The 6th line of the GPIO expander is used to power the board's SD card. Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@xxxxxxx> --- arch/arm/boot/dts/bcm2711-rpi-4-b.dts | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/bcm2711-rpi-4-b.dts b/arch/arm/boot/dts/bcm2711-rpi-4-b.dts index 1d4b589fe233..b0ea8233b636 100644 --- a/arch/arm/boot/dts/bcm2711-rpi-4-b.dts +++ b/arch/arm/boot/dts/bcm2711-rpi-4-b.dts @@ -68,7 +68,7 @@ expgpio: gpio { "GLOBAL_RESET", "VDD_SD_IO_SEL", "CAM_GPIO", - "", + "SD_PWR_ON", ""; status = "okay"; }; -- 2.25.1