On Wed, 14 Feb 2024 18:21:25 +0100, Arnaud Pouliquen wrote: > The "st,stm32mp1-m4-tee" compatible is utilized in a system configuration > where the Cortex-M4 firmware is loaded by the Trusted execution Environment > (TEE). > For instance, this compatible is used in both the Linux and OP-TEE > device-tree: > - In OP-TEE, a node is defined in the device tree with the > st,stm32mp1-m4-tee to support signed remoteproc firmware. > Based on DT properties, OP-TEE authenticates, loads, starts, and stops > the firmware. > - On Linux, when the compatibility is set, the Cortex-M resets should not > be declared in the device tree. > > Signed-off-by: Arnaud Pouliquen <arnaud.pouliquen@xxxxxxxxxxx> > --- > V1 to V2 updates > - update "st,stm32mp1-m4" compatible description to generalize > - remove the 'reset-names' requirement in one conditional branch, as the > property is already part of the condition test. > --- > .../bindings/remoteproc/st,stm32-rproc.yaml | 51 ++++++++++++++++--- > 1 file changed, 43 insertions(+), 8 deletions(-) > Reviewed-by: Rob Herring <robh@xxxxxxxxxx>
