iio: adc: stm32: fix maximum clock rate for stm32mp15x

Change maximum STM32 ADC input clock rate to 36MHz, as specified
in STM32MP15x datasheets.

Fixes: d58c67d ("iio: adc: stm32-adc: add support for STM32MP1")
Signed-off-by: Olivier Moysan <[email protected]>
Reviewed-by: Fabrice Gasnier <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Cc: <[email protected]>
Signed-off-by: Jonathan Cameron <[email protected]>

Author: Olivier Moysan

drivers/iio/adc/stm32-adc-core.c

@@ -809,7 +809,7 @@ static const struct stm32_adc_priv_cfg stm32h7_adc_priv_cfg = {
 static const struct stm32_adc_priv_cfg stm32mp1_adc_priv_cfg = {
 	.regs = &stm32h7_adc_common_regs,
 	.clk_sel = stm32h7_adc_clk_sel,
-	.max_clk_rate_hz = 40000000,
+	.max_clk_rate_hz = 36000000,
 	.has_syscfg = HAS_VBOOSTER | HAS_ANASWVDD,
 	.num_irqs = 2,
 	.num_adcs = 2,