On 7 May 2017 at 20:52, Bin Meng <bmeng...@gmail.com> wrote: > Add a device-tree property use-lvl-write-cache that will cause > writes to lvl to be cached instead of read from lvl before each > write. This is required on some platforms that have the register > implemented as dual read/write (such as Baytrail). > > Prior to this fix the blue USB port on the Minnowboard Max was > unusable since USB_HOST_EN0 was set high then immediately set > low when USB_HOST_EN1 was written. > > This also resolves the 'gpio clear | set' command warning like: > "Warning: value of pin is still 0" > > Signed-off-by: George McCollister <george.mccollis...@gmail.com> > <rebased on latest origin/master, fixed all baytrail boards> > Signed-off-by: Bin Meng <bmeng...@gmail.com> > > --- > > arch/x86/dts/bayleybay.dts | 6 ++++++ > arch/x86/dts/baytrail_som-db5800-som-6867.dts | 6 ++++++ > arch/x86/dts/conga-qeval20-qa3-e3845.dts | 6 ++++++ > arch/x86/dts/dfi-bt700.dtsi | 6 ++++++ > arch/x86/dts/minnowmax.dts | 6 ++++++ > drivers/gpio/intel_ich6_gpio.c | 30 > ++++++++++++++++++++++----- > 6 files changed, 55 insertions(+), 5 deletions(-)
Reviewed-by: Simon Glass <s...@chromium.org> I think we need a binding file for intel,ich6-gpio. _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de https://lists.denx.de/listinfo/u-boot