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[83.173.201.248]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-3a88c7e76e1sm18392949f8f.16.2025.07.03.01.45.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 03 Jul 2025 01:45:52 -0700 (PDT) From: Parth Pancholi To: Nishanth Menon , Vignesh Raghavendra , Tero Kristo , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: Parth Pancholi , linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] arm64: dts: ti: k3-am62p-verdin: fix PWM_3_DSI GPIO direction Date: Thu, 3 Jul 2025 10:45:34 +0200 Message-Id: <20250703084534.1649594-1-parth105105@gmail.com> X-Mailer: git-send-email 2.34.1 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: Parth Pancholi PWM_3_DSI is used as the HDMI Hot-Plug Detect (HPD) GPIO for the Verdin DSI-to-HDMI adapter. After the commit 33bab9d84e52 ("arm64: dts: ti: k3-am62p: fix pinctrl settings"), the pin was incorrectly set as output without RXACTIVE, breaking HPD detection and display functionality. The issue was previously hidden and worked by chance before the mentioned pinctrl fix. Fix the pinmux configuration to correctly set PWM_3_DSI GPIO as an input. Fixes: 87f95ea316ac ("arm64: dts: ti: Add Toradex Verdin AM62P") Signed-off-by: Parth Pancholi Reviewed-by: Francesco Dolcini --- arch/arm64/boot/dts/ti/k3-am62p-verdin.dtsi | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/ti/k3-am62p-verdin.dtsi b/arch/arm64/boot/= dts/ti/k3-am62p-verdin.dtsi index d90d13287076..1a6490572453 100644 --- a/arch/arm64/boot/dts/ti/k3-am62p-verdin.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am62p-verdin.dtsi @@ -426,7 +426,7 @@ AM62PX_IOPAD(0x00f4, PIN_INPUT, 7) /* (Y20) VOUT0_DATA1= 5.GPIO0_60 */ /* WIFI_SPI /* Verdin PWM_3_DSI as GPIO */ pinctrl_pwm3_dsi_gpio: main-gpio1-16-default-pins { pinctrl-single,pins =3D < - AM62PX_IOPAD(0x01b8, PIN_OUTPUT, 7) /* (E20) SPI0_CS1.GPIO1_16 */ /* SO= DIMM 19 */ + AM62PX_IOPAD(0x01b8, PIN_INPUT, 7) /* (E20) SPI0_CS1.GPIO1_16 */ /* SOD= IMM 19 */ >; }; =20 --=20 2.34.1