Re: [RFCv1 0/8] RK3399 clean shutdown issue

Heiko Stuebner
2019-12-06T22:32:24Z

Hi Anand,

Am Freitag, 6. Dezember 2019, 19:45:28 CET schrieb Anand Moon:
> Most of the RK3399 SBC boards do not perform clean
> shutdown and clean reboot.
>
> These patches try to help resolve the issue with proper
> shutdown by turning off the PMIC.
>
> For reference
> RK805 PMCI data sheet:
> [0] http://rockchip.fr/RK805%20datasheet%20V1.3.pdf
> RK808 PMIC data sheet:
> [1] http://rockchip.fr/RK808%20datasheet%20V1.4.pdf
> RK817 PMIC data sheet:
> [2] http://rockchip.fr/RK817%20datasheet%20V1.01.pdf
> RK818 PMIC data sheet:
> [3] http://rockchip.fr/RK818%20datasheet%20V1.0.pdf
>
> Reboot issue:
> My guess is that we need to some proper sequence of
> setting to PMCI to perform clean.
>
> If you have any input please share them.

The rk8xx pmics may not on all devices be responsible for powering down
the device. That is what the system-power-controller dt-property is for.

So that property is there for a reason - to indicate that the pmic is
responsible for power-off-handling.

Heiko

> Tested on SBC
> Rock960 Model A
> Odroid N1
> Rock64
>
> -Anand Moon
>
> Anand Moon (8):
> mfd: rk808: Refactor shutdown functions
> mfd: rk808: use syscore for RK805 PMIC shutdown
> mfd: rk808: use syscore for RK808 PMIC shutdown
> mfd: rk808: use syscore for RK818 PMIC shutdown
> mfd: rk808: cleanup unused function pointer
> mfd: rk808: use common syscore for all PMCI for clean shutdown
> arm64: rockchip: drop unused field from rk8xx i2c node
> arm: rockchip: drop unused field from rk8xx i2c node
>
> arch/arm/boot/dts/rk3036-kylin.dts | 1 -
> arch/arm/boot/dts/rk3188-px3-evb.dts | 1 -
> arch/arm/boot/dts/rk3288-evb-rk808.dts | 1 -
> arch/arm/boot/dts/rk3288-phycore-som.dtsi | 1 -
> arch/arm/boot/dts/rk3288-popmetal.dts | 1 -
> arch/arm/boot/dts/rk3288-tinker.dtsi | 1 -
> arch/arm/boot/dts/rk3288-veyron.dtsi | 1 -
> arch/arm/boot/dts/rk3288-vyasa.dts | 1 -
> arch/arm/boot/dts/rv1108-elgin-r1.dts | 1 -
> arch/arm/boot/dts/rv1108-evb.dts | 1 -
> arch/arm64/boot/dts/rockchip/px30-evb.dts | 1 -
> arch/arm64/boot/dts/rockchip/rk3328-a1.dts | 1 -
> arch/arm64/boot/dts/rockchip/rk3328-evb.dts | 1 -
> .../arm64/boot/dts/rockchip/rk3328-roc-cc.dts | 1 -
> .../arm64/boot/dts/rockchip/rk3328-rock64.dts | 1 -
> .../boot/dts/rockchip/rk3368-geekbox.dts | 1 -
> arch/arm64/boot/dts/rockchip/rk3368-lion.dtsi | 1 -
> .../boot/dts/rockchip/rk3368-px5-evb.dts | 1 -
> .../boot/dts/rockchip/rk3399-firefly.dts | 1 -
> .../boot/dts/rockchip/rk3399-hugsun-x99.dts | 1 -
> .../boot/dts/rockchip/rk3399-khadas-edge.dtsi | 1 -
> .../boot/dts/rockchip/rk3399-leez-p710.dts | 1 -
> .../boot/dts/rockchip/rk3399-nanopi4.dtsi | 1 -
> .../boot/dts/rockchip/rk3399-orangepi.dts | 1 -
> arch/arm64/boot/dts/rockchip/rk3399-puma.dtsi | 1 -
> .../boot/dts/rockchip/rk3399-roc-pc.dtsi | 1 -
> .../boot/dts/rockchip/rk3399-rock-pi-4.dts | 1 -
> .../boot/dts/rockchip/rk3399-rock960.dtsi | 1 -
> .../boot/dts/rockchip/rk3399-rockpro64.dts | 1 -
> .../boot/dts/rockchip/rk3399-sapphire.dtsi | 1 -
> drivers/mfd/rk808.c | 144 +++++-------------
> include/linux/mfd/rk808.h | 2 -
> 32 files changed, 42 insertions(+), 134 deletions(-)
>
>