diff --git a/arch/arm64/boot/dts/marvell/armada-3720-db.dts b/arch/arm64/boot/dts/marvell/armada-3720-db.dts index 86602c907a61..864936acc316 100644 --- a/arch/arm64/boot/dts/marvell/armada-3720-db.dts +++ b/arch/arm64/boot/dts/marvell/armada-3720-db.dts @@ -64,6 +64,24 @@ memory@0 { &i2c0 { status = "okay"; + + gpio_exp: pca9555@22 { + compatible = "nxp,pca9555"; + gpio-controller; + #gpio-cells = <2>; + + reg = <0x22>; + /* + * IO0_0: PWR_EN_USB2 IO1_0: PWR_EN_VTT + * IO0_1: PWR_EN_USB23 IO1_1: MPCIE_WDISABLE + * IO0_2: PWR_EN_SATA IO1_2: RGMII_DEV_RSTN + * IO0_3: PWR_EN_PCIE IO1_3: SGMII_DEV_RSTN + * IO0_4: PWR_EN_SD + * IO0_5: PWR_EN_EMMC + * IO0_6: PWR_EN_RGMII IO1_6: SATA_USB3.0_SEL + * IO0_7: PWR_EN_SGMII IO1_7: PWR_MCI_PS + */ + }; }; /* CON3 */