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ARM64: dts: marvell: armada-3720-db: add gpio expander

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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>
This commit is contained in:
Gregory CLEMENT 2017-02-22 18:31:45 +01:00
parent 0ddd48de1e
commit a844a652e7
1 changed files with 18 additions and 0 deletions
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18
arch/arm64/boot/dts/marvell/armada-3720-db.dts
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@ -64,6 +64,24 @@
&i2c0 {
status = "okay";
gpio_exp: pca9555@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 */