[PATCH v3 2/2] arm64: dts: ti: k3-j7200: Add support for higher speed modes in MMCSD subsystems

Nishanth Menon nm at ti.com
Wed Jan 27 10:54:52 EST 2021


On 20:50-20210127, Aswath Govindraju wrote:
> Hi Nishanth,
> 
> On 27/01/21 8:44 pm, Nishanth Menon wrote:
> > On 20:38-20210127, Aswath Govindraju wrote:
> >> The following speed modes are now supported in J7200 SoC,
> >> - HS200 and HS400 modes at 1.8 V card voltage, in MMCSD0 subsystem [1].
> >> - UHS-I speed modes in MMCSD1 subsystem [1].
> >>
> >> Add support for UHS-I modes by adding voltage regulator device tree nodes
> >> and corresponding pinmux details, to power cycle and voltage switch cards.
> >> Also set respective tags in sdhci0 and remove no-1-8-v tag from sdhci1
> >> device tree nodes.
> >>
> >> [1] - section 12.3.6.1.1 MMCSD Features, in
> >>       https://www.ti.com/lit/ug/spruiu1a/spruiu1a.pdf
> >>
> >> Signed-off-by: Aswath Govindraju <a-govindraju at ti.com>
> >> ---
> >>
> >> performance test logs using EXT4 filesystem for eMMC HS400 speed mode,
> >> https://pastebin.ubuntu.com/p/KFphDYXj93/
> >>
> > 
> > 5.11.0-rc3-next-20210118-00004 :
> > 
> > a) could you make sure to post patches when you test with latest next?
> > b) I see 2 patches in this series, but delta seems to be 4 patches, is
> > there a dependency I am not aware of?
> > 
> 
> There are no dependencies. The other two commits are completely
> unrelated. From next time I will make sure that I use the latest next
> and the delta matches.


Thanks.
-- 
Regards,
Nishanth Menon
Key (0xDDB5849D1736249D) / Fingerprint: F8A2 8693 54EB 8232 17A3  1A34 DDB5 849D 1736 249D



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