[PATCH 2/3] ARM64: dts: marvell: armada-3720-db: add gpio expander
From: Gregory CLEMENT <hidden>
Date: 2017-03-08 09:21:20
Hi, On mer., f?vr. 22 2017, Gregory CLEMENT [off-list ref] 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 <redacted>
Applied on mvebu/dt64 Gregory
quoted hunk
--- 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