[PATCH] arm64: dts: ti: k3-am654-base-board: Add I2C I/O expander

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



AM654 baseboard has two TCA9554 I/O expander on the WKUP_I2C0 bus.
The expander at address 0x38 is used to detect daughter cards.
Add a node for this I/O expander.

Signed-off-by: Ravi Gunasekaran <r-gunasekaran@xxxxxx>
---
 arch/arm64/boot/dts/ti/k3-am654-base-board.dts | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-am654-base-board.dts b/arch/arm64/boot/dts/ti/k3-am654-base-board.dts
index f5c26e9fba98..035b20386ef3 100644
--- a/arch/arm64/boot/dts/ti/k3-am654-base-board.dts
+++ b/arch/arm64/boot/dts/ti/k3-am654-base-board.dts
@@ -381,6 +381,13 @@
 		interrupt-controller;
 		#interrupt-cells = <2>;
 	};
+
+	pca9554_1: gpio@38 {
+		compatible = "nxp,pca9554";
+		reg = <0x38>;
+		gpio-controller;
+		#gpio-cells = <2>;
+	};
 };
 
 &mcu_i2c0 {

base-commit: dfa449a58323de195773cf928d99db4130702bf7
-- 
2.17.1





[Index of Archives]     [Device Tree Compilter]     [Device Tree Spec]     [Linux Driver Backports]     [Video for Linux]     [Linux USB Devel]     [Linux PCI Devel]     [Linux Audio Users]     [Linux Kernel]     [Linux SCSI]     [XFree86]     [Yosemite Backpacking]


  Powered by Linux