drivers: timer: gecko: Remove clock configuration

Clock setup is now done by the clock manager based on device tree configuration. Signed-off-by: Aksel Skauge Mellbye <aksel.mellbye@silabs.com>
zephyrproject-rtos · Oct 4, 2024 · 0d6380f · 0d6380f
1 parent abc98ae
commit 0d6380f
Show file tree

Hide file tree

Showing 5 changed files with 0 additions and 45 deletions.
diff --git a/boards/silabs/dev_kits/sltb010a/sltb010a_defconfig b/boards/silabs/dev_kits/sltb010a/sltb010a_defconfig
@@ -16,5 +16,4 @@ CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC=76800000
 
 # Use BURTC as system clock source
 CONFIG_GECKO_BURTC_TIMER=y
-CONFIG_CMU_BURTCCLK_LFXO=y
 CONFIG_SYS_CLOCK_TICKS_PER_SEC=1024
diff --git a/boards/silabs/dev_kits/xg27_dk2602a/xg27_dk2602a_defconfig b/boards/silabs/dev_kits/xg27_dk2602a/xg27_dk2602a_defconfig
@@ -16,5 +16,4 @@ CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC=76800000
 
 # Use BURTC as system clock source
 CONFIG_GECKO_BURTC_TIMER=y
-CONFIG_CMU_BURTCCLK_LFXO=y
 CONFIG_SYS_CLOCK_TICKS_PER_SEC=1024
diff --git a/boards/silabs/radio_boards/xg24_rb4187c/xg24_rb4187c_defconfig b/boards/silabs/radio_boards/xg24_rb4187c/xg24_rb4187c_defconfig
@@ -12,5 +12,4 @@ CONFIG_PINCTRL=y
 
 # Use BURTC as system clock source
 CONFIG_GECKO_BURTC_TIMER=y
-CONFIG_CMU_BURTCCLK_LFXO=y
 CONFIG_SYS_CLOCK_TICKS_PER_SEC=1024
diff --git a/drivers/timer/gecko_burtc_timer.c b/drivers/timer/gecko_burtc_timer.c
@@ -189,17 +189,6 @@ static int burtc_init(void)
 	/* Enable clock for BURTC CSRs on APB */
 	CMU_ClockEnable(cmuClock_BURTC, true);
 
-	/* Configure BURTC LF clocksource according to Kconfig */
-#if defined(CONFIG_CMU_BURTCCLK_LFXO)
-	CMU_ClockSelectSet(cmuClock_BURTC, cmuSelect_LFXO);
-#elif defined(CONFIG_CMU_BURTCCLK_LFRCO)
-	CMU_ClockSelectSet(cmuClock_BURTC, cmuSelect_LFRCO);
-#elif defined(CONFIG_CMU_BURTCCLK_ULFRCO)
-	CMU_ClockSelectSet(cmuClock_BURTC, cmuSelect_ULFRCO);
-#else
-#error "Unsupported BURTC clock specified"
-#endif
-
 	/* Calculate timing constants and init BURTC */
 	hw_clock_freq = CMU_ClockFreqGet(cmuClock_BURTC);
 	z_clock_hw_cycles_per_sec = hw_clock_freq;

diff --git a/soc/silabs/Kconfig b/soc/silabs/Kconfig
@@ -216,37 +216,6 @@ config CMU_HFCLK_HFRCO
 
 endchoice
 
-
-choice
-	prompt "BURTC Clock Selection"
-	depends on SOC_GECKO_BURTC
-	default CMU_BURTCCLK_LFRCO
-
-config CMU_BURTCCLK_LFXO
-	bool "LFXO - external low frequency crystal oscillator"
-	select CMU_NEED_LFXO
-	help
-	  Set this option to use LFXO - the external low freqency crystal oscillator
-	  as BURTC clock.
-	  Frequency is set by external crystal, typically 32.768 kHz.
-
-config CMU_BURTCCLK_LFRCO
-	bool "LFRCO - internal low frequency RC oscillator"
-	help
-	  Set this option to use LFRCO - the internal low freqency RC oscillator
-	  as BURTC clock.
-	  Frequency is approximately 32.768 kHz.
-
-config CMU_BURTCCLK_ULFRCO
-	bool "ULFRCO - internal ultra low frequency RC oscillator"
-	help
-	  Set this option to use ULFRCO - the external low freqency crystal oscillator
-	  as BURTC clock.
-	  Frequency is approximately 1 kHz.
-
-endchoice
-
-
 config CMU_HFXO_FREQ
 	int "External high frequency oscillator frequency"
 	help