[STLinux Kernel] [PATCH 02/12] clocksource: sti: Provide support for the ST LPC Clocksource IP

Lee Jones lee.jones at linaro.org
Thu May 7 12:13:24 PDT 2015


> > This IP is shared with Watchdog and RTC functionality.  Only one of
> > these IPs can be used at the same time.  We use the device-driver
> > model combined with a DT 'mode' property to enforce this.
> 
> Which means my previous assertion in V1 that the IP didn't exist on stih415/6
> SoC is most likely wrong, as the watchdog driver has bindings already for those
> platforms.
> 
> I did try this before and couldn't get it working (driver failed on clk_get_rate)
> on stih416-b2020.
> 
> Did you try and see if you can get this also working for stih415/6 SoCs? It would
> mean we can move away from arm_global_timer for all upstreamed STI platforms.

This patch-set only supports STiH4{07,10}, which is the only platform
it's been tested on until this point.  I can investigate porting it to
Orly/Orly2 as a subsequent piece of work if it's going to be useful
for ST.

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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