[PATCH v5 4/5] riscv: dts: spacemit: k3: add rfkill node for WLAN on the K3 Pico-ITX board
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COOLING8d
IN LINUX-NEXT: 1 (0M)
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
1 review trailer; queued in linux-next as 2f3b7240a4c2 on 2026-10-02.
On the K3 Pico-ITX board, by default the GPIO pin that connects to the RTL8852BE WLAN enable signal is driven low, resulting in impossibility to connect to any network. Add a DT node to expose it as an RFKILL device, which lets the WLAN 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 d3f256dffb4fd..dda420900aa2c 100644
--- a/arch/riscv/boot/dts/spacemit/k3-pico-itx.dts
+++ b/arch/riscv/boot/dts/spacemit/k3-pico-itx.dts@@ -44,6 +44,13 @@ reg_aux_vcc5v: regulator-aux-vcc5v { regulator-always-on; }; + rfkill-pcie-wlan { + compatible = "rfkill-gpio"; + label = "rfkill-pcie-wlan"; + radio-type = "wlan"; + shutdown-gpios = <&gpio 1 3 GPIO_ACTIVE_HIGH>; + }; + rfkill-usb-bt { compatible = "rfkill-gpio"; label = "rfkill-usb-bt";
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2.53.0