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drivers: clock_control: add validation for SYS_CLOCK_HW_CYCLES_PER_SEC

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Check whether the value of SYS_CLOCK_HW_CYCLES_PER_SEC is valid.

Signed-off-by: Alvis Sun <yfsun@nuvoton.com>
This commit is contained in:
Alvis Sun 2025-06-11 14:58:13 +08:00 • committed by Benjamin Cabé
commit 2027d97dac
1 changed files with 2 additions and 0 deletions
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drivers/clock_control/clock_control_npcx.c
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@ -161,6 +161,8 @@ static DEVICE_API(clock_control, npcx_clock_control_api) = {
};
/* valid clock frequency check */
BUILD_ASSERT(CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC == OFMCLK / (APB2DIV_VAL + 1),
"SYS_CLOCK_HW_CYCLES_PER_SEC must equal to OFMCLK/APB2DIV_VAL");
BUILD_ASSERT(OFMCLK <= MAX_OFMCLK, "Exceed maximum OFMCLK setting");
BUILD_ASSERT(CORE_CLK <= MAX_OFMCLK && CORE_CLK >= MHZ(4) &&
OFMCLK % CORE_CLK == 0 &&