Hi, Seiya: On Wed, 2020-07-29 at 09:30 +0800, Seiya Wang wrote: > Add basic chip support for Mediatek MT8192 > > Signed-off-by: Seiya Wang <seiya.wang@xxxxxxxxxxxx> > --- > arch/arm64/boot/dts/mediatek/Makefile | 1 + > arch/arm64/boot/dts/mediatek/mt8192-evb.dts | 29 ++ > arch/arm64/boot/dts/mediatek/mt8192.dtsi | 671 ++++++++++++++++++++++++++++ > 3 files changed, 701 insertions(+) > create mode 100644 arch/arm64/boot/dts/mediatek/mt8192-evb.dts > create mode 100644 arch/arm64/boot/dts/mediatek/mt8192.dtsi > [snip] > + > + watchdog: watchdog@10007000 { > + compatible = "mediatek,mt6589-wdt"; According to [1] and [2], compatible string for mt8192 watch dog should be "mediatek,mt6873-wdt","mediatek,mt8192-wdt". [1] https://chromium-review.googlesource.com/c/chromiumos/third_party/kernel/+/2287090/12 [2] https://chromium-review.googlesource.com/c/chromiumos/third_party/kernel/+/2131598/18 > + reg = <0 0x10007000 0 0x100>; > + #reset-cells = <1>; > + }; > + [snip] > + > + mmsys: mmsys@14000000 { > + compatible = "mediatek,mt8192-mmsys", "syscon"; You should define "mediatek,mt8192-mmsys" first, then you could use it in this patch. Regards, CK > + reg = <0 0x14000000 0 0x1000>; > + #clock-cells = <1>; > + }; > +