usb-pwr-en regulator is getting disable after booting, setting regulator-alway-on help enable the regulator after booting. [ 31.766097] USB_PWR_EN: disabling Fixes: c35f6dc5c377 (arm64: dts: meson: Add minimal support for Odroid-N2) Cc: Martin Blumenstingl <martin.blumenstingl@xxxxxxxxxxxxxx> Cc: Jerome Brunet <jbrunet@xxxxxxxxxxxx> Cc: Neil Armstrong <narmstrong@xxxxxxxxxxxx> Signed-off-by: Anand Moon <linux.amoon@xxxxxxxxx> --- Patch generated on top of my earier patch. [0] https://patchwork.kernel.org/patch/11384531/ [1] https://patchwork.kernel.org/patch/11384533/ Before [root@alarm ~]# cat /sys/kernel/debug/regulator/regulator_summary | grep USB USB_PWR_EN 0 1 0 unknown 5000mV 0mA 5000mV 5000mV After [root@alarm ~]# cat /sys/kernel/debug/regulator/regulator_summary | grep USB USB_PWR_EN 1 1 0 unknown 5000mV 0mA 5000mV 5000mV --- arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dts | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dts b/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dts index 23eddff85fe5..938a9e15adfc 100644 --- a/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dts +++ b/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dts @@ -177,6 +177,7 @@ usb_pwr_en: regulator-usb_pwr_en { regulator-min-microvolt = <5000000>; regulator-max-microvolt = <5000000>; vin-supply = <&vcc_5v>; + regulator-always-on; /* Connected to the microUSB port power enable */ gpio = <&gpio GPIOH_6 GPIO_ACTIVE_HIGH>; -- 2.25.0
