From nobody Wed Oct 8 09:47:05 2025 Received: from sender4-pp-f112.zoho.com (sender4-pp-f112.zoho.com [136.143.188.112]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 57F7E28ECF5; Mon, 30 Jun 2025 15:37:08 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=pass smtp.client-ip=136.143.188.112 ARC-Seal: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751297830; cv=pass; b=d8ZNAQwr02KCRc5NeoiwuhL5K/UWIMbQJg5/SkjEIssg2WeNZmag/hSvzyaLlx08Vvv4e5CnMT4txMUQPJG3XSjrAoWybnoy0aje5nVthbCIb+dLC4RWD/wnJbRRwh3yN0KO9MrjwMxx1eAzHRCwxhxHuZVrpEZjOUBI45NrZKs= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751297830; c=relaxed/simple; bh=JKmV6Ad2IrDsWdsxwIjzgxPx/Lk5IHZEX1zBLgerrlM=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=RNShuyUCWXkVCEXeO+f8IfxAlPxAecApP64QhAVUawYf7Xn898EuU2suSYkiqep/oaKguW/3gjWrOHXzwn4SleaJJ/MHSXjRfOHAxT8DtXYijyYth5m9oK24IJeMVJWU7AQ+IHtfQ/p9gNQFDj8pnvvm5Bo/7qB5ALaiuLyD798= ARC-Authentication-Results: i=2; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com; spf=pass smtp.mailfrom=collabora.com; dkim=pass (1024-bit key) header.d=collabora.com header.i=nicolas.frattaroli@collabora.com header.b=lHu1l7Kw; arc=pass smtp.client-ip=136.143.188.112 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=collabora.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=collabora.com header.i=nicolas.frattaroli@collabora.com header.b="lHu1l7Kw" ARC-Seal: i=1; a=rsa-sha256; t=1751297811; cv=none; d=zohomail.com; s=zohoarc; b=dFpvo546i+o+0y0ZvSbc31+hjS8gKxW1/ScGQz8pMXWQaUP6keGdnEXNn1vDQtnWxB2f6MezYHuD7ZmrNRYeHM72bxNK4YO+379tAwBUmk1YOZ+l/Meh9Z/QkCMIx48JMTBtEY80T8E9Jtwo5P3X1GN9JHGCBHNrEeGbzqYDew8= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1751297811; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:MIME-Version:Message-ID:References:Subject:Subject:To:To:Message-Id:Reply-To; bh=FOdigrsQQpd9WEDOm3Dn2iOG8VrxDhh0NLeJNZe4Nnc=; b=oJMTHy6RS+SNua2Oey07DPgnVQqj4kf5CLeMUyC4+aK+CRTFv7Zhb1iFKCj0+Phi+w3Qs2MjtLiFNboxCm6WTD/4VLpMdXH4fFaX/be4QAY008W5XXpzvvTuGAHSCpoNgt4CismBq+pERyf4vznU1CD5tVtObuu8VXM0Uw+3o8k= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass header.i=collabora.com; spf=pass smtp.mailfrom=nicolas.frattaroli@collabora.com; dmarc=pass header.from= DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; t=1751297811; s=zohomail; d=collabora.com; i=nicolas.frattaroli@collabora.com; h=From:From:Date:Date:Subject:Subject:MIME-Version:Content-Type:Content-Transfer-Encoding:Message-Id:Message-Id:References:In-Reply-To:To:To:Cc:Cc:Reply-To; bh=FOdigrsQQpd9WEDOm3Dn2iOG8VrxDhh0NLeJNZe4Nnc=; b=lHu1l7KwuXmeDwZ2n6b+4WYUWxphCYFKunVzmOTwVc+4A3K6fky4lln7962lzB57 n9W8aY+0D2BwckIBtvr+sgDQ4brFosfJR6DARiRvAck6vTACN32VP/eQFXi82CBbhkQ QbiWHBkj8ReGiaTTE+WvuAkS3+gN+M0Xa1wFLTLI= Received: by mx.zohomail.com with SMTPS id 1751297810110842.1922689401597; Mon, 