On Thu, 03 Sep 2020, dillon.min...@gmail.com wrote: > From: dillon min <dillon.min...@gmail.com> > > On tc35894, have to disable direct keypad interrupts to make > it as general purpose interrupts functionality work. > if not, after chip reset, IRQST(0x91) will always 0x20, > IRQN always low level, can't be clear. > > Configure DIRECTx to enable general purpose gpio mode, > else read GPIOMISx register always zero in irq routine. > > verified on tc35894, need more test on other tc3589x. > > Signed-off-by: dillon min <dillon.min...@gmail.com> > --- > > V1 -> V2: > Add DIRECTx register configuration to active general purpose gpio mode. > > drivers/gpio/gpio-tc3589x.c | 18 ++++++++++++++++--
> include/linux/mfd/tc3589x.h | 6 ++++++ Acked-by: Lee Jones <lee.jo...@linaro.org> -- Lee Jones [李琼斯] Senior Technical Lead - Developer Services Linaro.org │ Open source software for Arm SoCs Follow Linaro: Facebook | Twitter | Blog
