diff options
| author | Ravi Gunasekaran <r-gunasekaran@ti.com> | 2023-09-20 08:38:34 +0300 |
|---|---|---|
| committer | Vignesh Raghavendra <vigneshr@ti.com> | 2023-10-02 17:23:24 +0300 |
| commit | 2f40c6df3dcc1341afd99cd1a4de035f807c8a03 (patch) | |
| tree | 3e27d7f13a3c6d269ba07d5a876887d85cb5ffda /arch/arm64/boot/dts/ti | |
| parent | a1cd710f56c145bc7e7fc2bfbe332d944d5338cd (diff) | |
| download | linux-2f40c6df3dcc1341afd99cd1a4de035f807c8a03.tar.xz | |
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>
Diffstat (limited to 'arch/arm64/boot/dts/ti')
| -rw-r--r-- | arch/arm64/boot/dts/ti/k3-am654-base-board.dts | 7 |
1 files changed, 7 insertions, 0 deletions
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..1637ec5ab5ed 100644 --- 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>; |