From: Jacobe Zang <jacobe.zang@wesion.com>
Date: Thu, 24 Apr 2025 10:14:40 +0000 (+0800)
Subject: arm64: dts: rockchip: Add bluetooth support to Khadas Edge2
X-Git-Tag: v6.16-rc1~97^2~40^2~27
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8454ad4e4a9bfc9cae560da54bc8ecc1cf87f002;p=thirdparty%2Fkernel%2Fstable.git

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 88a5e822ed17d..afa16aacee002 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 @@
 
 &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 {