linux-kernel - Re: [PATCH v4 0/6] Add a PRU remoteproc driver

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Message-ID: <0dc797aa-b938-4a9a-b8cb-ec73508563fd@ti.com>
Date:   Thu, 10 Dec 2020 09:30:58 -0600
From:   Suman Anna <s-anna@...com>
To:     Grzegorz Jaszczyk <grzegorz.jaszczyk@...aro.org>,
        <ohad@...ery.com>, <bjorn.andersson@...aro.org>,
        <mathieu.poirier@...aro.org>, <robh+dt@...nel.org>
CC:     <linux-remoteproc@...r.kernel.org>, <lee.jones@...aro.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-omap@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>, <praneeth@...com>,
        <rogerq@...com>
Subject: Re: [PATCH v4 0/6] Add a PRU remoteproc driver

Hi Bjorn,

On 12/8/20 8:09 AM, 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.
> 
> The K3 AM65x and J721E SoCs have the next generation of the PRU-ICSS IP,
> commonly called ICSSG. The ICSSG IP on AM65x SoCs has two PRU cores,
> two auxiliary custom PRU cores called Real Time Units (RTUs). The K3
> AM65x SR2.0 and J721E SoCs have a revised version of the ICSSG IP, and
> include two additional custom auxiliary PRU cores called Transmit PRUs
> (Tx_PRUs).
> 
> This series contains the PRUSS remoteproc driver together with relevant
> dt-binding. This is the 3rd foundation component for PRUSS subsystem, the
> previous two 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 following is a v4 version of the series. There is only one change
> from v3 [1]:
> - Use sizeof(unsigned int) instead of sizeof(int) for kcalloc in
> pru_handle_intrmap() in patch #3.
> 
> [1] https://patchwork.kernel.org/project/linux-arm-kernel/cover/20201204201807.14716-1-grzegorz.jaszczyk@linaro.org/
> 
> Best regards,
> Grzegorz
> 
> Grzegorz Jaszczyk (1):
>   remoteproc: pru: Add support for PRU specific interrupt configuration
> 
> Suman Anna (5):
>   dt-bindings: remoteproc: Add binding doc for PRU cores in the PRU-ICSS
>   remoteproc: pru: Add a PRU remoteproc driver
>   remoteproc: pru: Add pru-specific debugfs support
>   remoteproc: pru: Add support for various PRU cores on K3 AM65x SoCs
>   remoteproc: pru: Add support for various PRU cores on K3 J721E SoCs

All patches in this series are Reviewed now and we have got the binding ack as
well. Can you please pick this series up for 5.11 if it is not too late?

Thank you,
Suman

> 
>  .../bindings/remoteproc/ti,pru-rproc.yaml     | 214 +++++
>  drivers/remoteproc/Kconfig                    |  12 +
>  drivers/remoteproc/Makefile                   |   1 +
>  drivers/remoteproc/pru_rproc.c                | 875 ++++++++++++++++++
>  drivers/remoteproc/pru_rproc.h                |  46 +
>  5 files changed, 1148 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/remoteproc/ti,pru-rproc.yaml
>  create mode 100644 drivers/remoteproc/pru_rproc.c
>  create mode 100644 drivers/remoteproc/pru_rproc.h
>