From: Parth Pancholi <parth105105@gmail.com>
To: Nishanth Menon <nm@ti.com>, Vignesh Raghavendra <vigneshr@ti.com>,
Tero Kristo <kristo@kernel.org>, Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>
Cc: Parth Pancholi <parth.pancholi@toradex.com>,
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 [thread overview]
Message-ID: <20250703084534.1649594-1-parth105105@gmail.com> (raw)
From: Parth Pancholi <parth.pancholi@toradex.com>
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 <parth.pancholi@toradex.com>
---
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_DATA15.GPIO0_60 */ /* WIFI_SPI
/* Verdin PWM_3_DSI as GPIO */
pinctrl_pwm3_dsi_gpio: main-gpio1-16-default-pins {
pinctrl-single,pins = <
- AM62PX_IOPAD(0x01b8, PIN_OUTPUT, 7) /* (E20) SPI0_CS1.GPIO1_16 */ /* SODIMM 19 */
+ AM62PX_IOPAD(0x01b8, PIN_INPUT, 7) /* (E20) SPI0_CS1.GPIO1_16 */ /* SODIMM 19 */
>;
};
--
2.34.1
next reply other threads:[~2025-07-03 8:49 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-07-03 8:45 Parth Pancholi [this message]
2025-07-04 18:09 ` [PATCH] arm64: dts: ti: k3-am62p-verdin: fix PWM_3_DSI GPIO direction Francesco Dolcini
2025-07-09 10:36 ` Vignesh Raghavendra
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