On Fri, 05 Sep 2025 15:55:46 +0200, Antonio Borneo wrote:

Document the support of the I/O synchronization parameters:
- skew-delay;
- skew-delay-direction;
- st,io-sync.

Require 'skew-delay-direction' when 'skew-delay' is non zero.
Allow the new properties only with compatibles that support them.
Add an example that uses all the new properties.

Co-developed-by: Fabien Dessenne <fabien.dessenne@foss.st.com>
Signed-off-by: Fabien Dessenne <fabien.dessenne@foss.st.com>
Signed-off-by: Antonio Borneo <antonio.borneo@foss.st.com>
---
 .../bindings/pinctrl/st,stm32-pinctrl.yaml    | 92 +++++++++++++++++++
 1 file changed, 92 insertions(+)

Reviewed-by: Rob Herring (Arm) <robh@kernel.org>