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Also update the minimum voltage for Vgpu regulator from 606250 uV to 400000 uV because the requested voltage could be lower than the minimum voltage on the GPU OPP table when the MTK Smart Voltage Scaling (SVS) driver is enabled. Fixes: 3183cb62b033 ("arm64: dts: mediatek: asurada: Add SPMI regulators") Signed-off-by: Pin-yen Lin Reviewed-by: AngeloGioacchino Del Regno --- Changes in v2: - Change the value to 400000 and update other mt6315 usages arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi b/arch/arm64/= boot/dts/mediatek/mt8192-asurada.dtsi index 43d80334610a..2eafe66fbb8a 100644 --- a/arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi @@ -1421,7 +1421,7 @@ regulators { mt6315_6_vbuck1: vbuck1 { regulator-compatible =3D "vbuck1"; regulator-name =3D "Vbcpu"; - regulator-min-microvolt =3D <300000>; + regulator-min-microvolt =3D <400000>; regulator-max-microvolt =3D <1193750>; regulator-enable-ramp-delay =3D <256>; regulator-allowed-modes =3D <0 1 2>; @@ -1431,7 +1431,7 @@ mt6315_6_vbuck1: vbuck1 { mt6315_6_vbuck3: vbuck3 { regulator-compatible =3D "vbuck3"; 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Fri, 15 Mar 2024 04:16:31 -0700 (PDT) From: Pin-yen Lin To: Matthias Brugger , AngeloGioacchino Del Regno Cc: linux-arm-kernel@lists.infradead.org, Chen-Yu Tsai , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, =?UTF-8?q?N=C3=ADcolas=20F=20=2E=20R=20=2E=20A=20=2E=20Prado?= , linux-mediatek@lists.infradead.org, Pin-yen Lin Subject: [PATCH v2 2/4] arm64: dts: mediatek: mt8195-cherry: Update min voltage constraint for MT6315 Date: Fri, 15 Mar 2024 19:16:03 +0800 Message-ID: <20240315111621.2263159-3-treapking@chromium.org> X-Mailer: git-send-email 2.44.0.291.gc1ea87d7ee-goog In-Reply-To: <20240315111621.2263159-1-treapking@chromium.org> References: <20240315111621.2263159-1-treapking@chromium.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Update the minimum voltage from 300000 uV to 400000 uV so it matches the MT6315 datasheet. Also update the minimum voltage for Vgpu regulator from 625000 uV to 400000 uV because the requested voltage could be lower than the minimum voltage on the GPU OPP table when the MTK Smart Voltage Scaling (SVS) driver is enabled. Fixes: 260c04d425eb ("arm64: dts: mediatek: cherry: Enable MT6315 regulator= s on SPMI bus") Signed-off-by: Pin-yen Lin Reviewed-by: AngeloGioacchino Del Regno --- Changes in v2: - New in v2 arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi b/arch/arm64/b= oot/dts/mediatek/mt8195-cherry.dtsi index f94c07f8b933..c0223f84b45b 100644 --- a/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi @@ -1214,7 +1214,7 @@ regulators { mt6315_6_vbuck1: vbuck1 { regulator-compatible =3D "vbuck1"; regulator-name =3D "Vbcpu"; - regulator-min-microvolt =3D <300000>; + regulator-min-microvolt =3D <400000>; regulator-max-microvolt =3D <1193750>; regulator-enable-ramp-delay =3D <256>; regulator-ramp-delay =3D <6250>; @@ -1232,7 +1232,7 @@ regulators { mt6315_7_vbuck1: vbuck1 { regulator-compatible =3D "vbuck1"; regulator-name =3D "Vgpu"; - regulator-min-microvolt =3D <625000>; 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charset="utf-8" The requested voltage could be lower than the minimum voltage on the GPU OPP table when the MTK Smart Voltage Scaling (SVS) driver is enabled, so removing the definition in mt8183-kukui to use the default minimum voltage (500000 uV) defined in mt6358.dtsi. Fixes: 31c6732da9d5 ("arm64: dts: mediatek: mt8183-kukui: Override vgpu/vsr= am_gpu constraints") Signed-off-by: Pin-yen Lin Reviewed-by: AngeloGioacchino Del Regno --- Changes in v2: - New in v2 arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi | 1 - 1 file changed, 1 deletion(-) diff --git a/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi b/arch/arm64/bo= ot/dts/mediatek/mt8183-kukui.dtsi index 3830daf7ea85..a64d06adf796 100644 --- a/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi @@ -433,7 +433,6 @@ &mt6358regulator { }; =20 &mt6358_vgpu_reg { - regulator-min-microvolt =3D <625000>; regulator-max-microvolt =3D <900000>; =20 regulator-coupled-with =3D <&mt6358_vsram_gpu_reg>; --=20 2.44.0.291.gc1ea87d7ee-goog From nobody Fri Sep 20 01:27:38 2024 Received: from mail-pf1-f178.google.com (mail-pf1-f178.google.com [209.85.210.178]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 138BE1C298 for ; 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Fri, 15 Mar 2024 04:16:35 -0700 (PDT) Received: from treapking.tpe.corp.google.com ([2401:fa00:1:10:2f9c:c00a:bf1f:e53c]) by smtp.gmail.com with ESMTPSA id c11-20020a62e80b000000b006e6aee6807dsm3122683pfi.22.2024.03.15.04.16.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 15 Mar 2024 04:16:35 -0700 (PDT) From: Pin-yen Lin To: Matthias Brugger , AngeloGioacchino Del Regno Cc: linux-arm-kernel@lists.infradead.org, Chen-Yu Tsai , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, =?UTF-8?q?N=C3=ADcolas=20F=20=2E=20R=20=2E=20A=20=2E=20Prado?= , linux-mediatek@lists.infradead.org, Pin-yen Lin Subject: [PATCH v2 4/4] arm64: dts: mediatek: mt8186-corsola: Update min voltage constraint for Vgpu Date: Fri, 15 Mar 2024 19:16:05 +0800 Message-ID: <20240315111621.2263159-5-treapking@chromium.org> X-Mailer: git-send-email 2.44.0.291.gc1ea87d7ee-goog In-Reply-To: <20240315111621.2263159-1-treapking@chromium.org> References: <20240315111621.2263159-1-treapking@chromium.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" The requested voltage could be lower than the minimum voltage on the GPU OPP table when the MTK Smart Voltage Scaling (SVS) driver is enabled, so update the minimum voltage constraint from 600000 uV to 500000 uV as listed on the mt6366 datasheet. Fixes: 8855d01fb81f ("arm64: dts: mediatek: Add MT8186 Krabby platform base= d Tentacruel / Tentacool") Signed-off-by: Pin-yen Lin Reviewed-by: AngeloGioacchino Del Regno --- Changes in v2: - New in v2 arch/arm64/boot/dts/mediatek/mt8186-corsola.dtsi | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/mediatek/mt8186-corsola.dtsi b/arch/arm64/= boot/dts/mediatek/mt8186-corsola.dtsi index 3dea28f1d806..1807e9d6cb0e 100644 --- a/arch/arm64/boot/dts/mediatek/mt8186-corsola.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt8186-corsola.dtsi @@ -1296,7 +1296,7 @@ mt6366_vgpu_reg: vgpu { * regulator coupling requirements. */ regulator-name =3D "ppvar_dvdd_vgpu"; - regulator-min-microvolt =3D <600000>; + regulator-min-microvolt =3D <500000>; regulator-max-microvolt =3D <950000>; regulator-ramp-delay =3D <6250>; regulator-enable-ramp-delay =3D <200>; --=20 2.44.0.291.gc1ea87d7ee-goog