[PATCH] arm64: dts: rockchip: orangepi-5: fix PCIe 3.3V regulator voltage

Mykola Kvach xakep.amatop at gmail.com
Fri Oct 24 10:38:20 PDT 2025


The vcc3v3_pcie20 fixed regulator powers the PCIe device-side 3.3V
rail for pcie2x1l2 via vpcie3v3-supply. The DTS mistakenly set its
regulator-min/max-microvolt to 1800000. Correct both to 3300000
to match the rail name, the PCIe/M.2 power requirement, and the
actual hardware wiring on Orange Pi 5.

Signed-off-by: Mykola Kvach <xakep.amatop at gmail.com>
---
 arch/arm64/boot/dts/rockchip/rk3588s-orangepi-5.dts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/boot/dts/rockchip/rk3588s-orangepi-5.dts b/arch/arm64/boot/dts/rockchip/rk3588s-orangepi-5.dts
index ad6d04793b0a..83b9b6645a1e 100644
--- a/arch/arm64/boot/dts/rockchip/rk3588s-orangepi-5.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3588s-orangepi-5.dts
@@ -14,8 +14,8 @@ vcc3v3_pcie20: regulator-vcc3v3-pcie20 {
 		gpios = <&gpio0 RK_PC5 GPIO_ACTIVE_HIGH>;
 		regulator-name = "vcc3v3_pcie20";
 		regulator-boot-on;
-		regulator-min-microvolt = <1800000>;
-		regulator-max-microvolt = <1800000>;
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
 		startup-delay-us = <50000>;
 		vin-supply = <&vcc5v0_sys>;
 	};
-- 
2.43.0




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