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

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@ti.com>
Reviewed-by: Andrew Davis <afd@ti.com>
Link: https://lore.kernel.org/r/20230920053834.21399-1-r-gunasekaran@ti.com
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>

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 f5c26e9fba9874d48b69f1432712dcd0c2886440..1637ec5ab5eda55c1f692bd81e1e77f69bfbcdc3 100644 (file)
--- a/arch/arm64/boot/dts/ti/k3-am654-base-board.dts
+++ b/arch/arm64/boot/dts/ti/k3-am654-base-board.dts
@@ -369,6 +369,13 @@
                ti,enable-vout-discharge;
        };
 
+       gpio@38 {
+               compatible = "nxp,pca9554";
+               reg = <0x38>;
+               gpio-controller;
+               #gpio-cells = <2>;
+       };
+
        pca9554: gpio@39 {
                compatible = "nxp,pca9554";
                reg = <0x39>;