Create seeeduino_xiao_ble.overlay

WainingForests · Dec 3, 2024 · 2645eb2 · 2645eb2
1 parent 2a6ad81
commit 2645eb2
Showing 1 changed file with 47 additions and 0 deletions.
diff --git a/config/boards/shields/6x5_manuform/boards/seeeduino_xiao_ble.overlay b/config/boards/shields/6x5_manuform/boards/seeeduino_xiao_ble.overlay
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+#include <dt-bindings/led/led.h>
+
+&pinctrl {
+	spi3_default: spi3_default {
+		group1 {
+			psels = <NRF_PSEL(SPIM_MOSI, 0, 9)>;
+		};
+	};
+
+	spi3_sleep: spi3_sleep {
+		group1 {
+			psels = <NRF_PSEL(SPIM_MOSI, 0, 9)>;
+			low-power-enable;
+		};
+	};
+};
+
+&spi3 {
+	compatible = "nordic,nrf-spim";
+	status = "okay";
+
+	pinctrl-0 = <&spi3_default>;
+	pinctrl-1 = <&spi3_sleep>;
+	pinctrl-names = "default", "sleep";
+
+	led_strip: ws2812@0 {
+		compatible = "worldsemi,ws2812-spi";
+		label = "WS2812";
+
+		/* SPI */
+		reg = <0>; /* ignored, but necessary for SPI bindings */
+		spi-max-frequency = <4000000>;
+
+		/* WS2812 */
+		chain-length = <24>; /* arbitrary; change at will */
+		spi-one-frame = <0x70>;
+		spi-zero-frame = <0x40>;
+
+		color-mapping = <LED_COLOR_ID_GREEN LED_COLOR_ID_RED LED_COLOR_ID_BLUE>;
+	};
+};
+
+/ {
+	chosen {
+		zmk,underglow = &led_strip;
+	};
+};