linux-kernel - Re: [PATCH V2 0/5] Add support for custom names for AT24 EEPROMs

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Message-ID: <c8bd52a5-2f80-2183-11bf-f7f531be2a56@nvidia.com>
Date:   Wed, 23 Sep 2020 10:23:23 +0100
From:   Jon Hunter <jonathanh@...dia.com>
To:     Bartosz Golaszewski <bgolaszewski@...libre.com>,
        Thierry Reding <thierry.reding@...il.com>
CC:     Rob Herring <robh+dt@...nel.org>,
        linux-i2c <linux-i2c@...r.kernel.org>,
        linux-devicetree <devicetree@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        <linux-tegra@...r.kernel.org>
Subject: Re: [PATCH V2 0/5] Add support for custom names for AT24 EEPROMs


On 23/09/2020 10:15, Bartosz Golaszewski wrote:
> On Wed, Sep 16, 2020 at 11:50 AM Jon Hunter <jonathanh@...dia.com> wrote:
>>
>> For platforms that have multiple boards and hence have multiple EEPROMs
>> for identifying the different boards, it is useful to label the EEPROMs
>> in device-tree so that they can be easily identified. For example, MAC
>> address information is stored in the EEPROM on the processor module for
>> some Jetson platforms which is not only required by the kernel but the
>> bootloader as well. So having a simple way to identify the EEPROM is
>> needed.
>>
>> Changes since V1:
>> - By default initialise the nvmem_config.id as NVMEM_DEVID_AUTO and not
>>   NVMEM_DEVID_NONE
>> - Dropped the 'maxItems' from the dt-binding doc.
>>
>> Jon Hunter (5):
>>   misc: eeprom: at24: Initialise AT24 NVMEM ID field
>>   dt-bindings: eeprom: at24: Add label property for AT24
>>   misc: eeprom: at24: Support custom device names for AT24 EEPROMs
>>   arm64: tegra: Add label properties for EEPROMs
>>   arm64: tegra: Populate EEPROMs for Jetson Xavier NX
>>
>>  .../devicetree/bindings/eeprom/at24.yaml      |  3 +++
>>  .../boot/dts/nvidia/tegra186-p2771-0000.dts   |  1 +
>>  .../arm64/boot/dts/nvidia/tegra186-p3310.dtsi |  1 +
>>  .../arm64/boot/dts/nvidia/tegra194-p2888.dtsi |  1 +
>>  .../boot/dts/nvidia/tegra194-p2972-0000.dts   |  1 +
>>  .../nvidia/tegra194-p3509-0000+p3668-0000.dts | 14 ++++++++++++
>>  .../boot/dts/nvidia/tegra194-p3668-0000.dtsi  | 16 ++++++++++++++
>>  .../arm64/boot/dts/nvidia/tegra210-p2180.dtsi |  1 +
>>  .../boot/dts/nvidia/tegra210-p2371-2180.dts   |  1 +
>>  .../boot/dts/nvidia/tegra210-p3450-0000.dts   |  2 ++
>>  drivers/misc/eeprom/at24.c                    | 22 ++++++++++++++++++-
>>  11 files changed, 62 insertions(+), 1 deletion(-)
>>
>> --
>> 2.25.1
>>
> 
> Just FYI: I'm fine with the at24 part. I can take them through my tree
> for v5.10. Who is taking the DTS patches for tegra? Thierry? I can
> provide you with an immutable branch if that's fine. I can't just ack
> the at24 patches because they conflict with what I already have in my
> tree for v5.10.

Thanks. Yes Thierry is picking up the DTS patches.

Cheers
Jon

-- 
nvpublic