From nobody Fri Apr 3 03:01:57 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 08B6F39B960; Wed, 25 Mar 2026 09:18:52 +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=1774430334; cv=none; b=MW7j+22Fl0Dy2wWfJA1qE6VIWp1nK5ZXLcgGrSuLvsBzr9h035HdbQJAgLmSQXmIJntcXp4E9j0owhka5BS4tWBhYlJZtBhMrNEBcrP52weXI0lqVnxOXoDsaEmMBUSIyWnBpRY6Zi6wNh0z0iIP/OncUq4N4e3mzI72Nvgh5sA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774430334; c=relaxed/simple; bh=ZPh1Ffg46SESKBriWMqpzSn5XjrMVWuNy3WH4xfUZ5A=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=IK0srlAmK9ZIzxZmmNn+oHr9gKz1SEAL+Up8qAyzCH+W1kyDPswz9aKjc7wTj7Dz5g05ymV8mnpxr2/PoLVuGy8OPiFBincSKt+HG51mwG0aUOFgaEp34mYS5/Y+pTscQ1YcoV8XEmGdH5SqDiqY/NeH0pLt89koLhBc1oPbing= 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=dzTVuTC5; 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="dzTVuTC5" From: Ronald Claveau DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=aliel.fr; s=courrier-s1; t=1774430331; bh=ZPh1Ffg46SESKBriWMqpzSn5XjrMVWuNy3WH4xfUZ5A=; h=From:Date:Subject:References:In-Reply-To:To:Cc; b=dzTVuTC5zPXMtasFswnQ4vNUnaENWVzMGRN4c3svrOmW8evsqu1aMapET4KHxqFfZ jS+1iXNvAdYdvqzvL+etp8TMp0Ov3HgrrtfgcHrsnJV0AUSo0+vS0Pzz9lDJVh0pZM pNTmUy4EOnZs+lwvqcexoYc0HO3W7KuQRRiI0ink= Date: Wed, 25 Mar 2026 10:15:24 +0100 Subject: [PATCH v4 6/9] arm64: dts: amlogic: t7: khadas-vim4: Add power regulators 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: <20260325-add-emmc-t7-vim4-v4-6-44c7b4a5e459@aliel.fr> References: <20260325-add-emmc-t7-vim4-v4-0-44c7b4a5e459@aliel.fr> In-Reply-To: <20260325-add-emmc-t7-vim4-v4-0-44c7b4a5e459@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=1774430324; l=3369; i=linux-kernel-dev@aliel.fr; s=id_ed25519; h=from:subject:message-id; bh=ZPh1Ffg46SESKBriWMqpzSn5XjrMVWuNy3WH4xfUZ5A=; b=U1NIU0lHAAAAAQAAADMAAAALc3NoLWVkMjU1MTkAAAAgMGec55oxeeisqykQiUedekMYyOnR9 BG9E/7rDWyqdNoAAAAGcGF0YXR0AAAAAAAAAAZzaGE1MTIAAABTAAAAC3NzaC1lZDI1NTE5AAAA QG4mtFJreViV9hNdiyUs7lCXnJujgNvwx0kOc24yyIFMigIldRfQ1gsOzM0bOrXNpHc/do7dkTC amnNwJn30DQ4= X-Developer-Key: i=linux-kernel-dev@aliel.fr; a=openssh; fpr=SHA256:kch4osYZ6A1BrPps5AUs6KnfdE2wm4ocMtyTc8TmZMs Add voltage regulator nodes describing the VIM4 power tree, required by peripheral nodes such as the SD card controller. Signed-off-by: Ronald Claveau Reviewed-by: Neil Armstrong --- .../dts/amlogic/amlogic-t7-a311d2-khadas-vim4.dts | 90 ++++++++++++++++++= ++++ 1 file changed, 90 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 fffdab96b12eb..2450084d37642 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 @@ -6,6 +6,8 @@ /dts-v1/; =20 #include "amlogic-t7.dtsi" +#include +#include =20 / { model =3D "Khadas vim4"; @@ -45,6 +47,94 @@ xtal: xtal-clk { #clock-cells =3D <0>; }; =20 + dc_in: regulator-dc-in { + compatible =3D "regulator-fixed"; + regulator-name =3D "DC_IN"; + regulator-min-microvolt =3D <5000000>; + regulator-max-microvolt =3D <5000000>; + regulator-always-on; + }; + + sd_3v3: regulator-sdcard-3v3 { + compatible =3D "regulator-fixed"; + regulator-name =3D "SD_3V3"; + regulator-min-microvolt =3D <3300000>; + regulator-max-microvolt =3D <3300000>; + vin-supply =3D <&vddao_3v3>; + gpio =3D <&gpio GPIOD_11 GPIO_ACTIVE_LOW>; + regulator-boot-on; + enable-active-low; + regulator-always-on; + }; + + vcc5v: regulator-vcc-5v { + compatible =3D "regulator-fixed"; + regulator-name =3D "VCC5V"; + regulator-min-microvolt =3D <5000000>; + regulator-max-microvolt =3D <5000000>; + vin-supply =3D <&dc_in>; + + gpio =3D <&gpio GPIOH_4 GPIO_ACTIVE_HIGH>; + enable-active-high; + }; + + vcc5v0_usb: regulator-vcc-usb { + compatible =3D "regulator-fixed"; + regulator-name =3D "VCC5V0_USB"; + regulator-min-microvolt =3D <5000000>; + regulator-max-microvolt =3D <5000000>; + vin-supply =3D <&vcc5v>; + + gpio =3D <&gpio GPIOY_5 GPIO_ACTIVE_HIGH>; + enable-active-high; + }; + + vddao_1v8: regulator-vddao-1v8 { + compatible =3D "regulator-fixed"; + regulator-name =3D "VDDAO_1V8"; + regulator-min-microvolt =3D <1800000>; + regulator-max-microvolt =3D <1800000>; + vin-supply =3D <&vddao_3v3>; + regulator-always-on; + }; + + vddao_3v3: regulator-vddao-3v3 { + compatible =3D "regulator-fixed"; + regulator-name =3D "VDDAO_3V3"; + regulator-min-microvolt =3D <3300000>; + regulator-max-microvolt =3D <3300000>; + vin-supply =3D <&dc_in>; + regulator-always-on; + }; + + vddio_1v8: regulator-vddio-1v8 { + compatible =3D "regulator-fixed"; + regulator-name =3D "VDDIO_1V8"; + regulator-min-microvolt =3D <1800000>; + regulator-max-microvolt =3D <1800000>; + vin-supply =3D <&vddio_3v3>; + regulator-always-on; + }; + + vddio_3v3: regulator-vddio-3v3 { + compatible =3D "regulator-fixed"; + regulator-name =3D "VDDIO_3V3"; + regulator-min-microvolt =3D <3300000>; + regulator-max-microvolt =3D <3300000>; + vin-supply =3D <&vddao_3v3>; + regulator-always-on; + }; + + vddio_c: regulator-gpio-c { + compatible =3D "regulator-gpio"; + regulator-name =3D "VDDIO_C"; + regulator-min-microvolt =3D <1800000>; + regulator-max-microvolt =3D <3300000>; + vin-supply =3D <&vddio_3v3>; + gpios =3D <&gpio GPIOD_9 GPIO_ACTIVE_HIGH>; + states =3D <1800000 1 + 3300000 0>; + }; }; =20 &uart_a { --=20 2.49.0