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

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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>
This commit is contained in:
Ravi Gunasekaran
2023-09-20 11:08:34 +05:30
committed by Vignesh Raghavendra
parent a1cd710f56
commit 2f40c6df3d
1 changed files with 7 additions and 0 deletions
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7
arch/arm64/boot/dts/ti/k3-am654-base-board.dts
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@@ -369,6 +369,13 @@ vdd_mpu: regulator@60 {
ti,enable-vout-discharge;
};
gpio@38 {
compatible = "nxp,pca9554";
reg = <0x38>;
gpio-controller;
#gpio-cells = <2>;
};
pca9554: gpio@39 {
compatible = "nxp,pca9554";
reg = <0x39>;