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From: Alexey Charkov <alchark@gmail.com>
To: Rob Herring <robh+dt@kernel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Heiko Stuebner <heiko@sntech.de>,
	Sebastian Reichel <sebastian.reichel@collabora.com>,
	Cristian Ciocaltea <cristian.ciocaltea@collabora.com>,
	Christopher Obbard <chris.obbard@collabora.com>,
	=?UTF-8?q?Tam=C3=A1s=20Sz=C5=B1cs?= <szucst@iit.uni-miskolc.hu>,
	Shreeya Patel <shreeya.patel@collabora.com>,
	devicetree@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-rockchip@lists.infradead.org,
	linux-kernel@vger.kernel.org
Cc: Alexey Charkov <alchark@gmail.com>
Subject: [PATCH] arm64: dts: rockchip: add rfkill node for M.2 Key E WiFi on rock-5b
Date: Sun,  7 Jan 2024 00:26:45 +0400
Message-ID: <20240106202650.22310-1-alchark@gmail.com>
Precedence: bulk
MIME-Version: 1.0
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By default the GPIO pin that connects to the WiFi enable signal
inside the M.2 Key E slot 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.

Signed-off-by: Alexey Charkov <alchark@gmail.com>
---
 arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts b/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts
index 741f631db345..a5a104131403 100644
--- a/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts
@@ -59,6 +59,13 @@ fan: pwm-fan {
 		#cooling-cells = <2>;
 	};
 
+	rfkill {
+		compatible = "rfkill-gpio";
+		label = "rfkill-pcie-wlan";
+		radio-type = "wlan";
+		shutdown-gpios = <&gpio4 RK_PA2 GPIO_ACTIVE_HIGH>;
+	};
+
 	vcc3v3_pcie2x1l0: vcc3v3-pcie2x1l0-regulator {
 		compatible = "regulator-fixed";
 		enable-active-high;
-- 
2.43.0