[PATCH v1 1/2] arm64: dts: ti: k3-am69-aquila-dev: Keep DP_PWR always enabled

Francesco Dolcini francesco at dolcini.it
Tue Nov 3 02:51:35 PST 2026


From: Francesco Dolcini <francesco.dolcini at toradex.com>

DP_PWR on the DisplayPort connector powers active DP cables and
adapters, which do not work without it. Keep it always enabled, and mark
it boot-on so that the firmware, e.g. U-Boot, enables it at boot,
whether or not a display driver is available.

Fixes: 39ac6623b1d8 ("arm64: dts: ti: Add Aquila AM69 Support")
Signed-off-by: Francesco Dolcini <francesco.dolcini at toradex.com>
---
 arch/arm64/boot/dts/ti/k3-am69-aquila-dev.dts | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-am69-aquila-dev.dts b/arch/arm64/boot/dts/ti/k3-am69-aquila-dev.dts
index d3677c2c2547..5afd7b806265 100644
--- a/arch/arm64/boot/dts/ti/k3-am69-aquila-dev.dts
+++ b/arch/arm64/boot/dts/ti/k3-am69-aquila-dev.dts
@@ -35,6 +35,8 @@ reg_3v3_dp: regulator-3v3-dp {
 		/* Aquila GPIO_21_DP (AQUILA B57) */
 		gpio = <&main_gpio0 21 GPIO_ACTIVE_HIGH>;
 		enable-active-high;
+		regulator-always-on;
+		regulator-boot-on;
 		regulator-max-microvolt = <3300000>;
 		regulator-min-microvolt = <3300000>;
 		regulator-name = "DP_3V3";
-- 
2.47.3




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