The usb power regulator is supplied by the vcc 5v regulator and controlled by a GPIO. This will be needed to enable usb.
Signed-off-by: Jerome Brunet <jbru...@baylibre.com> --- arch/arm64/boot/dts/amlogic/meson-axg-s400.dts | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/arch/arm64/boot/dts/amlogic/meson-axg-s400.dts b/arch/arm64/boot/dts/amlogic/meson-axg-s400.dts index 5937d8c3a6ed..7489b88f27d7 100644 --- a/arch/arm64/boot/dts/amlogic/meson-axg-s400.dts +++ b/arch/arm64/boot/dts/amlogic/meson-axg-s400.dts @@ -115,6 +115,17 @@ enable-active-high; }; + usb_pwr: regulator-usb_pwr { + compatible = "regulator-fixed"; + regulator-name = "USB_PWR"; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + vin-supply = <&vcc_5v>; + + gpio = <&gpio_ao GPIOAO_5 GPIO_ACTIVE_HIGH>; + enable-active-high; + }; + emmc_pwrseq: emmc-pwrseq { compatible = "mmc-pwrseq-emmc"; reset-gpios = <&gpio BOOT_9 GPIO_ACTIVE_LOW>; -- 2.17.1