linux-kernel - [PATCH] arm64: allwinner: Enable Bluetooth and WiFi on sopine baseboard

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Date:   Sat,  7 Dec 2019 11:22:49 -0800
From:   Alistair Francis <alistair@...stair23.me>
To:     linux-kernel@...r.kernel.org
Cc:     devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        wens@...e.org, mripard@...nel.org, alistair23@...il.com,
        Alistair Francis <alistair@...stair23.me>
Subject: [PATCH] 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>
---
 .../dts/allwinner/sun50i-a64-sopine-baseboard.dts  | 14 ++++++++++++++
 1 file changed, 14 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 920103ec0046..0a91f9d8ed47 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64-sopine-baseboard.dts
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-sopine-baseboard.dts
@@ -214,6 +214,20 @@ &uart0 {
 	status = "okay";
 };
 
+&uart1 {
+        pinctrl-names = "default";
+        pinctrl-0 = <&uart1_pins>, <&uart1_rts_cts_pins>;
+        status = "okay";
+
+        bluetooth {
+                compatible = "realtek,rtl8723bs-bt";
+                reset-gpios = <&r_pio 0 4 GPIO_ACTIVE_LOW>; /* PL4 */
+                device-wake-gpios = <&r_pio 0 5 GPIO_ACTIVE_HIGH>; /* PL5 */
+                host-wake-gpios = <&r_pio 0 6 GPIO_ACTIVE_HIGH>; /* PL6 */
+                firmware-postfix = "pine64";
+        };
+};
+
 /* On Pi-2 connector */
 &uart2 {
 	pinctrl-names = "default";
-- 
2.24.0