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arm64: dts: rockchip: add rk3576-vehicle-evb-v21-mcu-io-expander.dtsi

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Signed-off-by: Luo Wei <lw@rock-chips.com>
Change-Id: I96f501eeb559a6d0acfd7aca4031796c486cc5de
This commit is contained in:
Luo Wei
2025-06-12 18:49:04 +08:00
committed by Tom Song
parent 8cbed8a20d
commit 86339ab59a
1 changed files with 44 additions and 0 deletions
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arch/arm64/boot/dts/rockchip/rk3576-vehicle-evb-v21-mcu-io-expander.dtsi Normal file
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// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
* Copyright (c) 2023 Rockchip Electronics Co., Ltd.
*
*/
/ {
gpio_mcu_rockchip: gpio-mcu-rockchip {
compatible = "rockchip,mcu-gpio";
gpio-controller;
#gpio-cells = <2>;
ngpios = <32>;
interrupt-controller;
#interrupt-cells = <2>;
status = "okay";
};
};
&spi4 {
compatible = "rockchip,spi-slave";
status = "okay";
pinctrl-names = "default", "high_speed";
pinctrl-0 = <&spi4m3_csn0 &spi4m3_pins>;
ready-gpios = <&gpio0 RK_PC4 GPIO_ACTIVE_LOW>;
slave@0 {
compatible = "rockchip,vehicle-spi";
status = "okay";
id = <0x0>;
reg = <0x0>;
spi-max-frequency = <1000000>;
spi-lsb-first;
pinctrl-names = "default";
pinctrl-0 = <&spi_irq_mcu>;
irq-gpios = <&gpio2 RK_PC0 GPIO_ACTIVE_LOW>;
};
};
&pinctrl {
slave-external-mcu {
spi_irq_mcu: spi-irq-mcu {
rockchip,pins = <2 RK_PC0 RK_FUNC_GPIO &pcfg_pull_up>;
};
};
};