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From: Aurelien Jarno <aurelien@aurel32.net>
To: linux-kernel@vger.kernel.org, Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>, Yixun Lan <dlan@kernel.org>,
	Paul Walmsley <pjw@kernel.org>,
	Palmer Dabbelt <palmer@dabbelt.com>,
	Albert Ou <aou@eecs.berkeley.edu>,
	Alexandre Ghiti <alex@ghiti.fr>
Cc: Aurelien Jarno <aurelien@aurel32.net>,
	Anirudh Srinivasan <asrinivasan@oss.tenstorrent.com>,
	devicetree@vger.kernel.org (open list:OPEN FIRMWARE AND
	FLATTENED DEVICE TREE BINDINGS),
	linux-riscv@lists.infradead.org (open list:RISC-V SPACEMIT SoC
	Support),
	spacemit@lists.linux.dev (open list:RISC-V SPACEMIT SoC Support)
Subject: [PATCH v5 4/5] riscv: dts: spacemit: k3: add rfkill node for WLAN on the K3 Pico-ITX board
Date: Mon, 28 Sep 2026 22:49:09 +0200	[thread overview]
Message-ID: <20260928205012.3689405-5-aurelien@aurel32.net> (raw)
In-Reply-To: <20260928205012.3689405-1-aurelien@aurel32.net>

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 <asrinivasan@oss.tenstorrent.com>
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";
-- 
2.53.0


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WARNING: multiple messages have this Message-ID (diff)
From: Aurelien Jarno <aurelien@aurel32.net>
To: linux-kernel@vger.kernel.org, Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>, Yixun Lan <dlan@kernel.org>,
	Paul Walmsley <pjw@kernel.org>,
	Palmer Dabbelt <palmer@dabbelt.com>,
	Albert Ou <aou@eecs.berkeley.edu>,
	Alexandre Ghiti <alex@ghiti.fr>
Cc: Aurelien Jarno <aurelien@aurel32.net>,
	Anirudh Srinivasan <asrinivasan@oss.tenstorrent.com>,
	devicetree@vger.kernel.org (open list:OPEN FIRMWARE AND
	FLATTENED DEVICE TREE BINDINGS),
	linux-riscv@lists.infradead.org (open list:RISC-V SPACEMIT SoC
	Support),
	spacemit@lists.linux.dev (open list:RISC-V SPACEMIT SoC Support)
Subject: [PATCH v5 4/5] riscv: dts: spacemit: k3: add rfkill node for WLAN on the K3 Pico-ITX board
Date: Mon, 28 Sep 2026 22:49:09 +0200	[thread overview]
Message-ID: <20260928205012.3689405-5-aurelien@aurel32.net> (raw)
In-Reply-To: <20260928205012.3689405-1-aurelien@aurel32.net>

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 <asrinivasan@oss.tenstorrent.com>
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";
-- 
2.53.0


  parent reply	other threads:[~2026-09-28 20:51 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-09-28 20:49 [PATCH v5 0/5] Enable Bluetooth and WiFi on K3 Pico ITX Aurelien Jarno
2026-09-28 20:49 ` Aurelien Jarno
2026-09-28 20:49 ` [PATCH v5 1/5] riscv: dts: spacemit: k3: move USB3 phy to board level Aurelien Jarno
2026-09-28 20:49   ` Aurelien Jarno
2026-09-28 20:49 ` [PATCH v5 2/5] riscv: dts: spacemit: k3: add USB3 B and C controllers for Pico-ITX board Aurelien Jarno
2026-09-28 20:49   ` Aurelien Jarno
2026-09-28 21:02   ` sashiko-bot
2026-09-28 21:10     ` Aurelien Jarno
2026-09-28 21:10       ` Aurelien Jarno
2026-09-28 20:49 ` [PATCH v5 3/5] riscv: dts: spacemit: k3: add rfkill node for Bluetooth on " Aurelien Jarno
2026-09-28 20:49   ` Aurelien Jarno
2026-09-28 20:49 ` Aurelien Jarno [this message]
2026-09-28 20:49   ` [PATCH v5 4/5] riscv: dts: spacemit: k3: add rfkill node for WLAN on the K3 " Aurelien Jarno
2026-09-28 20:49 ` [PATCH v5 5/5] riscv64: defconfig: Enable BT and WLAN support for SpacemiT " Aurelien Jarno
2026-10-02 10:57 ` [PATCH v5 0/5] Enable Bluetooth and WiFi on K3 Pico ITX Yixun Lan
2026-10-02 10:57   ` Yixun Lan

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