From a5f5c5bbef3f5b2fb2f095c4ae5fa6a679512878 Mon Sep 17 00:00:00 2001 From: Gregory CLEMENT Date: Thu, 5 Oct 2017 18:05:11 +0200 Subject: arm64: dts: marvell: 7040-db: Document the gpio expander Document all the GPIO of the expander based on the schematics Signed-off-by: Gregory CLEMENT --- arch/arm64/boot/dts/marvell/armada-7040-db.dts | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'arch/arm64/boot/dts/marvell') diff --git a/arch/arm64/boot/dts/marvell/armada-7040-db.dts b/arch/arm64/boot/dts/marvell/armada-7040-db.dts index 8f3b395..18a75fa 100644 --- a/arch/arm64/boot/dts/marvell/armada-7040-db.dts +++ b/arch/arm64/boot/dts/marvell/armada-7040-db.dts @@ -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 + */ }; }; -- cgit v1.1