| Message ID | 20200726043948.1357573-7-daniel@0x0f.com (mailing list archive) |
|---|---|
| State | Superseded |
| Headers | show |
| Series | ARM:mstar: DT filling out | expand |
On Sun, Jul 26, 2020 at 6:40 AM Daniel Palmer <daniel@0x0f.com> wrote: > > MStar v7 SoCs contain a region of registers that are in the always on > domain that the vendor code calls the "pmsleep" area. > > This area contains registers for a broad range of functionality and > needs to be shared between drivers. > > This patch adds a syscon node for the pmsleep area so that other > drivers can access registers in the area. > > Signed-off-by: Daniel Palmer <daniel@0x0f.com> I think it would be better to add a more specific compatible string in addition to the "syscon" one, to make it possible to later add a proper driver for this area, in case there is a need for that. Arnd > --- > arch/arm/boot/dts/mstar-v7.dtsi | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/arch/arm/boot/dts/mstar-v7.dtsi b/arch/arm/boot/dts/mstar-v7.dtsi > index a73b1d162dfd..c8b192569d05 100644 > --- a/arch/arm/boot/dts/mstar-v7.dtsi > +++ b/arch/arm/boot/dts/mstar-v7.dtsi > @@ -73,6 +73,11 @@ riu: bus@1f000000 { > #size-cells = <1>; > ranges = <0x0 0x1f000000 0x00400000>; > > + pmsleep: syscon@1c00 { > + compatible = "syscon"; > + reg = <0x1c00 0x100>; > + }; > + > l3bridge: l3bridge@204400 { > compatible = "mstar,l3bridge"; > reg = <0x204400 0x200>; > -- > 2.27.0 >
diff --git a/arch/arm/boot/dts/mstar-v7.dtsi b/arch/arm/boot/dts/mstar-v7.dtsi index a73b1d162dfd..c8b192569d05 100644 --- a/arch/arm/boot/dts/mstar-v7.dtsi +++ b/arch/arm/boot/dts/mstar-v7.dtsi @@ -73,6 +73,11 @@ riu: bus@1f000000 { #size-cells = <1>; ranges = <0x0 0x1f000000 0x00400000>; + pmsleep: syscon@1c00 { + compatible = "syscon"; + reg = <0x1c00 0x100>; + }; + l3bridge: l3bridge@204400 { compatible = "mstar,l3bridge"; reg = <0x204400 0x200>;
MStar v7 SoCs contain a region of registers that are in the always on domain that the vendor code calls the "pmsleep" area. This area contains registers for a broad range of functionality and needs to be shared between drivers. This patch adds a syscon node for the pmsleep area so that other drivers can access registers in the area. Signed-off-by: Daniel Palmer <daniel@0x0f.com> --- arch/arm/boot/dts/mstar-v7.dtsi | 5 +++++ 1 file changed, 5 insertions(+)