Files
rockchip-kernel/arch/arm64/boot/dts/rockchip/rk3576-vehicle-evb-v10-nca9539-io-expander.dtsi
Luo Wei 7df2bd15e3 arm64: dts: rockchip: rk3576-vehicle-evb: init dts files
Change-Id: I3fa36362f761ef9a2de9ff22a3a111a6200d6aad
Signed-off-by: Luo Wei <lw@rock-chips.com>
Signed-off-by: Zheng zhiqi <looper.zheng@rock-chips.com>
Signed-off-by: Cai Wenzhong <wenzhong.cai@rock-chips.com>
Signed-off-by: Xu Xuehui <xxh@rock-chips.com>
2024-03-18 15:56:45 +08:00

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// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
* Copyright (c) 2023 Rockchip Electronics Co., Ltd.
*
*/
/ {
nca9539_vdd: nca9539-vdd3v3 {
compatible = "regulator-fixed";
regulator-name = "nca9539_vdd";
regulator-boot-on;
regulator-always-on;
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
startup-delay-us = <20>; // NCA9539 POR
vin-supply = <&vcc_3v3_s0>;
};
};
&i2c7 {
pinctrl-0 = <&i2c7m1_xfer>;
clock-frequency = <400000>;
status = "okay";
nca9539_gpio: gpio@74 {
status = "okay";
compatible = "novo,nca9539-gpio";
reg = <0x74>;
gpio-controller;
#gpio-cells = <2>;
ngpios = <16>;
interrupt-controller;
#interrupt-cells = <2>;
vdd-supply = <&nca9539_vdd>;
};
};