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[83.173.201.248]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4806ce564f9sm399535415e9.14.2026.02.02.00.37.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 02 Feb 2026 00:37:27 -0800 (PST) From: Franz Schnyder To: Nishanth Menon , Vignesh Raghavendra , Tero Kristo , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: Franz Schnyder , linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org Subject: [PATCH v1 1/2] arm64: dts: ti: k3-am69-aquila-dev: Fix DP regulator enable GPIO Date: Mon, 2 Feb 2026 09:36:00 +0100 Message-ID: <20260202083604.325060-2-fra.schnyder@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260202083604.325060-1-fra.schnyder@gmail.com> References: <20260202083604.325060-1-fra.schnyder@gmail.com> 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" From: Franz Schnyder Correct the DP regulator enable GPIO to index 21. The 3.3V DP regulator was not being enabled by the assigned GPIO, as it is routed to GPIO index 21 and not 37, which was causing instability with displays connected over DP or via an active DP-to-HDMI adapter. Fixes: 39ac6623b1d8 ("arm64: dts: ti: Add Aquila AM69 Support") Cc: stable@vger.kernel.org Signed-off-by: Franz Schnyder Reviewed-by: Francesco Dolcini --- arch/arm64/boot/dts/ti/k3-am69-aquila-dev.dts | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/ti/k3-am69-aquila-dev.dts b/arch/arm64/boo= t/dts/ti/k3-am69-aquila-dev.dts index f48601ae38b7..d3677c2c2547 100644 --- a/arch/arm64/boot/dts/ti/k3-am69-aquila-dev.dts +++ b/arch/arm64/boot/dts/ti/k3-am69-aquila-dev.dts @@ -33,7 +33,7 @@ reg_3v3_dp: regulator-3v3-dp { pinctrl-names =3D "default"; pinctrl-0 =3D <&pinctrl_gpio_21_dp>; /* Aquila GPIO_21_DP (AQUILA B57) */ - gpio =3D <&main_gpio0 37 GPIO_ACTIVE_HIGH>; + gpio =3D <&main_gpio0 21 GPIO_ACTIVE_HIGH>; enable-active-high; regulator-max-microvolt =3D <3300000>; regulator-min-microvolt =3D <3300000>; --=20 2.43.0 From nobody Sat Feb 7 18:20:49 2026 Received: from mail-wm1-f67.google.com (mail-wm1-f67.google.com [209.85.128.67]) (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 4A70F29B216 for ; 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[83.173.201.248]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4806ce564f9sm399535415e9.14.2026.02.02.00.37.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 02 Feb 2026 00:37:29 -0800 (PST) From: Franz Schnyder To: Nishanth Menon , Vignesh Raghavendra , Tero Kristo , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: Franz Schnyder , linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org Subject: [PATCH v1 2/2] arm64: dts: ti: k3-am69-aquila-clover: Fix DP regulator enable GPIO Date: Mon, 2 Feb 2026 09:36:01 +0100 Message-ID: <20260202083604.325060-3-fra.schnyder@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260202083604.325060-1-fra.schnyder@gmail.com> References: <20260202083604.325060-1-fra.schnyder@gmail.com> 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" From: Franz Schnyder Correct the DP regulator enable GPIO to index 21. The 3.3V DP regulator was not being enabled by the assigned GPIO, as it is routed to GPIO index 21 and not 37, which was causing instability with displays connected over DP or via an active DP-to-HDMI adapter. Fixes: 9f748a6177e1 ("arm64: dts: ti: am69-aquila: Add Clover") Cc: stable@vger.kernel.org Signed-off-by: Franz Schnyder Reviewed-by: Francesco Dolcini --- arch/arm64/boot/dts/ti/k3-am69-aquila-clover.dts | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/ti/k3-am69-aquila-clover.dts b/arch/arm64/= boot/dts/ti/k3-am69-aquila-clover.dts index ec8ff4587715..dc0d3cf2f985 100644 --- a/arch/arm64/boot/dts/ti/k3-am69-aquila-clover.dts +++ b/arch/arm64/boot/dts/ti/k3-am69-aquila-clover.dts @@ -26,7 +26,7 @@ reg_3v3_dp: regulator-3v3-dp { pinctrl-names =3D "default"; pinctrl-0 =3D <&pinctrl_gpio_21_dp>; /* Aquila GPIO_21_DP (AQUILA B57) */ - gpio =3D <&main_gpio0 37 GPIO_ACTIVE_HIGH>; + gpio =3D <&main_gpio0 21 GPIO_ACTIVE_HIGH>; enable-active-high; regulator-max-microvolt =3D <3300000>; regulator-min-microvolt =3D <3300000>; --=20 2.43.0