arm64: dts: rockchip: Add bluetooth support to Khadas Edge2

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@protonmail.com>
Signed-off-by: Jacobe Zang <jacobe.zang@wesion.com>
Link: https://lore.kernel.org/r/20250424-edge-v1-1-314aad01d9ab@wesion.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

diff --git a/arch/arm64/boot/dts/rockchip/rk3588s-khadas-edge2.dts b/arch/arm64/boot/dts/rockchip/rk3588s-khadas-edge2.dts
index 88a5e822ed17d4eae555b420f9eb3b75fa5b017e..afa16aacee00257ee99b3684c5ae713808581ce9 100644 (file)
--- a/arch/arm64/boot/dts/rockchip/rk3588s-khadas-edge2.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3588s-khadas-edge2.dts
@@ -697,8 +697,24 @@
 
 &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 {