zmk_mf68/app/boards/arm/bdn9/bdn9_rev2.dts
Pete Johanson 39490552f2 feat(boards): Add BDN9 Rev2 board.
* Onboard stm32f072.
* 3 possible encoder positions.
* Underglow/per-key not yet support.
2020-12-31 14:46:15 -05:00

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/*
* Copyright (c) 2020 The ZMK Contributors
*
* SPDX-License-Identifier: MIT
*/
/dts-v1/;
#include <st/f0/stm32f072Xb.dtsi>
/ {
model = "Keeb.io BDN9 rev2";
compatible = "keebio,bdn9", "st,stm32f072";
chosen {
zephyr,sram = &sram0;
zephyr,flash = &flash0;
zmk,kscan = &kscan;
/* TODO: Enable once the GPIO bitbanging driver supports STM32
zmk,underglow = &led_strip;
*/
};
kscan: kscan {
compatible = "zmk,kscan-gpio-direct";
label = "KSCAN";
input-gpios
= <&gpiob 12 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>
, <&gpiob 5 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>
, <&gpiob 6 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>
, <&gpiob 14 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>
, <&gpiob 4 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>
, <&gpiob 7 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>
, <&gpioa 3 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>
, <&gpiof 1 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>
, <&gpiof 0 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>
;
};
/*
led_strip: ws2812 {
compatible = "worldsemi,ws2812-gpio";
label = "WS2812";
in-gpios = <&gpiob 15 0>;
chain-length = <9>;
};
*/
left_encoder: encoder_left {
compatible = "alps,ec11";
label = "LEFT_ENCODER";
a-gpios = <&gpioa 4 (GPIO_ACTIVE_HIGH | GPIO_PULL_UP)>;
b-gpios = <&gpioa 8 (GPIO_ACTIVE_HIGH | GPIO_PULL_UP)>;
resolution = <4>;
status = "disabled";
};
mid_encoder: encoder_mid {
compatible = "alps,ec11";
label = "MID_ENCODER";
a-gpios = <&gpioa 9 (GPIO_ACTIVE_HIGH | GPIO_PULL_UP)>;
b-gpios = <&gpioa 10 (GPIO_ACTIVE_HIGH | GPIO_PULL_UP)>;
resolution = <4>;
status = "disabled";
};
right_encoder: encoder_right {
compatible = "alps,ec11";
label = "RIGHT_ENCODER";
a-gpios = <&gpioa 15 (GPIO_ACTIVE_HIGH | GPIO_PULL_UP)>;
b-gpios = <&gpiob 3 (GPIO_ACTIVE_HIGH | GPIO_PULL_UP)>;
resolution = <4>;
status = "disabled";
};
sensors: sensors {
compatible = "zmk,keymap-sensors";
status = "disabled";
sensors = <>;
};
};
&usb {
status = "okay";
};
&rtc {
status = "okay";
};
&flash0 {
/*
* For more information, see:
* http://docs.zephyrproject.org/latest/guides/dts/index.html#flash-partitions
*/
partitions {
compatible = "fixed-partitions";
#address-cells = <1>;
#size-cells = <1>;
/* Set 6Kb of storage at the end of the 128Kb of flash */
storage_partition: partition@3e800 {
label = "storage";
reg = <0x0001e800 0x00001800>;
};
};
};