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Documentation/esp32s3: Add I2S defconfig documentation

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Add I2S defconfig documentation to esp32s3-devkit board

Signed-off-by: Eren Terzioglu <eren.terzioglu@espressif.com>
This commit is contained in:
Eren Terzioglu 2025-03-06 10:48:27 +01:00 • committed by Xiang Xiao
parent 97ff8906e4
commit 02110fdb54
1 changed files with 36 additions and 0 deletions
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Documentation/platforms/xtensa/esp32s3/boards/esp32s3-devkit/index.rst
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@ -260,6 +260,42 @@ using slave driver:
close(i2c_slave_fd);
}
i2schar
-------
This configuration enables the I2S character device and the i2schar example
app, which provides an easy-to-use way of testing the I2S peripherals (I2S0
and I2S1), enabling both the TX and the RX for those peripherals.
**I2S0 pinout**
============= ========== =========================================
ESP32-S3 Pin Signal Pin Description
============= ========== =========================================
0 MCLK Master Clock
4 BCLK Bit Clock (SCLK)
5 WS Word Select (LRCLK)
18 DOUT Data Out
19 DIN Data IN
============= ========== =========================================
**I2S1 pinout**
============= ========== =========================================
ESP32-S3 Pin Signal Pin Description
============= ========== =========================================
22 BCLK Bit Clock (SCLK)
23 WS Word Select (LRCLK)
25 DOUT Data Out
26 DIN Data IN
============= ========== =========================================
After successfully built and flashed, run on the boards's terminal::
i2schar -p /dev/i2schar[0-1]
The corresponding output should show related debug information.
knsh
----