[PATCH 1/3] arm64: dts: rockchip: Add bluetooth support to Khadas Edge2

[Jacobe Zang]

This commit adds the RTS signal, specifies the compatible Broadcom chip,
its clock source, interrupts, GPIOs for wakeup and shutdown, maximum speed,
pinctrl settings, and power supplies.

Signed-off-by: Muhammed Efe Cetin <efectn at protonmail.com>
Signed-off-by: Jacobe Zang <jacobe.zang at wesion.com>
---
 arch/arm64/boot/dts/rockchip/rk3588s-khadas-edge2.dts | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/rockchip/rk3588s-khadas-edge2.dts b/arch/arm64/boot/dts/rockchip/rk3588s-khadas-edge2.dts
index 88a5e822ed17..afa16aacee00 100644
--- a/arch/arm64/boot/dts/rockchip/rk3588s-khadas-edge2.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3588s-khadas-edge2.dts
@@ -697,8 +697,24 @@ &uart2 {
 
 &uart9 {
 	pinctrl-names = "default";
-	pinctrl-0 = <&uart9m2_xfer &uart9m2_ctsn>;
+	pinctrl-0 = <&uart9m2_xfer &uart9m2_ctsn &uart9m2_rtsn>;
 	status = "okay";
+
+	bluetooth {
+		compatible = "brcm,bcm43438-bt";
+		clocks = <&hym8563>;
+		clock-names = "lpo";
+		interrupt-parent = <&gpio0>;
+		interrupts = <RK_PD5 IRQ_TYPE_LEVEL_HIGH>;
+		interrupt-names = "host-wakeup";
+		device-wakeup-gpios = <&gpio0 RK_PD3 GPIO_ACTIVE_HIGH>;
+		shutdown-gpios = <&gpio0 RK_PD4 GPIO_ACTIVE_HIGH>;
+		max-speed = <1500000>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&bt_wake_host_irq &bt_wake_pin &bt_reset_pin>;
+		vbat-supply = <&vcc_3v3_s3>;
+		vddio-supply = <&vcc_1v8_s3>;
+	};
 };
 
 &u2phy2 {

-- 
2.43.0