[PATCH v5 3/5] riscv: dts: spacemit: k3: add rfkill node for Bluetooth on Pico-ITX board
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From: Aurelien Jarno <aurelien@aurel32.net>
Date: 2026-09-28 20:50:55
Also in:
linux-riscv, lkml, spacemit
Subsystem:
risc-v architecture, risc-v spacemit soc support, the rest · Maintainers:
Paul Walmsley, Palmer Dabbelt, Albert Ou, Yixun Lan, Linus Torvalds
Revision v5 of 3 in this series; 1 review trailer; queued in linux-next as ea5cef6d5f3b on 2026-10-02.
Revisions (3)
- v3 [diff vs current]
- v3 [diff vs current]
- v5 current
On the K3 Pico-ITX board, by default the GPIO pin that connects to the RTL8852BE Bluetooth enable signal is driven low, resulting in impossibility to use Bluetooth. Add a DT node to expose it as an RFKILL device, which lets the Bluetooth driver or userspace toggle it as required. Tested-by: Anirudh Srinivasan <redacted> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> --- arch/riscv/boot/dts/spacemit/k3-pico-itx.dts | 7 +++++++ 1 file changed, 7 insertions(+)
diff --git a/arch/riscv/boot/dts/spacemit/k3-pico-itx.dts b/arch/riscv/boot/dts/spacemit/k3-pico-itx.dts
index 5aa6fa89cab58..d3f256dffb4fd 100644
--- a/arch/riscv/boot/dts/spacemit/k3-pico-itx.dts
+++ b/arch/riscv/boot/dts/spacemit/k3-pico-itx.dts@@ -43,6 +43,13 @@ reg_aux_vcc5v: regulator-aux-vcc5v { regulator-max-microvolt = <5000000>; regulator-always-on; }; + + rfkill-usb-bt { + compatible = "rfkill-gpio"; + label = "rfkill-usb-bt"; + radio-type = "bluetooth"; + shutdown-gpios = <&gpio 0 30 GPIO_ACTIVE_HIGH>; + }; }; &i2c2 {
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2.53.0