From nobody Sat Sep 21 04:35:07 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 AB55EC7EE30 for ; Wed, 1 Mar 2023 09:55:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229613AbjCAJzp (ORCPT ); Wed, 1 Mar 2023 04:55:45 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40758 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229872AbjCAJzg (ORCPT ); Wed, 1 Mar 2023 04:55:36 -0500 Received: from madras.collabora.co.uk (madras.collabora.co.uk [46.235.227.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 186F9366AD; Wed, 1 Mar 2023 01:55:33 -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 4CEDD6602126; Wed, 1 Mar 2023 09:55:31 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1677664531; bh=68pAuhR2AwbWVXI3OvP5qkhYBgJxnDaV6L7C5W0OdA8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=U1HDW/xGfyw5NrMrPFCU/v9jyz8pC0fuA9PeRsZ5TFG0+qFsW5D6upIxRYwPsMFqM gTl4RmQ/oxW45ILWFsgzUZMSx5qakJoGVo1g9YN4bECROPHNFvrPMm03u29ayUtY1/ +dA43RxktVhEFfeCINFMnHmGPsIhVs2kWjRX7HXlHTXZs/HcjanVmrovgHj1MmKHB9 AMcXrmFtHVi2/qlAExpp0DiCSU4gY18atchb+tdfdnK52YvdY5FoQzmoQhTqqtKkRo voW63sMbjs5yMG4uoyGYm4iyxoaFfytZwoTKYo63Uv0FkXb57ytFTgBLZ7uOuCkKWO ueFcDgCgM6BcA== 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 04/19] arm64: dts: mt8183-pumpkin: Couple VGPU and VSRAM_GPU regulators Date: Wed, 1 Mar 2023 10:55:08 +0100 Message-Id: <20230301095523.428461-5-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" Add coupling for these regulators, as they have a strict voltage output relation to satisfy in order to ensure GPU stable operation. Signed-off-by: AngeloGioacchino Del Regno Reviewed-by: Chen-Yu Tsai --- arch/arm64/boot/dts/mediatek/mt8183-pumpkin.dts | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/mediatek/mt8183-pumpkin.dts b/arch/arm64/b= oot/dts/mediatek/mt8183-pumpkin.dts index a1d01639df30..c228f04d086b 100644 --- a/arch/arm64/boot/dts/mediatek/mt8183-pumpkin.dts +++ b/arch/arm64/boot/dts/mediatek/mt8183-pumpkin.dts @@ -71,7 +71,6 @@ &auxadc { =20 &gpu { mali-supply =3D <&mt6358_vgpu_reg>; - sram-supply =3D <&mt6358_vsram_gpu_reg>; }; =20 &i2c0 { @@ -176,6 +175,16 @@ &mmc1 { non-removable; }; =20 +&mt6358_vgpu_reg { + regulator-coupled-with =3D <&mt6358_vsram_gpu_reg>; + regulator-coupled-max-spread =3D <100000>; +}; + +&mt6358_vsram_gpu_reg { + regulator-coupled-with =3D <&mt6358_vgpu_reg>; + regulator-coupled-max-spread =3D <100000>; +}; + &pio { i2c_pins_0: i2c0 { pins_i2c{ --=20 2.39.2