linux-kernel - [DO-NOT-MERGE][PATCH v4 3/3] arm64: allwinner: Enable Bluetooth and WiFi on sopine baseboard

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Date:   Sat, 25 Apr 2020 08:55:31 -0700
From:   Alistair Francis <alistair@...stair23.me>
To:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        marcel@...tmann.org, johan.hedberg@...il.com,
        linux-bluetooth@...r.kernel.org, mripard@...nel.org, wens@...e.org
Cc:     anarsoul@...il.com, devicetree@...r.kernel.org,
        alistair23@...il.com, linux-arm-kernel@...ts.infradead.org,
        Alistair Francis <alistair@...stair23.me>
Subject: [DO-NOT-MERGE][PATCH v4 3/3] arm64: allwinner: Enable Bluetooth and WiFi on sopine baseboard

The sopine board has an optional RTL8723BS WiFi + BT module that can be
connected to UART1. Add this to the device tree so that it will work
for users if connected.

Signed-off-by: Alistair Francis <alistair@...stair23.me>
---
 .../allwinner/sun50i-a64-sopine-baseboard.dts | 29 +++++++++++++++++++
 1 file changed, 29 insertions(+)

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-sopine-baseboard.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-sopine-baseboard.dts
index 2f6ea9f3f6a2..34357ba143cb 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64-sopine-baseboard.dts
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-sopine-baseboard.dts
@@ -42,6 +42,11 @@ reg_vcc1v8: vcc1v8 {
 		regulator-min-microvolt = <1800000>;
 		regulator-max-microvolt = <1800000>;
 	};
+
+	wifi_pwrseq: wifi_pwrseq {
+		compatible = "mmc-pwrseq-simple";
+		reset-gpios = <&r_pio 0 2 GPIO_ACTIVE_LOW>; /* PL2 */
+	};
 };
 
 &ac_power_supply {
@@ -103,6 +108,17 @@ ext_rgmii_phy: ethernet-phy@1 {
 	};
 };
 
+&mmc1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&mmc1_pins>;
+	vmmc-supply = <&reg_dldo4>;
+	vqmmc-supply = <&reg_eldo1>;
+	mmc-pwrseq = <&wifi_pwrseq>;
+	non-removable;
+	bus-width = <4>;
+	status = "okay";
+};
+
 &mmc2 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&mmc2_pins>;
@@ -174,6 +190,19 @@ &uart0 {
 	status = "okay";
 };
 
+&uart1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart1_pins>, <&uart1_rts_cts_pins>;
+	uart-has-rtscts = <1>;
+	status = "okay";
+
+	bluetooth {
+		compatible = "realtek,rtl8723bs-bt";
+		device-wake-gpios = <&r_pio 0 5 GPIO_ACTIVE_HIGH>; /* PL5 */
+		host-wake-gpios = <&r_pio 0 6 GPIO_ACTIVE_HIGH>; /* PL6 */
+	};
+};
+
 /* On Pi-2 connector */
 &uart2 {
 	pinctrl-names = "default";
-- 
2.26.0