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authorGregory CLEMENT <gregory.clement@free-electrons.com>2017-02-22 18:31:45 +0100
committerGregory CLEMENT <gregory.clement@free-electrons.com>2017-03-08 10:17:08 +0100
commita844a652e7f2b6e44b5e69c6874c8e2ad2d2f5e6 (patch)
tree82dacabc4fe53cbf2c9bfc9c5e96cbe0724ff6cf /arch/arm64/boot/dts
parent0ddd48de1e844ec5e0f3e3cc8622d85e00edbe35 (diff)
ARM64: dts: marvell: armada-3720-db: add gpio expander
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>
Diffstat (limited to 'arch/arm64/boot/dts')
-rw-r--r--arch/arm64/boot/dts/marvell/armada-3720-db.dts18
1 files changed, 18 insertions, 0 deletions
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@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 */