On 5/8/25 23:24, Johannes Krottmayer wrote: > The pins for USART1 have must be changed to other values, to > support the STM32H747 discovery board. > > Signed-off-by: Johannes Krottmayer <[email protected]> > Cc: Patrick Delaunay <[email protected]> > Cc: Patrice Chotard <[email protected]> > --- > dts/upstream/src/arm/st/stm32h7-pinctrl.dtsi | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/dts/upstream/src/arm/st/stm32h7-pinctrl.dtsi > b/dts/upstream/src/arm/st/stm32h7-pinctrl.dtsi > index 7f1d234e102..7d7c87aa2fe 100644 > --- a/dts/upstream/src/arm/st/stm32h7-pinctrl.dtsi > +++ b/dts/upstream/src/arm/st/stm32h7-pinctrl.dtsi > @@ -213,13 +213,13 @@ > > usart1_pins: usart1-0 { > pins1 { > - pinmux = <STM32_PINMUX('B', 14, AF4)>; /* USART1_TX */ > + pinmux = <STM32_PINMUX('A', 9, AF7)>; /* USART1_TX */ > bias-disable; > drive-push-pull; > slew-rate = <0>; > }; > pins2 { > - pinmux = <STM32_PINMUX('B', 15, AF4)>; /* USART1_RX */ > + pinmux = <STM32_PINMUX('A', 10, AF7)>; /* USART1_RX */ > bias-disable; > }; > }; Hi Johannes Same remark as Quentin did on Patch 9, don't update DT files from dts/upstream/src/... as it's a synchronization with kernel device tree. If you need a new pinctrl configuration for USART1, add a new one in kernel device tree and submit it to kernel mailing list. Thanks Patrice
