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arm: dts: k3-am642-evm-u-boot: Add I2C GPIO expander 

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

Signed-off-by: Roger Quadros <rogerq@kernel.org>
Reviewed-by: Kishon Vijay Abraham I <kishon@ti.com>
This commit is contained in:
Roger Quadros 2021-10-20 11:22:26 +03:00 committed by Praneeth Bajjuri
parent 780b6ee27a
commit a7f049e8ac
1 changed files with 8 additions and 0 deletions
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arch/arm/dts/k3-am642-evm-u-boot.dtsi
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@ -48,6 +48,14 @@
pinctrl-names = "default"; pinctrl-names = "default";
pinctrl-0 = <&main_i2c0_pins_default>; pinctrl-0 = <&main_i2c0_pins_default>;
clock-frequency = <400000>; clock-frequency = <400000>;
tca9554: gpio@38 {
u-boot,dm-spl;
compatible = "nxp,pca9554";
reg = <0x38>;
gpio-controller;
#gpio-cells = <2>;
};
}; };
&main_uart0 { &main_uart0 {