From mboxrd@z Thu Jan 1 00:00:00 1970 From: gregory.clement@free-electrons.com (Gregory CLEMENT) Date: Wed, 08 Mar 2017 10:21:20 +0100 Subject: [PATCH 2/3] ARM64: dts: marvell: armada-3720-db: add gpio expander In-Reply-To: <20170222173146.30993-3-gregory.clement@free-electrons.com> (Gregory CLEMENT's message of "Wed, 22 Feb 2017 18:31:45 +0100") References: <20170222173146.30993-1-gregory.clement@free-electrons.com> <20170222173146.30993-3-gregory.clement@free-electrons.com> Message-ID: <87pohsm8dr.fsf@free-electrons.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi, On mer., f?vr. 22 2017, Gregory CLEMENT wrote: > 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: Gregory CLEMENT Applied on mvebu/dt64 Gregory > --- > arch/arm64/boot/dts/marvell/armada-3720-db.dts | 18 ++++++++++++++++++ > 1 file changed, 18 insertions(+) > > 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 @@ > > &i2c0 { > status = "okay"; > + > + gpio_exp: pca9555 at 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 */ > -- > 2.11.0 > > > _______________________________________________ > linux-arm-kernel mailing list > linux-arm-kernel at lists.infradead.org > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel -- Gregory Clement, Free Electrons Kernel, drivers, real-time and embedded Linux development, consulting, training and support. http://free-electrons.com