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samples: drivers: led_ws2812: nRF5340DK support

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New config files to support nrf5340-based boards

Signed-off-by: Daniel Istvan Nemeth <nemeth.daniel.istvan@hallgato.ppke.hu>
This commit is contained in:
Daniel Istvan Nemeth 2023-11-08 00:34:26 +01:00 committed by Carles Cufí
parent 9439c816e9
commit e5dbb26c72
3 changed files with 43 additions and 0 deletions
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2
samples/drivers/led_ws2812/README.rst
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@ -102,6 +102,8 @@ This sample uses different drivers depending on the selected board:
I2S driver:
- thingy52_nrf52832
- nrf5340dk_nrf5340 (3.3V logic level, a logic level shifter may be required)
- should work for other boards featuring an nRF5340 host processor
SPI driver:

5
samples/drivers/led_ws2812/boards/nrf5340dk_nrf5340.conf Normal file
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@ -0,0 +1,5 @@
CONFIG_SPI=n
CONFIG_I2S=y
CONFIG_WS2812_STRIP=y
CONFIG_WS2812_STRIP_I2S=y

36
samples/drivers/led_ws2812/boards/nrf5340dk_nrf5340.overlay Normal file
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@ -0,0 +1,36 @@
#include <zephyr/dt-bindings/led/led.h>
&pinctrl {
i2s0_default_alt: i2s0_default_alt {
group1 {
/* Default I2S config for the nRF5340, P1.13 is the output */
psels = <NRF_PSEL(I2S_SCK_M, 1, 15)>,
<NRF_PSEL(I2S_LRCK_M, 1, 12)>,
<NRF_PSEL(I2S_SDOUT, 1, 13)>,
<NRF_PSEL(I2S_SDIN, 1, 14)>;
};
};
};
i2s_led: &i2s0 {
status = "okay";
pinctrl-0 = <&i2s0_default_alt>;
pinctrl-names = "default";
};
/ {
led_strip: ws2812 {
compatible = "worldsemi,ws2812-i2s";
i2s-dev = <&i2s_led>;
chain-length = <42>; /* arbitrary; change at will */
color-mapping = <LED_COLOR_ID_GREEN
LED_COLOR_ID_RED
LED_COLOR_ID_BLUE>;
reset-delay = <500>;
};
aliases {
led-strip = &led_strip;
};
};