Am Donnerstag, 18. Februar 2016, 11:08:19 schrieb Elaine Zhang: > Add binding documentation for the power domains > found on Rockchip RK3399 SoCs > > Signed-off-by: Elaine Zhang <[email protected]>
This patch should probably include the devicetree people Rob Herring <[email protected]> Pawel Moll <[email protected]> Mark Rutland <[email protected]> Ian Campbell <[email protected]> Kumar Gala <[email protected]> [email protected] > --- > .../bindings/soc/rockchip/power_domain.txt | 21 > +++++++++++++++++++++ 1 file changed, 21 insertions(+) > > diff --git > a/Documentation/devicetree/bindings/soc/rockchip/power_domain.txt > b/Documentation/devicetree/bindings/soc/rockchip/power_domain.txt index > 13dc6a3..c65d401 100644 > --- a/Documentation/devicetree/bindings/soc/rockchip/power_domain.txt > +++ b/Documentation/devicetree/bindings/soc/rockchip/power_domain.txt > @@ -7,6 +7,7 @@ Required properties for power domain controller: > - compatible: Should be one of the following. > "rockchip,rk3288-power-controller" - for RK3288 SoCs. > "rockchip,rk3368-power-controller" - for RK3368 SoCs. > + "rockchip,rk3399-power-controller" - for RK3399 SoCs. > - #power-domain-cells: Number of cells in a power-domain specifier. > Should be 1 for multiple PM domains. > - #address-cells: Should be 1. > @@ -16,6 +17,7 @@ Required properties for power domain sub nodes: > - reg: index of the power domain, should use macros in: > "include/dt-bindings/power/rk3288-power.h" - for RK3288 type power > domain. "include/dt-bindings/power/rk3368-power.h" - for RK3368 type > power domain. + "include/dt-bindings/power/rk3399-power.h" - for RK3399 > type power domain. - clocks (optional): phandles to clocks which need to > be enabled while power domain switches state. > > @@ -45,12 +47,25 @@ Example: > }; > }; > > + power: power-controller { > + compatible = "rockchip,rk3399-power-controller"; > + #power-domain-cells = <1>; > + #address-cells = <1>; > + #size-cells = <0>; > + > + pd_gpu { > + reg = <RK3399_PD_GPU>; > + clocks = <&cru ACLK_GPU>; > + }; > + }; > + I don't think we need to add another example for every type of power-domain controller :-) . > Node of a device using power domains must have a power-domains property, > containing a phandle to the power device node and an index specifying > which power domain to use. > The index should use macros in: > "include/dt-bindings/power/rk3288-power.h" - for rk3288 type power > domain. "include/dt-bindings/power/rk3368-power.h" - for rk3368 type > power domain. + "include/dt-bindings/power/rk3399-power.h" - for rk3399 > type power domain. > > Example of the node using power domain: > > @@ -65,3 +80,9 @@ Example of the node using power domain: > power-domains = <&power RK3368_PD_GPU_1>; > /* ... */ > }; > + > + node { > + /* ... */ > + power-domains = <&power RK3399_PD_GPU>; > + /* ... */ > + }; same here Heiko
