Messages in this thread Patch in this message | | | From | Roger Quadros <> | Subject | [PATCH v2 2/2] arm64: dts: ti: k3-am64: Add GPIO expander on I2C0 | Date | Sat, 23 Sep 2023 11:00:46 +0300 |
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A TCA9554 GPIO expander is present on I2C0. Add it.
Signed-off-by: Roger Quadros <rogerq@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@38 { + /* TCA9554 */ + compatible = "nxp,pca9554"; + reg = <0x38>; + gpio-controller; + #gpio-cells = <2>; + gpio-line-names = "HSE_DETECT"; + }; + eeprom@50 { /* AT24CM01 */ compatible = "atmel,24c1024"; -- 2.34.1
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