On Thu, Jun 15, 2023 at 05:17:56PM +0800, Yinbo Zhu wrote: > Add the Loongson-2 SoC Power Management Controller binding with DT > schema format using json-schema. > > Signed-off-by: Yinbo Zhu <zhuyinbo@xxxxxxxxxxx> > --- > .../soc/loongson/loongson,ls2k-pmc.yaml | 53 +++++++++++++++++++ > MAINTAINERS | 6 +++ > 2 files changed, 59 insertions(+) > create mode 100644 Documentation/devicetree/bindings/soc/loongson/loongson,ls2k-pmc.yaml > > diff --git a/Documentation/devicetree/bindings/soc/loongson/loongson,ls2k-pmc.yaml b/Documentation/devicetree/bindings/soc/loongson/loongson,ls2k-pmc.yaml > new file mode 100644 > index 000000000000..32499bd10f8c > --- /dev/null > +++ b/Documentation/devicetree/bindings/soc/loongson/loongson,ls2k-pmc.yaml > @@ -0,0 +1,53 @@ > +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/soc/loongson/loongson,ls2k-pmc.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Loongson-2 Power Manager controller > + > +maintainers: > + - Yinbo Zhu <zhuyinbo@xxxxxxxxxxx> > + > +properties: > + compatible: > + oneOf: > + - items: > + - enum: > + - loongson,ls2k1000-pmc > + - loongson,ls2k0500-pmc > + - const: syscon > + > + reg: > + maxItems: 1 > + > + interrupts: > + maxItems: 1 > + > + suspend-address: loongson,suspend-address > + $ref: /schemas/types.yaml#/definitions/uint32 Isn't this a 64-bit platform? Probably better if this is a 64-bit value in case that's needed in the future. > + description: > + The "suspend-address" is a deep sleep state (Suspend To RAM) > + firmware entry address which was jumped from kernel and it's > + value was dependent on specific platform firmware code. In > + addition, the PM need according to it to indicate that current > + SoC whether support Suspend To RAM. > + > +required: > + - compatible > + - reg > + - interrupts > + > +additionalProperties: false > + > +examples: > + - | > + #include <dt-bindings/interrupt-controller/irq.h> > + > + pmc: pm@1fe27000 { > + compatible = "loongson,ls2k1000-pmc", "syscon"; > + reg = <0x1fe27000 0x58>; > + interrupt-parent = <&liointc1>; > + interrupts = <11 IRQ_TYPE_LEVEL_LOW>; > + suspend-address = <0x1c000500>; > + }; > diff --git a/MAINTAINERS b/MAINTAINERS > index 7a91f14cad2e..bcd05f1fa5c1 100644 > --- a/MAINTAINERS > +++ b/MAINTAINERS > @@ -12190,6 +12190,12 @@ S: Maintained > F: Documentation/devicetree/bindings/hwinfo/loongson,ls2k-chipid.yaml > F: drivers/soc/loongson/loongson2_guts.c > > +LOONGSON-2 SOC SERIES PM DRIVER > +M: Yinbo Zhu <zhuyinbo@xxxxxxxxxxx> > +L: linux-pm@xxxxxxxxxxxxxxx > +S: Maintained > +F: Documentation/devicetree/bindings/soc/loongson/loongson,ls2k-pmc.yaml > + > LOONGSON-2 SOC SERIES PINCTRL DRIVER > M: zhanghongchen <zhanghongchen@xxxxxxxxxxx> > M: Yinbo Zhu <zhuyinbo@xxxxxxxxxxx> > -- > 2.20.1 >