From nobody Mon Feb 9 09:47:19 2026 Received: from bali.collaboradmins.com (bali.collaboradmins.com [148.251.105.195]) (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 8CFDF35E523; Thu, 15 Jan 2026 11:36:15 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=148.251.105.195 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768476976; cv=none; b=NaPILQtQzdb9KkEmJZ8vZzmD+WqXpdH6WFmCDo1VsY9+0zqJtbAQMniOWeXEw3WS+xKXKxGeg6lqPztyoc7aBZujAj2lrVpouLDxe5z+ScrkTs649+RkjWLW0KgJiG8uipzLpulRa0PWZkrwvUbFrBtf+l2RKWmhwYS1NYAI7UI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768476976; c=relaxed/simple; bh=2838NbiS+1I9aTZDaFkizTzSaYb5pk5Dt6Y8NWiwHvs=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=XNaXaawEhGMqOzPAAexj0+o8Boy/NfqyY2Wqv2PClTaeTowcltnBD7A4PNrrS/xovnvHXFD3HEOuT4Q1BTk8WqgWdwaYdvmPfi9LWWQ+CAjycmcYYJVUd/OSu3PlluB7poqyDB8XTA+MB/abiGmG3R7NWlD4NAi/TRAPiph2cYM= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com; spf=pass smtp.mailfrom=collabora.com; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b=YH/+Oh2S; arc=none smtp.client-ip=148.251.105.195 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 (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b="YH/+Oh2S" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1768476973; bh=2838NbiS+1I9aTZDaFkizTzSaYb5pk5Dt6Y8NWiwHvs=; h=From:To:Cc:Subject:Date:From; b=YH/+Oh2Sn6E8FX9gjDRLpQxpEiu4eghAuxWK4GQUOjPW39tWQ+OyjPq38gSq1ofMB XCFO9JZeEA/girDwkQfCPaUZcdzAkikPemTM1X5kS9x2AcNwLLcF3gT8rPOhS95Nuc 1p4trT55hIO2OepyiRJ6qaOpfQfuWanKI4Wle+YItrfbU0DHFkkOwOpQ5tbq25XuBL nEc6yU7NSEGFzhH3z5yFQ78YpAPlRJaUCS5e685rCmQlw7/y84eLCct0X09U5bLlxz 3K+2sniULZLkZOgqR47ylgaJECTNDwQ3zPpM2S//ZwrsztZGRdMmsRAsJA5Px1v1/e qlDl+eOx2A+/w== Received: from IcarusMOD.eternityproject.eu (2-237-20-237.ip236.fastwebnet.it [2.237.20.237]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: kholk11) by bali.collaboradmins.com (Postfix) with ESMTPSA id 6B8A317E01E7; Thu, 15 Jan 2026 12:36:13 +0100 (CET) From: AngeloGioacchino Del Regno To: linux-mediatek@lists.infradead.org Cc: robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, matthias.bgg@gmail.com, angelogioacchino.delregno@collabora.com, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, kernel@collabora.com Subject: [PATCH] arm64: dts: mediatek: mt8186-evb: Add vproc fixed regulator Date: Thu, 15 Jan 2026 12:36:08 +0100 Message-ID: <20260115113608.64817-1-angelogioacchino.delregno@collabora.com> X-Mailer: git-send-email 2.52.0 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 Content-Type: text/plain; charset="utf-8" This board at the moment has no support for PMIC regulators, but the CCI requires a vproc regulator in order to both stop giving dtbs_check warnings and to actually probe. Since vproc is a system-critical regulator and the bootloader enables it at max voltage, model it (at least temporarily) as a regulator-fixed and assign it to CCI. Signed-off-by: AngeloGioacchino Del Regno --- arch/arm64/boot/dts/mediatek/mt8186-evb.dts | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/arch/arm64/boot/dts/mediatek/mt8186-evb.dts b/arch/arm64/boot/= dts/mediatek/mt8186-evb.dts index 2667a7424200..a941a931a07c 100644 --- a/arch/arm64/boot/dts/mediatek/mt8186-evb.dts +++ b/arch/arm64/boot/dts/mediatek/mt8186-evb.dts @@ -22,6 +22,19 @@ memory@40000000 { device_type =3D "memory"; reg =3D <0 0x40000000 0 0x80000000>; }; + + vproc: regulator-vproc12 { + compatible =3D "regulator-fixed"; + regulator-name =3D "vproc12"; + regulator-always-on; + regulator-boot-on; + regulator-min-microvolt =3D <1200000>; + regulator-max-microvolt =3D <1200000>; + }; +}; + +&cci { + proc-supply =3D <&vproc>; }; =20 &i2c0 { --=20 2.52.0