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[68.147.0.187]) by smtp.gmail.com with ESMTPSA id i67sm3790692pfc.153.2021.01.06.15.27.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 06 Jan 2021 15:27:06 -0800 (PST) Date: Wed, 6 Jan 2021 16:27:04 -0700 From: Mathieu Poirier To: Grzegorz Jaszczyk Cc: ohad@wizery.com, bjorn.andersson@linaro.org, robh+dt@kernel.org, s-anna@ti.com, ssantosh@kernel.org, linux-remoteproc@vger.kernel.org, lee.jones@linaro.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org, praneeth@ti.com, rogerq@ti.com, t-kristo@ti.com Subject: Re: [PATCH v2 0/5] Introduce PRU remoteproc consumer API Message-ID: <20210106232704.GE9149@xps15> References: <20201216165239.2744-1-grzegorz.jaszczyk@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20201216165239.2744-1-grzegorz.jaszczyk@linaro.org> Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org 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@ti.com/ > > 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 >