skiinder
e4c824d657
为IP5306 PMIC驱动添加了硬件看门狗脉冲生成功能，通过RTC2、GPIOTE和PPI外设实现硬 件级的唤醒脉冲生成。当配置keepalive-hardware属性时，系统将使用硬件方式而非软件 定时器来产生看门狗脉冲。 在设备树中新增keepalive-hardware布尔属性，用于启用硬件看门狗功能，并相应更新了 驱动程序以支持软硬件两种看门狗模式的选择。 相关的DTS文件和配置也进行了相应调整，包括添加必要的nRF52硬件抽象层依赖以及 RTC2和GPIOTE相关配置选项。
114 lines
2.0 KiB
Plaintext
114 lines
2.0 KiB
Plaintext
/dts-v1/;
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#include <nordic/nrf52840_qiaa.dtsi>
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#include "mini_keyboard-pinctrl.dtsi"
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#include <zephyr/dt-bindings/adc/adc.h>
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/ {
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model = "Mini keyboard";
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compatible = "atguigu,mini-keyboard";
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chosen {
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zephyr,sram = &sram0;
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zephyr,flash = &flash0;
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zephyr,code-partition = &slot0_partition;
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};
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aliases {
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led0 = &myled0;
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};
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leds {
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compatible = "gpio-leds";
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myled0: led_0 {
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gpios = <&gpio1 2 GPIO_ACTIVE_LOW>;
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};
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};
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vbatt: vbatt {
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compatible = "voltage-divider";
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io-channels = <&adc 7>;
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output-ohms = <100000>;
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full-ohms = <200000>;
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power-gpios = <&gpio0 9 GPIO_ACTIVE_HIGH>;
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power-on-sample-delay-us = <200>;
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};
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};
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&flash0 {
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partitions {
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compatible = "fixed-partitions";
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#address-cells = <1>;
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#size-cells = <1>;
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boot_partition: partition@0 {
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label = "mcuboot";
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reg = <0x00000000 DT_SIZE_K(48)>;
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};
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slot0_partition: partition@c000 {
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label = "image-0";
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reg = <0x0000c000 DT_SIZE_K(472)>;
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};
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slot1_partition: partition@82000 {
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label = "image-1";
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reg = <0x00082000 DT_SIZE_K(472)>;
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};
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storage_partition: partition@f8000 {
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label = "storage";
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reg = <0x000f8000 DT_SIZE_K(32)>;
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};
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};
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};
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&uicr {
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nfct-pins-as-gpios;
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};
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&adc {
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status = "okay";
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#address-cells = <1>;
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#size-cells = <0>;
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channel@7 {
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reg = <7>;
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zephyr,gain = "ADC_GAIN_1_4";
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zephyr,reference = "ADC_REF_INTERNAL";
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zephyr,acquisition-time = <ADC_ACQ_TIME(ADC_ACQ_TIME_MICROSECONDS, 40)>;
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zephyr,input-positive = <NRF_SAADC_AIN7>;
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zephyr,resolution = <14>;
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zephyr,oversampling = <4>;
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};
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};
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&i2c0 {
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status = "okay";
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pinctrl-0 = <&i2c0_default>;
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pinctrl-1 = <&i2c0_sleep>;
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pinctrl-names = "default", "sleep";
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clock-frequency = <400000>;
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ip5306: pmic@75 {
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compatible = "injoinic,ip5306";
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reg = <0x75>;
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wakeup-gpios = <&gpio0 22 GPIO_ACTIVE_LOW>;
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keepalive-interval-ms = <8000>;
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keepalive-pulse-width-ms = <500>;
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keepalive-hardware;
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status = "okay";
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};
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};
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&gpio0 {
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status = "okay";
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};
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&gpio1 {
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status = "okay";
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};
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&gpiote {
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status = "okay";
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};
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