From nobody Thu Nov 14 06:46:13 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 553E1C64ED6 for ; Tue, 28 Feb 2023 10:48:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229988AbjB1KsJ (ORCPT ); Tue, 28 Feb 2023 05:48:09 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60882 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230308AbjB1Kry (ORCPT ); Tue, 28 Feb 2023 05:47:54 -0500 Received: from madras.collabora.co.uk (madras.collabora.co.uk [IPv6:2a00:1098:0:82:1000:25:2eeb:e5ab]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3435830EE; Tue, 28 Feb 2023 02:47:53 -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 87EFD6602FDB; Tue, 28 Feb 2023 10:47:51 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1677581272; bh=iTiXsbcvL98tLYBNMasBh9C/GsvGSy9IVHh+FRRt/uQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=JUS5j3F6XoHW0m9VpkYAIFNOvfhSr5WYYwQlBODNQmGx6LU3E7Gu8H1TB92gy8Xjd Kq8eF5nFyJbUGP+bKRFb4ly03VMEG7gXr88VMTxkAgeMycW30vbYKZeTxY5GOHnUkY 9uLnnuXfvwbnQ9QdnH/A0ESKNlKVZOe43ZVPbkcI/xQchKJW3z/A4mLOF9n08ljlwh xYB3Q7tWUGWaeFC7Sqa9wJ9iQboVT6OMANFbFI+qau7j/iTk1UBInJP8FvXB5wrR86 JoMTMJhx3jbt5f6V/SLnOmfLmCcAxnU06nODrQa0PQl5k9UZgEKCYu/MZCpf6sHIc8 p8qn5ynxr+8Hg== 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 v3 04/18] arm64: dts: mt8183-pumpkin: Couple VGPU and VSRAM_GPU regulators Date: Tue, 28 Feb 2023 11:47:27 +0100 Message-Id: <20230228104741.717819-5-angelogioacchino.delregno@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230228104741.717819-1-angelogioacchino.delregno@collabora.com> References: <20230228104741.717819-1-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