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[2620:137:e000::1:20]) by mx.google.com with ESMTP id v15-20020aa7d80f000000b004acb59c4c25si11502134edq.542.2023.02.28.02.48.32; Tue, 28 Feb 2023 02:48:57 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@collabora.com header.s=mail header.b="hru/Bhv6"; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=collabora.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229524AbjB1Kr4 (ORCPT + 99 others); Tue, 28 Feb 2023 05:47:56 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60870 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230123AbjB1Krx (ORCPT ); Tue, 28 Feb 2023 05:47:53 -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 5BC8F19B5; Tue, 28 Feb 2023 02:47:51 -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 9E5BF6602FD6; Tue, 28 Feb 2023 10:47:49 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1677581270; bh=L6kGyfCrTlPJ9U3bVTbj8GIaJJMOf4x1aJLiGYToiq8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=hru/Bhv6rkdi/pc5OZ/qgVOJYCvL/DkC6PZj7ceZTdEjgCyE6H6s7dHsRschIiVYX 4MYHmN7rFlYH6xZbfkp2sWqUNiU3YUqf0aoJ5r1U7saLJSs2iGQXNQlWuPr6GHxLY7 f7SUMmKncl5NMZVddOlcvGl94nl9Qd3z00SVIOIXOgItFeaRH8DZKWI7oYa9FtWM+X Y5+CNmrE2NwTMRfJsdJqpOfu0tsUJadp2ydRVl6hMymInhZxfCf1M/sqYhgiLmmWKM tL9Lj8gZ6EhBGEL3q6B/cv+a4JNQYPFqfDpPVpAJ++Jnk57knUCMbzhr1XRVrrfcEJ Sn9zOvy19vnbQ== 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 01/18] arm64: dts: mediatek: mt8183-kukui: Couple VGPU and VSRAM_GPU regulators Date: Tue, 28 Feb 2023 11:47:24 +0100 Message-Id: <20230228104741.717819-2-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 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1759071528768012850?= X-GMAIL-MSGID: =?utf-8?q?1759071528768012850?= 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 {