[PATCH 5/6] arm: dts: k3-am642: Add I2C GPIO Expander

Roger Quadros
2023-07-04T18:11:03Z

The I2C GPIO expander at address 0x38 is used for card detect GPIOs.

Signed-off-by: Roger Quadros <rogerq@kernel.org>
---
arch/arm/dts/k3-am642-evm-u-boot.dtsi | 4 ++++
arch/arm/dts/k3-am642-evm.dts | 8 ++++++++
2 files changed, 12 insertions(+)

diff --git a/arch/arm/dts/k3-am642-evm-u-boot.dtsi b/arch/arm/dts/k3-am642-evm-u-boot.dtsi
index 80c04d0117..f274d11697 100644
--- a/arch/arm/dts/k3-am642-evm-u-boot.dtsi
+++ b/arch/arm/dts/k3-am642-evm-u-boot.dtsi
@@ -40,6 +40,10 @@
bootph-pre-ram;
};

+&tca9554 {
+ bootph-pre-ram;
+};
+
&main_uart0 {
bootph-pre-ram;
};
diff --git a/arch/arm/dts/k3-am642-evm.dts b/arch/arm/dts/k3-am642-evm.dts
index 529eb81538..bc7e6f29b0 100644
--- a/arch/arm/dts/k3-am642-evm.dts
+++ b/arch/arm/dts/k3-am642-evm.dts
@@ -353,6 +353,14 @@
compatible = "atmel,24c1024";
reg = <0x50>;
};
+
+ tca9554: gpio@38 {
+ /* TCA9554 */
+ compatible = "nxp,pca9554";
+ reg = <0x38>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ };
};

&main_i2c1 {
--
2.34.1