Am Dienstag, 15. September 2026, 12:43:21 Mitteleuropäische Sommerzeit schrieb Jiaxing Hu: > Some domains do not come up in a usable state on their own and need their > resets cycled once power is on. The RK3576 NPU domains are one > case: without it the first access after power-on takes an async SError. > > Signed-off-by: Jiaxing Hu <[email protected]> > Acked-by: Conor Dooley <[email protected]>
Reviewed-by: Heiko Stuebner <[email protected]> > --- > .../bindings/power/rockchip,power-controller.yaml | 8 ++++++++ > 1 file changed, 8 insertions(+) > > diff --git > a/Documentation/devicetree/bindings/power/rockchip,power-controller.yaml > b/Documentation/devicetree/bindings/power/rockchip,power-controller.yaml > index b41db576f..83741f048 100644 > --- a/Documentation/devicetree/bindings/power/rockchip,power-controller.yaml > +++ b/Documentation/devicetree/bindings/power/rockchip,power-controller.yaml > @@ -136,6 +136,13 @@ $defs: > A number of phandles to clocks that need to be enabled > while power domain switches state. > > + resets: > + maxItems: 1 > + description: > + A phandle to a reset that needs to be cycled once the power domain > has > + been switched on, for domains whose logic does not come up in a > usable > + state by itself. > + > domain-supply: > description: domain regulator supply. > > @@ -216,6 +223,7 @@ examples: > reg = <RK3399_PD_IEP>; > clocks = <&cru ACLK_IEP>, > <&cru HCLK_IEP>; > + resets = <&cru SRST_A_IEP>; > pm_qos = <&qos_iep>; > #power-domain-cells = <0>; > }; >
