Messages in this thread | | | Subject | Re: [PATCH] pinctrl: tegra: clear park bit for all pins | From | Stephen Warren <> | Date | Thu, 7 Apr 2016 16:10:29 -0600 |
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On 04/07/2016 03:37 PM, Rhyland Klein wrote: > Parking bits might not be cleared by the bootloader properly (if for > instance it doesn't use the device configured by that pin). Clear > the park bits for all the pins during pinctrl probe. > > This is present on T210 platforms but not earlier ones, so for earlier > generations, set parked_reg = -1 to disable. > > The park bit is used to prevent glitching when reprogramming pinctrl > registers. > > Based on work by: > Shravani Dingari <shravanid@nvidia.com> > > Signed-off-by: Rhyland Klein <rklein@nvidia.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
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