drivers: serial: uart_pl011_ambiq.h: Remove reserved CLK frequency

UART CLK does not support the 48MHz frequency option

Signed-off-by: Richard Wheatley <richard.wheatley@ambiq.com>
This commit is contained in:
Richard Wheatley 2023-09-01 08:09:52 -05:00 committed by Carles Cufí
commit 13484b5bdc

View file

@ -36,9 +36,6 @@ static inline int pl011_ambiq_clk_set(const struct device *dev, uint32_t clk)
case 24000000:
clksel = PL011_CR_AMBIQ_CLKSEL_24MHZ;
break;
case 48000000:
clksel = PL011_CR_AMBIQ_CLKSEL_48MHZ;
break;
default:
return -EINVAL;
}