[PATCH v2 4/4] riscv: dts: spacemit: k3: add rfkill node for WLAN

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
WiFi driver or userspace toggle it as required.

Tested-by: Anirudh Srinivasan <[email protected]>
Signed-off-by: Aurelien Jarno <[email protected]>
---
 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 37d3422af32ac..d1e53cfbc9030 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";
-- 
2.53.0