The subject is deleted by my finger. ? 2015?10?20? 17:11, Caesar Wang ??: > We need the OTP pin is gpio state before resetting the TSADC controller, > since the tshut polarity will generate a high signal. > > Says: > The TSHUT temperature is setting more than 80 degree, the default > tshut polarity is HIGH. > > If T > 80C, the OTP output the High Signal. > If T < 80C, the OTP output the Low Signal. > > On the moment, the TSADC controller is reset, the tshut polarity will be > Low in a short period of time. > > So: > If T < 80C, the OTP output the High Signal. > If T > 80C, the OTP output the Low Signal. > > In some cases, the OTP pin is connected to the PMIC, maybe the PMIC can > accept the reset response time to avoid this issue. > > In other words, the system will be always reboot if we make the OTP pin > is connected the others IC to control the power. > > Tested on box board. > > > > Caesar Wang (4): > dt-bindings: Sync the dts to this document > thermal: rockchip: ensure the otp state before resetting the > controller > thermal: rockchip: change the TSHUT default state > ARM: dts: rockchip: Add the OTP gpio pinctrl > > .../bindings/thermal/rockchip-thermal.txt | 5 ++-- > arch/arm/boot/dts/rk3288.dtsi | 9 ++++-- > drivers/thermal/rockchip_thermal.c | 34 +++++++++++++++++++++- > 3 files changed, 43 insertions(+), 5 deletions(-) > -- Thanks, Caesar