30 Jun 2025 08:36:50 -0700 (PDT) From: Nicolas Frattaroli Date: Mon, 30 Jun 2025 17:36:35 +0200 Subject: [PATCH 3/3] arm64: dts: rockchip: theoretically enable Wi-Fi on ROCK 4D Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250630-rock4d-reg-usb-wifi-v1-3-1057f412d98c@collabora.com> References: <20250630-rock4d-reg-usb-wifi-v1-0-1057f412d98c@collabora.com> In-Reply-To: <20250630-rock4d-reg-usb-wifi-v1-0-1057f412d98c@collabora.com> To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Heiko Stuebner Cc: kernel@collabora.com, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, Nicolas Frattaroli X-Mailer: b4 0.14.2 The production version of the ROCK 4D appears to sport a AICSEMI AIC8800D80 USB Wi-Fi + BT chipset. This chip does not yet have a mainline driver. Add the necessary rfkill node and wifi regulator node to at least make it show up in lsusb output. The regulator is set as always-on, as like 2 hours deep into debugging why onboard_usb_dev.c wouldn't try enabling the regulator the device needs to actually show up and thus bind to onboard_usb_dev.c, I decided that it's not worth the effort. Signed-off-by: Nicolas Frattaroli --- arch/arm64/boot/dts/rockchip/rk3576-rock-4d.dts | 30 +++++++++++++++++++++= ++++ 1 file changed, 30 insertions(+) diff --git a/arch/arm64/boot/dts/rockchip/rk3576-rock-4d.dts b/arch/arm64/b= oot/dts/rockchip/rk3576-rock-4d.dts index ed8b018539acb77328627c24b88a5a220fe085d2..291b6e4ffdac86280280de49c30= de7ddde80462b 100644 --- a/arch/arm64/boot/dts/rockchip/rk3576-rock-4d.dts +++ b/arch/arm64/boot/dts/rockchip/rk3576-rock-4d.dts @@ -37,6 +37,14 @@ hdmi_con_in: endpoint { }; }; =20 + rfkill { + compatible =3D "rfkill-gpio"; + pinctrl-names =3D "default"; + pinctrl-0 =3D <&wifi_en_h>; + radio-type =3D "wlan"; + shutdown-gpios =3D <&gpio2 RK_PD1 GPIO_ACTIVE_HIGH>; + }; + leds: leds { compatible =3D "gpio-leds"; pinctrl-names =3D "default"; @@ -159,6 +167,19 @@ vcc_3v3_ufs_s0: regulator-vcc-ufs-s0 { vin-supply =3D <&vcc_5v0_sys>; }; =20 + vcc_3v3_wifi: regulator-vcc-3v3-wifi { + compatible =3D "regulator-fixed"; + enable-active-high; + gpios =3D <&gpio2 RK_PC7 GPIO_ACTIVE_HIGH>; + pinctrl-names =3D "default"; + pinctrl-0 =3D <&usb_wifi_pwr>; + regulator-always-on; + regulator-min-microvolt =3D <3300000>; + regulator-max-microvolt =3D <3300000>; + regulator-name =3D "vcc_3v3_wifi"; + vin-supply =3D <&vcc_3v3_s3>; + }; + vcc_5v0_device: regulator-vcc-5v0-device { compatible =3D "regulator-fixed"; regulator-always-on; @@ -703,6 +724,15 @@ usb_otg_pwren: usb-otg-pwren { =20 }; }; + + wifi { + usb_wifi_pwr: usb-wifi-pwr { + rockchip,pins =3D <2 RK_PC7 RK_FUNC_GPIO &pcfg_pull_down>; + }; + wifi_en_h: wifi-en-h { + rockchip,pins =3D <2 RK_PD1 RK_FUNC_GPIO &pcfg_pull_down>; + }; + }; }; =20 &sdmmc { --=20 2.50.0