On Fri, 04 Nov 2022 15:23:43 +0100, Thierry Reding wrote: > From: Thierry Reding <treding@xxxxxxxxxx> > > Tegra194 has two separate instances of the pin controller, one called > AON (in the always-on domain) and another called "main". Instead of > treating them as a single pin controller, split them up into two > separate controllers. Doing so allows the mapping between the pinmux and > GPIO controllers to be trivial identity mappings and more cleanly > separates the AON from the main IP blocks. > > Note that while this changes the DT node in an incompatible way, this > doesn't have any practical implications for backwards-compatibility. The > reason for this is that device trees have only reconfigured a very > narrow subset of pins of the main controller, so the new driver will > remain backwards-compatible with old device trees. > > Signed-off-by: Thierry Reding <treding@xxxxxxxxxx> > --- > Changes in v3: > - update for common bindings restructure > > Changes in v2: > - add missing "type: object" to patternProperties nodes > - add note about backwards-compatibility > > .../pinctrl/nvidia,tegra194-pinmux.yaml | 235 ++++++++++++++++-- > 1 file changed, 215 insertions(+), 20 deletions(-) > Reviewed-by: Rob Herring <robh@xxxxxxxxxx>
