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ulp: Added support for RTC I2C driver for ULP RISC-V on esp32s2 and esp32s3

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This commit adds support for using the RTC I2C peripheral on the ULP
RISC-V core for esp32s2 and esp32s3. It also adds an example to demonstrate the
usage of the RTC I2C peripheral.

This commit also modifies the rtc_i2c register structure files to enable
the use of bitfields in the ULP RISC-V RTC I2C driver.
This commit is contained in:
Sudeep Mohanty
2022-08-09 15:46:14 +02:00
parent 6193e4c8e8
commit 4fde033a5f
21 changed files with 1559 additions and 302 deletions
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1
components/ulp/ld/esp32s3.peripherals.ld
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@@ -7,3 +7,4 @@
PROVIDE ( RTCCNTL = 0x8000 );
PROVIDE ( RTCIO = 0xA400 );
PROVIDE ( SENS = 0xC800 );
PROVIDE ( RTC_I2C = 0xEC00 );