[PATCH] arm64: dts: rockchip: Add bluetooth support to ArmSoM Sige7

From: Jianfeng Liu
Date: Sat Jun 21 2025 - 09:53:52 EST


ArmSoM Sige7 has onboard AP6275P Wi-Fi6 (PCIe) and BT5 (UART) module
which is similar with Khadas Edge2. This commit enables bluetooth
at uart6.

Signed-off-by: Jianfeng Liu <liujianfeng1994@xxxxxxxxx>
---

.../boot/dts/rockchip/rk3588-armsom-sige7.dts | 36 +++++++++++++++++++
1 file changed, 36 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3588-armsom-sige7.dts b/arch/arm64/boot/dts/rockchip/rk3588-armsom-sige7.dts
index ae9274365be..39197ee1983 100644
--- a/arch/arm64/boot/dts/rockchip/rk3588-armsom-sige7.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3588-armsom-sige7.dts
@@ -373,6 +373,20 @@ vcc5v0_host_en: vcc5v0-host-en {
rockchip,pins = <4 RK_PB0 RK_FUNC_GPIO &pcfg_pull_none>;
};
};
+
+ wireless-bluetooth {
+ bt_reset_pin: bt-reset-pin {
+ rockchip,pins = <3 RK_PA6 RK_FUNC_GPIO &pcfg_pull_none>;
+ };
+
+ bt_wake_pin: bt-wake-pin {
+ rockchip,pins = <3 RK_PD5 RK_FUNC_GPIO &pcfg_pull_up>;
+ };
+
+ bt_wake_host_irq: bt-wake-host-irq {
+ rockchip,pins = <0 RK_PC5 RK_FUNC_GPIO &pcfg_pull_down>;
+ };
+ };
};

&pwm1 {
@@ -767,6 +781,28 @@ &uart2 {
status = "okay";
};

+&uart6 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&uart6m1_xfer &uart6m1_ctsn &uart6m1_rtsn>;
+ status = "okay";
+
+ bluetooth {
+ compatible = "brcm,bcm43438-bt";
+ clocks = <&hym8563>;
+ clock-names = "lpo";
+ interrupt-parent = <&gpio0>;
+ interrupts = <RK_PC5 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "host-wakeup";
+ device-wakeup-gpios = <&gpio3 RK_PD5 GPIO_ACTIVE_HIGH>;
+ shutdown-gpios = <&gpio3 RK_PA6 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>;
+ };
+};
+
&usbdp_phy1 {
status = "okay";
};
--
2.43.0