From: gregory.clement@free-electrons.com (Gregory CLEMENT)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 2/3] ARM64: dts: marvell: armada-3720-db: add gpio expander
Date: Wed, 08 Mar 2017 10:21:20 +0100 [thread overview]
Message-ID: <87pohsm8dr.fsf@free-electrons.com> (raw)
In-Reply-To: <20170222173146.30993-3-gregory.clement@free-electrons.com> (Gregory CLEMENT's message of "Wed, 22 Feb 2017 18:31:45 +0100")
Hi,
On mer., f?vr. 22 2017, Gregory CLEMENT <gregory.clement@free-electrons.com> 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 <gregory.clement@free-electrons.com>
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
next prev parent reply other threads:[~2017-03-08 9:21 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-02-22 17:31 [PATCH 0/3] Improving I2C related support on Armada 3720 DB Gregory CLEMENT
2017-02-22 17:31 ` [PATCH 1/3] ARM64: dts: marvell: armada37xx: add address and size property for i2c cells Gregory CLEMENT
2017-03-08 9:20 ` Gregory CLEMENT
2017-02-22 17:31 ` [PATCH 2/3] ARM64: dts: marvell: armada-3720-db: add gpio expander Gregory CLEMENT
2017-03-08 9:21 ` Gregory CLEMENT [this message]
2017-02-22 17:31 ` [PATCH 3/3] arm64: defconfig: enable I2C_PXA Gregory CLEMENT
2017-03-07 17:59 ` Gregory CLEMENT
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