com>
Signed-off-by: Valentin Caron <valentin.caron@...s.st.com>
---
 arch/arm/boot/dts/st/stm32mp135f-dk.dts | 45 +++++++++++++++++++++++++
 1 file changed, 45 insertions(+)

diff --git a/arch/arm/boot/dts/st/stm32mp135f-dk.dts b/arch/arm/boot/dts/st/stm32mp135f-dk.dts
index ef33cbf3e601c..3a276589fef79 100644
--- a/arch/arm/boot/dts/st/stm32mp135f-dk.dts
+++ b/arch/arm/boot/dts/st/stm32mp135f-dk.dts
@@ -121,6 +121,19 @@ panel_in_rgb: endpoint {
 			};
 		};
 	};
+
+	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 {
@@ -392,6 +405,30 @@ &sdmmc1 {
 	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>;
@@ -498,6 +535,14 @@ &usart2 {
 	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 {
-- 
2.25.1