From nobody Fri Apr 3 22:34:59 2026 Received: from courrier.aliel.fr (pouet.aliel.fr [65.21.61.41]) (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 4B8E938655E; Mon, 23 Mar 2026 09:58:27 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=65.21.61.41 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774259909; cv=none; b=fLDVs9dORnLtulhvaKD244YpBPWwlaux6K1N2vWhuuF8TmrgrChCbr48xR7QbWCE+9csiH5NS7Yn15kCenP+5lKZidxMLtXA2mZ4ZfvkohKm5hYa/maxI2pCuY2WPfeaoLb59DLaldo6jGa2R6EFnav8goWEUDafu2MyU6SBo+s= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774259909; c=relaxed/simple; bh=OHhaocqrcyvsfcC4nwRCQzXz7HSpal5P8Pl4jRGYs5Q=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=V9kzwHNvLoohKLDyg9UC1bTbK8xE9Nh0f0F03z9BbiPLPxV7EmOgYCoq5UgLGOycS/PR7cgboy26Wj+4xrwubUHK0ara8VJ8DDN7jV1F1re6mA/iWzIiOe4FKFt/lTUzFjaCEweNMqfRbZPDQs22l8rxAYfom2mUhrtOY8ErKQI= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=aliel.fr; spf=pass smtp.mailfrom=aliel.fr; dkim=pass (1024-bit key) header.d=aliel.fr header.i=@aliel.fr header.b=OUTZmbQQ; arc=none smtp.client-ip=65.21.61.41 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=aliel.fr Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=aliel.fr Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=aliel.fr header.i=@aliel.fr header.b="OUTZmbQQ" From: Ronald Claveau DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=aliel.fr; s=courrier-s1; t=1774259903; bh=OHhaocqrcyvsfcC4nwRCQzXz7HSpal5P8Pl4jRGYs5Q=; h=From:Date:Subject:References:In-Reply-To:To:Cc; b=OUTZmbQQlN/RqGWdkrOHanbOL8AdBU2wDAOdjiUgc/It7IDE4YwAAr7QokoV3NLR7 p2P/PM8l+pXNMxPkqnOBglk/Supq9KRFLr271a73gZQ0T4PXBcVUVRMdXqvS9OZxht 5nfc0l1InUaIBfb1pu0xrWoNYCK1pNatSSJ8Y4oU= Date: Mon, 23 Mar 2026 10:55:32 +0100 Subject: [PATCH v3 7/9] arm64: dts: amlogic: t7: khadas-vim4: Add SDIO power sequence and WiFi clock 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: <20260323-add-emmc-t7-vim4-v3-7-5159d90a984c@aliel.fr> References: <20260323-add-emmc-t7-vim4-v3-0-5159d90a984c@aliel.fr> In-Reply-To: <20260323-add-emmc-t7-vim4-v3-0-5159d90a984c@aliel.fr> To: Neil Armstrong , Kevin Hilman , Jerome Brunet , Martin Blumenstingl , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Ulf Hansson , Johannes Berg , van Spriel Cc: linux-arm-kernel@lists.infradead.org, linux-amlogic@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mmc@vger.kernel.org, linux-wireless@vger.kernel.org, Ronald Claveau X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=openssh-sha256; t=1774259895; l=1444; i=linux-kernel-dev@aliel.fr; s=id_ed25519; h=from:subject:message-id; bh=OHhaocqrcyvsfcC4nwRCQzXz7HSpal5P8Pl4jRGYs5Q=; b=U1NIU0lHAAAAAQAAADMAAAALc3NoLWVkMjU1MTkAAAAgMGec55oxeeisqykQiUedekMYyOnR9 BG9E/7rDWyqdNoAAAAGcGF0YXR0AAAAAAAAAAZzaGE1MTIAAABTAAAAC3NzaC1lZDI1NTE5AAAA QA2+JhnbgwDiwkQMZUUK1kdfqFB6gHx/VO/wHVQT2TwQo4rpGN3NvKqU74eiBj0Fbt6jWjlYGAc Sh7XzGYO9TQg= X-Developer-Key: i=linux-kernel-dev@aliel.fr; a=openssh; fpr=SHA256:kch4osYZ6A1BrPps5AUs6KnfdE2wm4ocMtyTc8TmZMs Add the SDIO power sequence node using mmc-pwrseq-simple and a 32.768kHz PWM-based clock required by the Wi-Fi module. Signed-off-by: Ronald Claveau --- .../dts/amlogic/amlogic-t7-a311d2-khadas-vim4.dts | 22 ++++++++++++++++++= ++++ 1 file changed, 22 insertions(+) diff --git a/arch/arm64/boot/dts/amlogic/amlogic-t7-a311d2-khadas-vim4.dts = b/arch/arm64/boot/dts/amlogic/amlogic-t7-a311d2-khadas-vim4.dts index 2450084d37642..770f06b0b16c7 100644 --- a/arch/arm64/boot/dts/amlogic/amlogic-t7-a311d2-khadas-vim4.dts +++ b/arch/arm64/boot/dts/amlogic/amlogic-t7-a311d2-khadas-vim4.dts @@ -67,6 +67,15 @@ sd_3v3: regulator-sdcard-3v3 { regulator-always-on; }; =20 + sdio_pwrseq: sdio-pwrseq { + compatible =3D "mmc-pwrseq-simple"; + reset-gpios =3D <&gpio GPIOX_6 GPIO_ACTIVE_LOW>; + post-power-on-delay-ms =3D <500>; + power-off-delay-us =3D <200000>; + clocks =3D <&wifi32k>; + clock-names =3D "ext_clock"; + }; + vcc5v: regulator-vcc-5v { compatible =3D "regulator-fixed"; regulator-name =3D "VCC5V"; @@ -135,6 +144,19 @@ vddio_c: regulator-gpio-c { states =3D <1800000 1 3300000 0>; }; + + wifi32k: wifi32k { + compatible =3D "pwm-clock"; + #clock-cells =3D <0>; + clock-frequency =3D <32768>; + pwms =3D <&pwm_ab 0 30518 0>; + }; +}; + +&pwm_ab { + status =3D "okay"; + pinctrl-0 =3D <&pwm_a_pins>; + pinctrl-names =3D "default"; }; =20 &uart_a { --=20 2.49.0