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Commit a844a652 authored by Gregory CLEMENT's avatar Gregory CLEMENT
Browse files

ARM64: dts: marvell: armada-3720-db: add gpio expander 



A gpio expander is present on the i2c bus on the Armada 3720 DB board. This
patch add it to the device tree.

Signed-off-by: default avatarGregory CLEMENT <gregory.clement@free-electrons.com>
parent 0ddd48de

arch/arm64/boot/dts/marvell/armada-3720-db.dts

+18 −0
Original line number Diff line number Diff line
@@ -64,6 +64,24 @@ 


&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 */