linux-kernel - Re: [PATCH v3 0/8] Add IPROC I2C slave mode and NIC I2C support

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Date:   Sun, 20 Jan 2019 13:49:56 -0800
From:   Ray Jui <ray.jui@...adcom.com>
To:     Rayagonda Kokatanur <rayagonda.kokatanur@...adcom.com>,
        rjui@...adcom.com
Cc:     bcm-kernel-feedback-list@...adcom.com,
        shreesha.rajashekar@...adcom.com, sbranden@...adcom.com,
        wsa@...-dreams.de, linux-i2c@...r.kernel.org,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, ccheng@...adcom.com,
        heikki.krogerus@...ux.intel.com, geert@...ux-m68k.org,
        arnd@...db.de, manivannan.sadhasivam@...aro.org, ajayg@...dia.com,
        ard.biesheuvel@...aro.org, eajames@...ux.vnet.ibm.com,
        kramasub@...eaurora.org, vigneshr@...com,
        mika.westerberg@...ux.intel.com, pierre-yves.mordret@...com,
        f.fainelli@...il.com, aaron.wu@...log.com, jdelvare@...e.de,
        andriy.shevchenko@...ux.intel.com, jarkko.nikula@...ux.intel.com,
        robh+dt@...nel.org, mark.rutland@....com,
        rayagonoda.kokatanur@...odcom.com
Subject: Re: [PATCH v3 0/8] Add IPROC I2C slave mode and NIC I2C support

Hi Rayagonda/Wolfram,

I reviewed the entire patch series and added my Reviewed-by tag on 1/8
and 2/8. The rest of the patches in this series already had my
Signed-off-by tag.

Thanks,

Ray

On 1/17/2019 10:04 PM, Rayagonda Kokatanur wrote:
> Hi,
> This patchset contains support for IPROC I2C slave and NIC I2C support.
> Following are the brief changes done inorder to support both IPROC I2C
> slave mode and NIC I2C,
> 
> a. Add support to allow I2C rx transfer upto 255 bytes
> b. Add polling mode support to the iProc I2C driver. Polling mode is used
>    in certain SoCs where interrupt is not connected from the I2C block.
> c. Add warpper read/write access for register to support indirect register
>    access. This is required in certain SoCs with this iProc I2C
>    block registered.
> d. Remove the set RESET bit to LOW right after setting it to HIGH so that
>    wait duration can be met.
> 
> This patch series is based on kernel v5.0.0-rc2.
> 
> Changes from v2:
>  - Address Ray's review comments.
> 
> Changes from v1:
>  - Rebased to Linux v5.0.0-rc2
> 
> Ray Jui (1):
>   dt-bindings: i2c: iproc: make 'interrupts' optional
> 
> Rayagonda Kokatanur (5):
>   i2c: iproc: add polling support
>   i2c: iproc: use wrapper for read/write access
>   dt-bindings: i2c: iproc: add "brcm,iproc-nic-i2c" compatible string
>   i2c: iproc: add NIC I2C support
>   arm64: dts: Stingray: Add NIC i2c device node
> 
> Shreesha Rajashekar (2):
>   i2c: iproc: I2C read up to 255 bytes support
>   i2c: iproc: Add Slave mode support
> 
>  .../devicetree/bindings/i2c/brcm,iproc-i2c.txt     |  14 +-
>  .../arm64/boot/dts/broadcom/stingray/stingray.dtsi |  18 +
>  drivers/i2c/busses/Kconfig                         |   1 +
>  drivers/i2c/busses/i2c-bcm-iproc.c                 | 757 +++++++++++++++++----
>  4 files changed, 659 insertions(+), 131 deletions(-)
>