From nobody Sat Sep 21 07:53:37 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 1F8D2C05027 for ; Wed, 8 Feb 2023 10:46:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230359AbjBHKqH (ORCPT ); Wed, 8 Feb 2023 05:46:07 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55708 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230099AbjBHKp6 (ORCPT ); Wed, 8 Feb 2023 05:45:58 -0500 Received: from madras.collabora.co.uk (madras.collabora.co.uk [46.235.227.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 71D40474F8; Wed, 8 Feb 2023 02:45:39 -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 9EEA3660209A; Wed, 8 Feb 2023 10:45:37 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1675853138; bh=q6sTRzzpp6l1Y7FFoNdLPC+xxTx63E74abBtY/8WPTY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Jx8JW+uKpa4vJ4cTBiKbg9MOdA1JWYQtQ4xajYxH7ddT1fiVIpZwavll8AzKGxjSb ApatJ7ZzvrOWRaKal/1gJkIJTrxoIxQCDwsmWt9wvr2JpfVrK9s2nhof7GUbBbDae+ 3GeCn1eHCFvQe2mksa0/3dGZen4u+GIf5CXVRA0ul51VCJCAqLbqv55kYDhWeO+Puw L4/362ubdORsOjUsmWvH9ZSl0ZaRaBHmLUhe+oiRdoTktkWbVpi7Akrj4602x9Er7K sgtkJJerSWGYhpTnKoyaYE3z6wQtWEIeIQIoyu3B2SbMP8uzHj1XCPfiQUfrPSjDcn B6XbAOk4nabcQ== 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 04/16] arm64: dts: mt8183-pumpkin: Couple VGPU and VSRAM_GPU regulators Date: Wed, 8 Feb 2023 11:45:15 +0100 Message-Id: <20230208104527.118929-5-angelogioacchino.delregno@collabora.com> X-Mailer: git-send-email 2.39.1 In-Reply-To: <20230208104527.118929-1-angelogioacchino.delregno@collabora.com> References: <20230208104527.118929-1-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 --- 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 2.39.1