Re: [PATCH] ARM: dts: qcom: msm8960: expressatt: Add coreriver,tc360-touchkey

[Dmitry Torokhov]

Hi Rudraksha,

On Thu, Feb 19, 2026 at 08:33:43PM -0800, Rudraksha Gupta wrote:
> Hello all,
> 
> 
> Top posting for once (context below).
> 
> Not too sure what the next steps are to get the tm2 touchkey in. Should I
> resend the patch, contact someone else that can help provide guidance, or
> something else?
> 
> 
> Adding Dmitry Torokhov (official maintainer) and Nick Reitemeyer (person who
> introduced this variant).

Sorry, I am not sure what the question is... It seems that you made the
driver work without any additional changes?

> 
> 
> Thanks,
> 
> Rudraksha
> 
> 
> On 12/16/25 04:59, Konrad Dybcio wrote:
> > On 12/9/25 8:10 AM, Rudraksha Gupta wrote:
> > > > > Add the tc360 touchkey. It's unknown if this is the actual model of the
> > > > > touchkey, as downstream doesn't mention a variant, but this works.
> > > > > 
> > > > > Link:
> > > > > https://github.com/LineageOS/android_kernel_samsung_d2/blob/stable/cm-12.0-YNG4N/drivers/input/keyboard/cypress_touchkey_236/Makefile#L5
> > > > This driver mentions a register called CYPRESS_MODULE_VER - maybe
> > > > it could help confirm the model?
> > > > 
> > > > Konrad
> > [...]
> > 
> > > When run on mainline, this is what was outputted:
> > > 
> > > samsung-expressatt:~$ cat /sys/bus/i2c/devices/0-0020/module_version
> > > 0x06
> > > samsung-expressatt:~$ cat /sys/bus/i2c/devices/0-0020/fw_version
> > > 0x09
> > > 
> > > 
> > > fw_version matches downstream ClockworkMod Recovery dmesg:
> > > 
> > > ~ # dmesg | grep "FW Ver"
> > > <3>[    2.201312] cypress_touchkey 16-0020: Touchkey FW Version: 0x09
> > > <3>[    2.206317] cypress_touchkey 16-0020: Touchkey FW Version: 0x09, system_rev: 8
> > > 
> > > 
> > > Unfortunately, I'm not to sure what the other variant versions are, so I will CC the driver's maintainers:
> > > 
> > > MODULE_AUTHOR("Beomho Seo <beomho.seo@xxxxxxxxxxx>");
> > > MODULE_AUTHOR("Jaechul Lee <jcsing.lee@xxxxxxxxxxx>");
> > Sounds like the best idea, I have no clue either
> > 
> > Konrad
> > 

-- 
Dmitry