From nobody Sat Sep 21 05:30:54 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id BD4F8C64ED6 for ; Wed, 1 Mar 2023 09:56:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229796AbjCAJ4N (ORCPT ); Wed, 1 Mar 2023 04:56:13 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40746 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229885AbjCAJzj (ORCPT ); Wed, 1 Mar 2023 04:55:39 -0500 Received: from madras.collabora.co.uk (madras.collabora.co.uk [46.235.227.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D6BBC392AA; Wed, 1 Mar 2023 01:55:37 -0800 (PST) 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 madras.collabora.co.uk (Postfix) with ESMTPSA id 297D266020E6; Wed, 1 Mar 2023 09:55:36 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1677664536; bh=8ABzLk/e2rpCHLt16uUykksCJa8zFaozhbox7sQgQPA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=jDpdAPcLUUkMKSd2i4Ita4lKN0g2OI5VS3BvB09Q+chWNGVMOPpOideIk7LMs2dOh t9S0/fbLiYZlvn/1nWgCxRtObYrN7joVanRPx3d3XfYQIIVldT1WR03TvG+rRQR4ov ORAyPsPsrNJ98qutjZrriNituD7SbYQ+wOFnFC/AVwuob4qxVfZu1UT2BmekH03S2i MUsUIMOi163XelGIj5nurZcdFZlyaS1KcTnuYtvl2RUyJhMvS7lzU7uG8O0lb4bSMn PNccE7tZhfPwTjE2wwlCkJrsMtU/CdzkUa4bDG8FOW5aolTbqOoqpsU80/mivtyeKD N9dmdIDoDnikA== From: AngeloGioacchino Del Regno To: matthias.bgg@gmail.com Cc: robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, angelogioacchino.delregno@collabora.com, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, wenst@chromium.org Subject: [PATCH v4 11/19] arm64: dts: mediatek: mt8192-asurada: Fix voltage constraint for Vgpu Date: Wed, 1 Mar 2023 10:55:15 +0100 Message-Id: <20230301095523.428461-12-angelogioacchino.delregno@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230301095523.428461-1-angelogioacchino.delregno@collabora.com> References: <20230301095523.428461-1-angelogioacchino.delregno@collabora.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" The MT8192 SoC specifies a maximum voltage for the GPU's digital supply of 0.88V and the GPU OPPs are declaring a maximum voltage of 0.80V. In order to keep the GPU voltage in the safe range, change the maximum voltage for mt6315@7's vbuck1 to 0.80V as sending, for any mistake, 1.193V would be catastrophic. Fixes: 3183cb62b033 ("arm64: dts: mediatek: asurada: Add SPMI regulators") Signed-off-by: AngeloGioacchino Del Regno Reviewed-by: Chen-yu Tsai --- arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi b/arch/arm64/= boot/dts/mediatek/mt8192-asurada.dtsi index df477eb89f21..8570b78c04a4 100644 --- a/arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi @@ -1408,7 +1408,7 @@ mt6315_7_vbuck1: vbuck1 { regulator-compatible =3D "vbuck1"; regulator-name =3D "Vgpu"; regulator-min-microvolt =3D <606250>; - regulator-max-microvolt =3D <1193750>; + regulator-max-microvolt =3D <800000>; regulator-enable-ramp-delay =3D <256>; regulator-allowed-modes =3D <0 1 2>; }; --=20 2.39.2