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bt65.dts
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bt65.dts
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/*
* Copyright (c) 2021 Polarity Works
*
* SPDX-License-Identifier: MIT
*/
/dts-v1/;
#include <nordic/nrf52840_qiaa.dtsi>
#include <dt-bindings/led/led.h>
#include <dt-bindings/zmk/matrix_transform.h>
/ {
model = "BT65";
compatible = "polarityworks,bt65";
chosen {
zephyr,code-partition = &code_partition;
zephyr,sram = &sram0;
zephyr,flash = &flash0;
zmk,kscan = &kscan0;
zmk,underglow = &led_strip;
zmk,backlight = &backlight;
zmk,matrix_transform = &default_transform;
};
sensors {
compatible = "zmk,keymap-sensors";
sensors = <&encoder_1>;
};
default_transform: keymap_transform_0 {
compatible = "zmk,matrix-transform";
columns = <16>;
rows = <5>;
map = <
RC(1,0) RC(1,1) RC(1,2) RC(1,3) RC(1,4) RC(1,5) RC(1,6) RC(1,7) RC(1,8) RC(1,9) RC(1,10) RC(1,11) RC(1,12) RC(1,13) RC(1,15)
RC(2,0) RC(2,1) RC(2,2) RC(2,3) RC(2,4) RC(2,5) RC(2,6) RC(2,7) RC(2,8) RC(2,9) RC(2,10) RC(2,11) RC(2,12) RC(2,13) RC(2,15)
RC(3,0) RC(3,1) RC(3,2) RC(3,3) RC(3,4) RC(3,5) RC(3,6) RC(3,7) RC(3,8) RC(3,9) RC(3,10) RC(3,11) RC(3,13) RC(3,15)
RC(4,0) RC(4,2) RC(4,3) RC(4,4) RC(4,5) RC(4,6) RC(4,7) RC(4,8) RC(4,9) RC(4,10) RC(4,11) RC(4,12) RC(4,14) RC(4,15)
RC(5,0) RC(5,1) RC(5,2) RC(5,6) RC(5,10) RC(5,11) RC(5,12) RC(5,13) RC(5,14) RC(5,15)
>;
};
kscan0: kscan_0 {
compatible = "zmk,kscan-gpio-matrix";
label = "KSCAN";
diode-direction = "col2row";
col-gpios
= <&gpio1 11 GPIO_ACTIVE_HIGH>
, <&gpio1 10 GPIO_ACTIVE_HIGH>
, <&gpio1 13 GPIO_ACTIVE_HIGH>
, <&gpio1 15 GPIO_ACTIVE_HIGH>
, <&gpio0 3 GPIO_ACTIVE_HIGH>
, <&gpio0 2 GPIO_ACTIVE_HIGH>
, <&gpio0 28 GPIO_ACTIVE_HIGH>
, <&gpio0 29 GPIO_ACTIVE_HIGH>
, <&gpio0 30 GPIO_ACTIVE_HIGH>
, <&gpio0 31 GPIO_ACTIVE_HIGH>
, <&gpio0 5 GPIO_ACTIVE_HIGH>
, <&gpio0 7 GPIO_ACTIVE_HIGH>
, <&gpio1 9 GPIO_ACTIVE_HIGH>
, <&gpio0 12 GPIO_ACTIVE_HIGH>
, <&gpio0 23 GPIO_ACTIVE_HIGH>
, <&gpio1 6 GPIO_ACTIVE_HIGH>
;
row-gpios
= <&gpio0 22 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
, <&gpio1 0 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
, <&gpio1 3 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
, <&gpio1 1 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
, <&gpio1 2 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
, <&gpio1 4 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
;
};
ext-power {
compatible = "zmk,ext-power-generic";
label = "EXT_POWER";
control-gpios = <&gpio0 13 GPIO_ACTIVE_HIGH>;
};
encoder_1: encoder_1 {
compatible = "alps,ec11";
