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mimxrt/machine_uart: Enable CTS SION so it can be read.

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The new CYW43 BTHCI UART backend requires CTS pin to be defined and
readable.  This patch enables the CTS pin SION bit to allow it to be read
regardless of mux mode.

Signed-off-by: iabdalkader <i.abdalkader@gmail.com>
This commit is contained in:
iabdalkader
2025-03-03 17:32:41 +01:00
committed by Damien George
parent fa76d52edb
commit 399c10dc28
1 changed files with 1 additions and 1 deletions
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2
ports/mimxrt/machine_uart.c
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@@ -136,7 +136,7 @@ bool lpuart_set_iomux_cts(int8_t uart) {
int index = (uart - 1) * 2;
if (CTS.muxRegister != 0) {
IOMUXC_SetPinMux(CTS.muxRegister, CTS.muxMode, CTS.inputRegister, CTS.inputDaisy, CTS.configRegister, 0U);
IOMUXC_SetPinMux(CTS.muxRegister, CTS.muxMode, CTS.inputRegister, CTS.inputDaisy, CTS.configRegister, 1U);
IOMUXC_SetPinConfig(CTS.muxRegister, CTS.muxMode, CTS.inputRegister, CTS.inputDaisy, CTS.configRegister,
pin_generate_config(PIN_PULL_UP_100K, PIN_MODE_IN, PIN_DRIVE_6, CTS.configRegister));
return true;