From nobody Fri Oct 3 13:34:16 2025 Received: from mail-m49198.qiye.163.com (mail-m49198.qiye.163.com [45.254.49.198]) (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 D6E9D30BBBB; Mon, 1 Sep 2025 10:00:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=45.254.49.198 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756720849; cv=none; b=hNRQjuTJLrBypL6jOS0XJ5qDDhWW2FOSJlQ9kev9aobpIqD0xo0zqKuF61YJL6/izpnnPBwP7rvZZ7ko2Yg5tD9Sw2W9/8429itOnfe1uTc4CLw2QqQ6e4qUexJjPv8Z0WnDK/H1akKjBMAbDlHZBjWWK/d9B3ZFzMMA6wc5o1E= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756720849; c=relaxed/simple; bh=5Qe7f5J63QcwqQwHAbUe3ZEVFRLNutzhqOSqZ4JRpSE=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=Ez0hZdoi9CZTy6Lr5Fem+qWxlm1OoOwuz6kr7mpnsWT1vf/56jZcY+3oMLFCOoGccFErnt7l3EChknyEO1ALnNVpj/egVSn3WE+tGCo5Ye/gFHIEc8OCXU1qYvkUhvfKKyW6y7kHj9XAaJb+zPD28JZeGQPUJ4+QHueAPg+hfe4= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=jmu.edu.cn; spf=pass smtp.mailfrom=jmu.edu.cn; arc=none smtp.client-ip=45.254.49.198 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=jmu.edu.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=jmu.edu.cn Received: from localhost.localdomain (unknown [119.122.212.9]) by smtp.qiye.163.com (Hmail) with ESMTP id 2148c25ad; Mon, 1 Sep 2025 18:00:36 +0800 (GMT+08:00) From: Chukun Pan To: Heiko Stuebner Cc: Chukun Pan , FUKAUMI Naoki , Conor Dooley , Krzysztof Kozlowski , Rob Herring , linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org Subject: [PATCH v3 2/3] arm64: dts: rockchip: remove vcc_3v3_pmu regulator for Radxa E52C Date: Mon, 1 Sep 2025 18:00:26 +0800 Message-Id: <20250901100027.164594-3-amadeus@jmu.edu.cn> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20250901100027.164594-1-amadeus@jmu.edu.cn> References: <20250901100027.164594-1-amadeus@jmu.edu.cn> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-HM-Tid: 0a9904b8b0b103a2kunmfa64e5773746c8 X-HM-MType: 10 X-HM-Spam-Status: e1kfGhgUHx5ZQUpXWQgPGg8OCBgUHx5ZQUlOS1dZFg8aDwILHllBWSg2Ly tZV1koWUFITzdXWS1ZQUlXWQ8JGhUIEh9ZQVlDGBlOVk1NTxhNQ0xNS0NKQ1YeHw5VEwETFhoSFy QUDg9ZV1kYEgtZQVlKSkJVSklJVUlKSVVCWVdZFhoPEhUdFFlBWU9LSFVKS0hKTkxOVUpLS1VKQk tLWQY+ Content-Type: text/plain; charset="utf-8" According to Radxa E52C Schematic V1.2 [1] page 5, vcc_3v3_pmu is directly connected to vcc_3v3_s3 via a 0 ohm resistor. The vcc_3v3_pmu is not a new regulator, so remove it. [1] https://dl.radxa.com/e/e52c/hw/radxa_e52c_v1.2_schematic.pdf Signed-off-by: Chukun Pan --- arch/arm64/boot/dts/rockchip/rk3582-radxa-e52c.dts | 12 +----------- 1 file changed, 1 insertion(+), 11 deletions(-) diff --git a/arch/arm64/boot/dts/rockchip/rk3582-radxa-e52c.dts b/arch/arm6= 4/boot/dts/rockchip/rk3582-radxa-e52c.dts index 1883bd183396..302a30e423ad 100644 --- a/arch/arm64/boot/dts/rockchip/rk3582-radxa-e52c.dts +++ b/arch/arm64/boot/dts/rockchip/rk3582-radxa-e52c.dts @@ -98,16 +98,6 @@ vcc_1v1_nldo_s3: regulator-1v1 { vin-supply =3D <&vcc_sysin>; }; =20 - vcc_3v3_pmu: regulator-3v3-0 { - compatible =3D "regulator-fixed"; - regulator-name =3D "vcc_3v3_pmu"; - regulator-always-on; - regulator-boot-on; - regulator-min-microvolt =3D <3300000>; - regulator-max-microvolt =3D <3300000>; - vin-supply =3D <&vcc_3v3_s3>; - }; - vcc_3v3_s0: regulator-3v3-1 { compatible =3D "regulator-fixed"; regulator-name =3D "vcc_3v3_s0"; @@ -542,7 +532,7 @@ regulator-state-mem { }; }; =20 - vcc_3v3_s3: dcdc-reg8 { + vcc_3v3_s3: vcc_3v3_pmu: dcdc-reg8 { regulator-name =3D "vcc_3v3_s3"; regulator-always-on; regulator-boot-on; --=20 2.25.1