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Commit a5f5c5bb authored by Gregory CLEMENT's avatar Gregory CLEMENT
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arm64: dts: marvell: 7040-db: Document the gpio expander 



Document all the GPIO of the expander based on the schematics

Signed-off-by: default avatarGregory CLEMENT <gregory.clement@free-electrons.com>
parent 30571678

arch/arm64/boot/dts/marvell/armada-7040-db.dts

+10 −0
Original line number Diff line number Diff line
@@ -143,6 +143,16 @@ 
		gpio-controller;

		#gpio-cells = <2>;

		reg = <0x21>;

		/*

		 * IO0_0: USB3_PWR_EN0	IO1_0: USB_3_1_Dev_Detect

		 * IO0_1: USB3_PWR_EN1	IO1_1: USB2_1_current_limit

		 * IO0_2: DDR3_4_Detect	IO1_2: Hcon_IO_RstN

		 * IO0_3: USB2_DEVICE_DETECT

		 * IO0_4: GPIO_0	IO1_4: SD_Status

		 * IO0_5: GPIO_1	IO1_5: LDO_5V_Enable

		 * IO0_6: IHB_5V_Enable	IO1_6: PWR_EN_eMMC

		 * IO0_7:		IO1_7: SDIO_Vcntrl

		 */

	};

};