Add the Loongson-2 SoC chipid binding with DT schema format using json-schema. Signed-off-by: Yinbo Zhu <zhuyinbo@xxxxxxxxxxx> Reviewed-by: Rob Herring <robh@xxxxxxxxxx> --- Change in v5: 1. Add all history change log information. 2. Add reviewed-by information. Change in v4: 1. NO change, but other patch in this series of patches set has changes. Change in v3: 1. Drop "driver" and describe instead what is GUTS, including its acronym. 2. Add desciption about the SoC register. 3. Fixup dts node name. 4. Replace string loongson2/Loongson2 with loongson-2/Loongson-2 in binding file and commit message. Change in v2: 1. NO change, but other patch in this series of patches set has changes. .../bindings/hwinfo/loongson,ls2k-chipid.yaml | 38 +++++++++++++++++++ MAINTAINERS | 1 + 2 files changed, 39 insertions(+) create mode 100644 Documentation/devicetree/bindings/hwinfo/loongson,ls2k-chipid.yaml diff --git a/Documentation/devicetree/bindings/hwinfo/loongson,ls2k-chipid.yaml b/Documentation/devicetree/bindings/hwinfo/loongson,ls2k-chipid.yaml new file mode 100644 index 000000000000..9d0c36ec1982 --- /dev/null +++ b/Documentation/devicetree/bindings/hwinfo/loongson,ls2k-chipid.yaml @@ -0,0 +1,38 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/hwinfo/loongson,ls2k-chipid.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Loongson-2 SoC ChipID + +maintainers: + - Yinbo Zhu <zhuyinbo@xxxxxxxxxxx> + +description: | + Loongson-2 SoC contains many groups of global utilities register + blocks, of which the ChipID group registers record SoC version, + feature, vendor and id information. + +properties: + compatible: + const: loongson,ls2k-chipid + + reg: + maxItems: 1 + + little-endian: true + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + chipid: chipid@1fe00000 { + compatible = "loongson,ls2k-chipid"; + reg = <0x1fe00000 0x3ffc>; + little-endian; + }; diff --git a/MAINTAINERS b/MAINTAINERS index 20ce056ae207..916b2d9cffc0 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -12045,6 +12045,7 @@ LOONGSON-2 SOC SERIES GUTS DRIVER M: Yinbo Zhu <zhuyinbo@xxxxxxxxxxx> L: loongarch@xxxxxxxxxxxxxxx S: Maintained +F: Documentation/devicetree/bindings/hwinfo/loongson,ls2k-chipid.yaml F: drivers/soc/loongson/loongson2_guts.c LSILOGIC MPT FUSION DRIVERS (FC/SAS/SPI) -- 2.20.1