[Letux-kernel] [RFC v2 0/3] OMAP3: convert opp-v1 to opp-v2 and read speed binned / 720MHz grade bits

Viresh Kumar viresh.kumar at linaro.org
Thu Sep 5 07:03:02 CEST 2019


On 04-09-19, 10:53, H. Nikolaus Schaller wrote:
> Changes V2:
> * merge separate patch to remove opp-v1 table from n950-n9 into
>   the general omap3xxx.dtsi patch
> * add legacy compatibility to ti,omap3430 and ti,omap3630 for
>   the ti-cpufreq driver
> * make driver and omap3xxx.dtsi patches pass checkpatch
> * add bulk patch to explicitly define compatibility to ti,omap3430
>   and ti,omap36xx in addition to ti,omap3 of all in-tree boards
>   where it was missing
> 
> RFC V1 2019-09-02 12:55:55:
> 
> This patch set converts the opp tables to opp-v2 format
> and extends the ti-cpufreq to support omap3.
> 
> It adds 720 MHz (omap34xx) and 1 GHz (omap36xx) OPPs but
> tells the ti-cpufreq driver to disable them if the speed
> binned / 720MHz grade eFuse bits indicate that the chip
> is not rated for that speed. 
> 
> It has been tested (for chip variant detection, not reliability
> of the high speed OPPs) on:
> 
> * BeagleBoard C2 (omap3430 600MHz)
> * BeagleBoard XM B (dm3730 800MHz)
> * GTA04A4 (dm3730 800MHz)
> * GTA04A5 (dm3730 1GHz)
> 
> 
> H. Nikolaus Schaller (3):
>   cpufreq: ti-cpufreq: add support for omap34xx and omap36xx
>   ARM: dts: replace opp-v1 tables by opp-v2 for omap34xx and omap36xx
>   ARM: dts: omap3: bulk convert compatible to be explicitly ti,omap3430
>     or ti,omap36xx
> 
>  arch/arm/boot/dts/am3517_mt_ventoux.dts       |  2 +-
>  .../boot/dts/logicpd-som-lv-35xx-devkit.dts   |  2 +-
>  .../boot/dts/logicpd-som-lv-37xx-devkit.dts   |  2 +-
>  .../boot/dts/logicpd-torpedo-35xx-devkit.dts  |  2 +-
>  .../boot/dts/logicpd-torpedo-37xx-devkit.dts  |  2 +-
>  arch/arm/boot/dts/omap3-beagle.dts            |  2 +-
>  arch/arm/boot/dts/omap3-cm-t3530.dts          |  2 +-
>  arch/arm/boot/dts/omap3-devkit8000-lcd43.dts  |  2 +-
>  arch/arm/boot/dts/omap3-devkit8000-lcd70.dts  |  2 +-
>  arch/arm/boot/dts/omap3-devkit8000.dts        |  2 +-
>  arch/arm/boot/dts/omap3-evm-37xx.dts          |  2 +-
>  arch/arm/boot/dts/omap3-ha-lcd.dts            |  2 +-
>  arch/arm/boot/dts/omap3-ha.dts                |  2 +-
>  arch/arm/boot/dts/omap3-ldp.dts               |  2 +-
>  arch/arm/boot/dts/omap3-n950-n9.dtsi          |  7 --
>  arch/arm/boot/dts/omap3-sbc-t3530.dts         |  2 +-
>  arch/arm/boot/dts/omap3-thunder.dts           |  2 +-
>  arch/arm/boot/dts/omap3430-sdp.dts            |  2 +-
>  arch/arm/boot/dts/omap34xx.dtsi               | 65 ++++++++++++--
>  arch/arm/boot/dts/omap36xx.dtsi               | 53 +++++++++--
>  drivers/cpufreq/cpufreq-dt-platdev.c          |  2 +-
>  drivers/cpufreq/ti-cpufreq.c                  | 87 ++++++++++++++++++-
>  22 files changed, 204 insertions(+), 44 deletions(-)

Most of the stuff looks fine to me here. I will pick the patches when
the SoC maintainers provide an Ack.

-- 
viresh


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