170 lines
2.7 KiB
Plaintext
170 lines
2.7 KiB
Plaintext
/dts-v1/;
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#include <ambiq/ambiq_apollo3_blue.dtsi>
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#include "apollo3_evb-pinctrl.dtsi"
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/ {
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model = "Ambiq Apollo3 Blue evaluation board";
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compatible = "ambiq,apollo3_evb";
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chosen {
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zephyr,itcm = &tcm;
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zephyr,sram = &sram0;
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zephyr,flash = &flash0;
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zephyr,console = &uart0;
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zephyr,shell-uart = &uart0;
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zephyr,uart-pipe = &uart0;
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zephyr,flash-controller = &flash;
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zephyr,bt_hci = &bt_hci_apollo;
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};
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aliases {
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watchdog0 = &wdt0;
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led0 = &led0;
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led1 = &led1;
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led2 = &led2;
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sw0 = &button0;
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sw1 = &button1;
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};
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leds {
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compatible = "gpio-leds";
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led0: led_0 {
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gpios = <&gpio0_31 10 GPIO_ACTIVE_LOW>;
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label = "LED 0";
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};
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led1: led_1 {
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gpios = <&gpio0_31 30 GPIO_ACTIVE_LOW>;
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label = "LED 1";
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};
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led2: led_2 {
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gpios = <&gpio0_31 15 GPIO_ACTIVE_LOW>;
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label = "LED 2";
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};
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led3: led_3 {
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gpios = <&gpio0_31 14 GPIO_ACTIVE_LOW>;
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label = "LED 3";
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};
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led4: led_4 {
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gpios = <&gpio0_31 17 GPIO_ACTIVE_LOW>;
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label = "LED 4";
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};
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};
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buttons {
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compatible = "gpio-keys";
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button0: button_0 {
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gpios = <&gpio0_31 16 GPIO_ACTIVE_LOW>;
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label = "BTN0";
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};
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button1: button_1 {
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gpios = <&gpio0_31 18 GPIO_ACTIVE_LOW>;
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label = "BTN1";
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};
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button2: button_2 {
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gpios = <&gpio0_31 19 GPIO_ACTIVE_LOW>;
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label = "BTN2";
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};
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};
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};
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&flash0 {
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erase-block-size = <8192>;
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write-block-size = <4>;
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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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/* Set 16KB of storage at the end of the 976KB of flash */
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storage_partition: partition@f0000 {
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label = "storage";
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reg = <0x000f0000 0x4000>;
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};
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};
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};
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&bleif {
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pinctrl-0 = <&bleif_default>;
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pinctrl-names = "default";
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status = "okay";
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};
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&uart0 {
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current-speed = <115200>;
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pinctrl-0 = <&uart0_default>;
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pinctrl-names = "default";
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status = "okay";
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};
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&wdt0 {
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status = "okay";
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};
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&spi0 {
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compatible = "ambiq,spi";
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pinctrl-0 = <&spi0_default>;
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pinctrl-names = "default";
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cs-gpios = <&gpio0_31 11 GPIO_ACTIVE_LOW>;
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clock-frequency = <DT_FREQ_M(1)>;
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status = "okay";
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};
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&i2c3 {
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compatible = "ambiq,i2c";
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pinctrl-0 = <&i2c3_default>;
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pinctrl-names = "default";
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clock-frequency = <I2C_BITRATE_STANDARD>;
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scl-gpios = <&gpio32_63 10 (GPIO_OPEN_DRAIN | GPIO_PULL_UP)>;
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sda-gpios = <&gpio32_63 11 (GPIO_OPEN_DRAIN | GPIO_PULL_UP)>;
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status = "okay";
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};
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&counter0 {
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status = "okay";
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};
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&counter1 {
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status = "okay";
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};
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&counter2 {
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status = "okay";
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};
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&counter3 {
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status = "okay";
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};
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&counter4 {
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status = "okay";
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};
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&counter5 {
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status = "okay";
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};
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&counter6 {
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status = "okay";
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};
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&counter7 {
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status = "okay";
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};
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&adc0 {
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compatible = "ambiq,adc";
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pinctrl-0 = <&adc0_default>;
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pinctrl-names = "default";
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status = "disabled";
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};
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&gpio0_31 {
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status = "okay";
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};
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&gpio32_63 {
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status = "okay";
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};
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