On Wed, Dec 16, 2020 at 05:52:34PM +0100, Grzegorz Jaszczyk wrote: > Hi All, > > The Programmable Real-Time Unit and Industrial Communication Subsystem > (PRU-ICSS or simply PRUSS) on various TI SoCs consists of dual 32-bit > RISC cores (Programmable Real-Time Units, or PRUs) for program execution. > > There are 3 foundation components for PRUSS subsystem: the PRUSS platform > driver, the PRUSS INTC driver and the PRUSS remoteproc driver. All were > already merged and can be found under: > 1) drivers/soc/ti/pruss.c > Documentation/devicetree/bindings/soc/ti/ti,pruss.yaml > 2) drivers/irqchip/irq-pruss-intc.c > Documentation/devicetree/bindings/interrupt-controller/ti,pruss-intc.yaml > 3) drivers/remoteproc/pru_rproc.c > Documentation/devicetree/bindings/remoteproc/ti,pru-rproc.yaml > > The programmable nature of the PRUs provide flexibility to implement custom > peripheral interfaces, fast real-time responses, or specialized data handling. > Example of a PRU consumer drivers will be: > - Software UART over PRUSS > - PRU-ICSS Ethernet EMAC > > In order to make usage of common PRU resources and allow the consumer drivers to > configure the PRU hardware for specific usage the PRU API is introduced. > > Patch #3 of this series depends on one not merged remteproc related patch [1]. > > Please see the individual patches for exact changes in each patch, following is > the only change from v1: > - Change the 'prus' property name to 'ti,prus' as suggested by Rob Herring, > which influences patch #1 and patch #2 > > [1] https://patchwork.kernel.org/project/linux-remoteproc/patch/20201121030156.22857-3-s-anna@xxxxxx/ > > Best regards, > Grzegorz > > Roger Quadros (1): > remoteproc: pru: Add pru_rproc_set_ctable() function > > Suman Anna (2): > dt-bindings: remoteproc: Add PRU consumer bindings > remoteproc: pru: Deny rproc sysfs ops for PRU client driven boots > > Tero Kristo (2): > remoteproc: pru: Add APIs to get and put the PRU cores > remoteproc: pru: Configure firmware based on client setup > > .../bindings/remoteproc/ti,pru-consumer.yaml | 64 +++++ > drivers/remoteproc/pru_rproc.c | 221 +++++++++++++++++- > include/linux/pruss.h | 78 +++++++ This patchset is giving checkpatch.pl errors and as such will not go further with this revision. > 3 files changed, 360 insertions(+), 3 deletions(-) > create mode 100644 Documentation/devicetree/bindings/remoteproc/ti,pru-consumer.yaml > create mode 100644 include/linux/pruss.h > > -- > 2.29.0 >
