HI all. Am Fr., 11. Dez. 2020 um 20:15 Uhr schrieb Grzegorz Jaszczyk <grzegorz.jaszczyk@xxxxxxxxxx>: > > 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 TI PRUSS subsystem: the PRUSS platform > driver, the PRUSS INTC driver and the PRUSS remoteproc driver. Two first 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 > > The third one [1] was accepted and applied to andersson/remoteproc.git > (refs/heads/for-next): [2] but is not merged yet. > > 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. > > This patch set depends on "Introduce PRU remoteproc consumer API" set [3], which > is complementary to this one but goes for different, remoteproc sub-system. > > [1] https://patchwork.kernel.org/project/linux-arm-kernel/cover/20201208141002.17777-1-grzegorz.jaszczyk@xxxxxxxxxx/ > [2] https://git.kernel.org/pub/scm/linux/kernel/git/andersson/remoteproc.git/commit/?h=for-next&id=b44786c9bdc46eac8388843f0a6116369cb18bca > [3] https://patchwork.kernel.org/project/linux-arm-kernel/cover/20201211142933.25784-1-grzegorz.jaszczyk@xxxxxxxxxx/ > > Best regards, > Grzegorz > > Andrew F. Davis (1): > soc: ti: pruss: Add pruss_{request,release}_mem_region() API > > Suman Anna (3): > soc: ti: pruss: Add pruss_cfg_read()/update() API > soc: ti: pruss: Add helper functions to set GPI mode, MII_RT_event and > XFR > soc: ti: pruss: Add helper function to enable OCP master ports > > Tero Kristo (2): > soc: ti: pruss: Add pruss_get()/put() API > soc: ti: pruss: Add helper functions to get/set PRUSS_CFG_GPMUX > > drivers/soc/ti/pruss.c | 257 ++++++++++++++++++++++++++++++++++- > include/linux/pruss.h | 221 ++++++++++++++++++++++++++++++ > include/linux/pruss_driver.h | 72 +++++++--- > 3 files changed, 526 insertions(+), 24 deletions(-) > > -- > 2.29.0 > Is there any update on this patch series? -- greets -- Christian Gmeiner, MSc https://christian-gmeiner.info/privacypolicy