label = "ENCODER_ONE";
a-gpios = <&gpio0 21 (GPIO_ACTIVE_HIGH | GPIO_PULL_UP)>;
b-gpios = <&gpio0 19 (GPIO_ACTIVE_HIGH | GPIO_PULL_UP)>;
resolution = <4>;
status = "okay";
};
encoder_2: encoder_2 {
compatible = "alps,ec11";
label = "ENCODER_TWO";
a-gpios = <&gpio0 26 (GPIO_ACTIVE_HIGH | GPIO_PULL_UP)>;
b-gpios = <&gpio0 6 (GPIO_ACTIVE_HIGH | GPIO_PULL_UP)>;
resolution = <4>;
status = "okay";
};
encoder_3: encoder_3 {
compatible = "alps,ec11";
label = "encoder_3";
a-gpios = <&gpio0 9 (GPIO_ACTIVE_HIGH | GPIO_PULL_UP)>;
b-gpios = <&gpio0 10 (GPIO_ACTIVE_HIGH | GPIO_PULL_UP)>;
resolution = <4>;
status = "okay";
};
backlight: pwmleds {
compatible = "pwm-leds";
label = "Backlight LEDs";
pwm_led_0 {
pwms = <&pwm0 17>;
label = "Backlight LED 0";
};
};
leds {
compatible = "gpio-leds";
blue_led: led_0 {
gpios = <&gpio0 15 GPIO_ACTIVE_HIGH>;
label = "Blue LED";
};
};
vbatt {
compatible = "zmk,battery-voltage-divider";
label = "BATTERY";
io-channels = <&adc 2>;
output-ohms = <100000>;
full-ohms = <(100000 + 100000)>;
};
};
&adc {
status = "okay";
};
&pwm0 {
status = "okay";
ch0-pin = <17>;
};
&gpiote {
status = "okay";
};
&gpio0 {
status = "okay";
};
&gpio1 {
status = "okay";
};
&i2c0 {
compatible = "nordic,nrf-twi";
sda-pin = <17>;
scl-pin = <20>;
};
&uart0 {
compatible = "nordic,nrf-uarte";
tx-pin = <6>;
rx-pin = <8>;
};
&usbd {
status = "okay";
};
&flash0 {
/*
* For more information, see:
* http://docs.zephyrproject.org/latest/devices/dts/flash_partitions.html
*/
partitions {
compatible = "fixed-partitions";
#address-cells = <1>;
#size-cells = <1>;
sd_partition: partition@0 {
label = "softdevice";
reg = <0x00000000 0x00026000>;
};
code_partition: partition@26000 {
label = "code_partition";
reg = <0x00026000 0x000c6000>;
};
/*
* The flash starting at 0x000ec000 and ending at
* 0x000f3fff is reserved for use by the application.
*/
/*
* Storage partition will be used by FCB/LittleFS/NVS
* if enabled.
*/
storage_partition: partition@ec000 {
label = "storage";
reg = <0x000ec000 0x00008000>;
};
boot_partition: partition@f4000 {
label = "adafruit_boot";
reg = <0x000f4000 0x0000c000>;
};
};
};
&spi1 {
compatible = "nordic,nrf-spim";
status = "okay";
mosi-pin = <20>;
// Unused pins, needed for SPI definition, but not used by the ws2812 driver itself.
sck-pin = <27>;
miso-pin = <11>;
led_strip: ws2812@0 {
compatible = "worldsemi,ws2812-spi";
label = "WS2812";
/* SPI */
reg = <0>;
spi-max-frequency = <4000000>;
/* WS2812 */
chain-length = <12>; /* number of LEDs */
spi-one-frame = <0x70>;
spi-zero-frame = <0x40>;
color-mapping = <LED_COLOR_ID_GREEN
LED_COLOR_ID_RED
LED_COLOR_ID_BLUE>;
};
};