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Date: Sun, 14 May 2017 23:10:48 +0800 From: ayaka <ayaka@...lik.info> To: Heiko Stuebner <heiko@...ech.de> Cc: devicetree@...r.kernel.org, robh+dt@...nel.org, mark.rutland@....com, linux@...linux.org.uk, linux-arm-kernel@...ts.infradead.org, linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH] ARM: dts: rockchip: add missing grf phandle for rk3288 On 05/14/2017 10:59 PM, Heiko Stuebner wrote: > Hi Randy, > > Am Sonntag, 7. Mai 2017, 22:34:46 CEST schrieb Randy Li: >> The PWM devices need to access the grf to switch the PWM IP. > The grf property is not part of the pwm binding and I remember > this coming up in veyron times, when Thiery didn't want such settings > in the pwm driver. So the kernel pwm driver does not switch anything > right now. OK, I see, I will contact the u-boot, submit a patch there. > > >> And tsadc uses it to shutdown the system. > No it doesn't. The tsadc on rk3288 does not do any grf settings right now, > as it is using the v2_initialize function. Only rk3366 and rk3399 seem > to do any grf settings in the current v4.12-rc1 . Or is there some tsadc > patch from you pending to change that? Not yet, there is a register CRU_GLB_RST_ST at rk3288 cru. I think I need to submit a patch for it. > > > Heiko
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