From patchwork Thu Feb 23 13:43:30 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: AngeloGioacchino Del Regno X-Patchwork-Id: 13150399 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id DCA1CC636D6 for ; Thu, 23 Feb 2023 13:47:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=7TygdOeWQTpz2f8gBD/DGmlXExAUxciSBYq7LXZrasM=; b=RH/Q2f9Acz5uBR4GeOD+dDgIVE rUjm1MMOjMENajEYJLyogamzDJMut5vpJ/wl/9eU6I847XLF8w32g3Ha0qBYFpfMo2ub9BBjIMAH1 M2mX5nPq4rT+cTA/6XbDqFyoSmk6iUds5vjJMAG69X/NhvaHptqEnDr26u3m16YlTD+MRnnMC5V8l h2XvaXRajZ9KS9T+gr0qI+3v53I5MswFLH77Ln9Gz5i/q5byE1+S9YCxSJK5NDZsynbhHbB01sDUw Gkn8j16+dDvVBf9PL5W5Z4x6xhlqtHHknOqNJPBvgNTHZ3AMBWDEe4rdQZ+/7aDTbk2Mz1IFkEhRx IZQqQoKQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1pVBw3-00GZgA-Ez; Thu, 23 Feb 2023 13:46:59 +0000 Received: from madras.collabora.co.uk ([2a00:1098:0:82:1000:25:2eeb:e5ab]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1pVBt7-00GYIu-SJ; Thu, 23 Feb 2023 13:43:59 +0000 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 1486F6602208; Thu, 23 Feb 2023 13:43:56 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1677159836; bh=1V2jxX0ANAEWX9LhnlvthMdf0fZsDfORdoxEzmZYOWw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=UqxbLCz8YHPHJZ9kauVlS3ft33uV+Tec6ZhPT1U3ATczFXnqwSLCJHvz4cyADKVND bwPjNx21ZnZ3Ks6QJtzE0J24frRwjmTRWZRmxcDPPANbFp5paKF6fGPg1/rl+CmpgW obPMTF3+HXqjminUq1KC3eXFDOsjy4DUWcHS2zFA1ZFYlu43RS0RA8EWwZXOGRBvbT 7MbWgwnGO0h34kVEV2xqBwxc8vPuh6uRxAlqa+eABVfwfvPPY3Re4ssUOvTv1imOwo pKR9zaTuTXMDmX12RZXxBSMWAJK1Z1yl+bSzYC6EG9wToiHXiFO0g+Zt5leCqvoYn2 JKR4BvnpgMkaA== 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 v2 01/16] arm64: dts: mediatek: mt8183-kukui: Couple VGPU and VSRAM_GPU regulators Date: Thu, 23 Feb 2023 14:43:30 +0100 Message-Id: <20230223134345.82625-2-angelogioacchino.delregno@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230223134345.82625-1-angelogioacchino.delregno@collabora.com> References: <20230223134345.82625-1-angelogioacchino.delregno@collabora.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230223_054358_082626_F174A61B X-CRM114-Status: UNSURE ( 8.86 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org 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-kukui.dtsi | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi b/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi index fbe14b13051a..de9778c85b94 100644 --- a/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi @@ -294,7 +294,6 @@ dsi_out: endpoint { &gpu { mali-supply = <&mt6358_vgpu_reg>; - sram-supply = <&mt6358_vsram_gpu_reg>; }; &i2c0 { @@ -401,6 +400,11 @@ &mt6358codec { Avdd-supply = <&mt6358_vaud28_reg>; }; +&mt6358_vgpu_reg { + regulator-coupled-with = <&mt6358_vsram_gpu_reg>; + regulator-coupled-max-spread = <100000>; +}; + &mt6358_vsim1_reg { regulator-min-microvolt = <2700000>; regulator-max-microvolt = <2700000>; @@ -411,6 +415,11 @@ &mt6358_vsim2_reg { regulator-max-microvolt = <2700000>; }; +&mt6358_vsram_gpu_reg { + regulator-coupled-with = <&mt6358_vgpu_reg>; + regulator-coupled-max-spread = <100000>; +}; + &pio { aud_pins_default: audiopins { pins_bus {