[PATCH v2 2/2] arm64: dts: ti: k3-am64: Add GPIO expander on I2C0
Roger Quadros
rogerq at kernel.org
Sat Sep 23 01:00:46 PDT 2023
A TCA9554 GPIO expander is present on I2C0. Add it.
Signed-off-by: Roger Quadros <rogerq at kernel.org>
---
arch/arm64/boot/dts/ti/k3-am642-evm.dts | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/arch/arm64/boot/dts/ti/k3-am642-evm.dts b/arch/arm64/boot/dts/ti/k3-am642-evm.dts
index b4a1f73d4fb1..3dccc597f516 100644
--- a/arch/arm64/boot/dts/ti/k3-am642-evm.dts
+++ b/arch/arm64/boot/dts/ti/k3-am642-evm.dts
@@ -392,6 +392,15 @@ &main_i2c0 {
pinctrl-0 = <&main_i2c0_pins_default>;
clock-frequency = <400000>;
+ gpio at 38 {
+ /* TCA9554 */
+ compatible = "nxp,pca9554";
+ reg = <0x38>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ gpio-line-names = "HSE_DETECT";
+ };
+
eeprom at 50 {
/* AT24CM01 */
compatible = "atmel,24c1024";
--
2.34.1
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