Deprecate clock source selection from RTC driver

32K clock is shared by RTC, WUTs, timers and system so it is better be handled by the system driver. Signed-off-by: Tahsin Mutlugun <[email protected]>
analogdevicesinc · Jan 13, 2025 · 7afcda3 · 7afcda3
1 parent 07b66bd
commit 7afcda3
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Showing 2 changed files with 2 additions and 45 deletions.
diff --git a/Libraries/PeriphDrivers/Include/MAX32657/rtc.h b/Libraries/PeriphDrivers/Include/MAX32657/rtc.h
@@ -5,7 +5,7 @@
 
 /******************************************************************************
  *
- * Copyright (C) 2024 Analog Devices, Inc.
+ * Copyright (C) 2024-2025 Analog Devices, Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -75,15 +75,6 @@ typedef enum {
     MXC_RTC_INT_FL_READY = MXC_F_RTC_CTRL_RDY, /**< Timer ready interrupt flag */
 } mxc_rtc_int_fl_t;
 
-/**
- * @brief     Clock settings
- */
-typedef enum {
-    MXC_RTC_ERTCO_CLK = 0,
-    MXC_RTC_INRO_CLK = 1,
-    MXC_RTC_EXT_CLK = 2,
-} mxc_rtc_clock_t;
-
 /**
  * @brief     Set Time-of-Day alarm value and enable Interrupt
  * @param     ras    20-bit value 0-0xFFFFF
@@ -99,13 +90,6 @@ int MXC_RTC_SetTimeofdayAlarm(uint32_t ras);
  */
 int MXC_RTC_SetSubsecondAlarm(uint32_t rssa);
 
-/**
- * @brief     Set the RTC clock source
- * @param     clk_src   Clock source to use
- * @retval    returns Success or Fail, see \ref MXC_ERROR_CODES
- */
-int MXC_RTC_SetClockSource(mxc_rtc_clock_t clk_src);
-
 /**
  * @brief     Start the Real Time Clock (Blocking function)
  * @retval    returns Success or Fail, see \ref MXC_ERROR_CODES

diff --git a/Libraries/PeriphDrivers/Source/RTC/rtc_me30.c b/Libraries/PeriphDrivers/Source/RTC/rtc_me30.c
@@ -1,6 +1,6 @@
 /******************************************************************************
  *
- * Copyright (C) 2024 Analog Devices, Inc.
+ * Copyright (C) 2024-2025 Analog Devices, Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -65,33 +65,6 @@ int MXC_RTC_SetSubsecondAlarm(uint32_t rssa)
     return MXC_RTC_RevA_SetSubsecondAlarm((mxc_rtc_reva_regs_t *)MXC_RTC, rssa);
 }
 
-int MXC_RTC_SetClockSource(mxc_rtc_clock_t clk_src)
-{
-    uint8_t retval = E_NO_ERROR;
-
-    switch (clk_src) {
-    case MXC_RTC_ERTCO_CLK:
-#ifndef MSDK_NO_GPIO_CLK_INIT
-        retval = MXC_SYS_ClockSourceEnable(MXC_SYS_CLOCK_ERTCO);
-#endif // MSDK_NO_GPIO_CLK_INIT
-        MXC_SETFIELD(MXC_MCR->ctrl, MXC_F_MCR_CTRL_CLKSEL, MXC_S_MCR_CTRL_CLKSEL_ERTCO);
-        break;
-
-    case MXC_RTC_INRO_CLK:
-        MXC_SETFIELD(MXC_MCR->ctrl, MXC_F_MCR_CTRL_CLKSEL, MXC_S_MCR_CTRL_CLKSEL_INRO_DIV4);
-        break;
-
-    case MXC_RTC_EXT_CLK:
-        return E_NOT_SUPPORTED;
-
-    default:
-        // Invalid clock source
-        return E_BAD_PARAM;
-    }
-
-    return retval;
-}
-
 int MXC_RTC_Start(void)
 {
     return MXC_RTC_RevA_Start((mxc_rtc_reva_regs_t *)MXC_RTC);