On Sun, 27 Sep 2020 14:21:29 +0800 Zhen Lei <thunder.leiz...@huawei.com> wrote:
> Convert the Hisilicon Hip06 SoCs implement a Low Pin Count (LPC) > controller binding to DT schema format using json-schema. > > Signed-off-by: Zhen Lei <thunder.leiz...@huawei.com> As only single entries in the oneOf, can just use an enum. Thanks, Jonathan > --- > .../arm/hisilicon/hisilicon-low-pin-count.txt | 33 ------------ > .../arm/hisilicon/hisilicon-low-pin-count.yaml | 63 > ++++++++++++++++++++++ > 2 files changed, 63 insertions(+), 33 deletions(-) > delete mode 100644 > Documentation/devicetree/bindings/arm/hisilicon/hisilicon-low-pin-count.txt > create mode 100644 > Documentation/devicetree/bindings/arm/hisilicon/hisilicon-low-pin-count.yaml > > diff --git > a/Documentation/devicetree/bindings/arm/hisilicon/hisilicon-low-pin-count.txt > b/Documentation/devicetree/bindings/arm/hisilicon/hisilicon-low-pin-count.txt > deleted file mode 100644 > index 10bd35f9207f2ee..000000000000000 > --- > a/Documentation/devicetree/bindings/arm/hisilicon/hisilicon-low-pin-count.txt > +++ /dev/null > @@ -1,33 +0,0 @@ > -Hisilicon Hip06 Low Pin Count device > - Hisilicon Hip06 SoCs implement a Low Pin Count (LPC) controller, which > - provides I/O access to some legacy ISA devices. > - Hip06 is based on arm64 architecture where there is no I/O space. So, the > - I/O ports here are not CPU addresses, and there is no 'ranges' property in > - LPC device node. > - > -Required properties: > -- compatible: value should be as follows: > - (a) "hisilicon,hip06-lpc" > - (b) "hisilicon,hip07-lpc" > -- #address-cells: must be 2 which stick to the ISA/EISA binding doc. > -- #size-cells: must be 1 which stick to the ISA/EISA binding doc. > -- reg: base memory range where the LPC register set is mapped. > - > -Note: > - The node name before '@' must be "isa" to represent the binding stick to > the > - ISA/EISA binding specification. > - > -Example: > - > -isa@a01b0000 { > - compatible = "hisilicon,hip06-lpc"; > - #address-cells = <2>; > - #size-cells = <1>; > - reg = <0x0 0xa01b0000 0x0 0x1000>; > - > - ipmi0: bt@e4 { > - compatible = "ipmi-bt"; > - device_type = "ipmi"; > - reg = <0x01 0xe4 0x04>; > - }; > -}; > diff --git > a/Documentation/devicetree/bindings/arm/hisilicon/hisilicon-low-pin-count.yaml > > b/Documentation/devicetree/bindings/arm/hisilicon/hisilicon-low-pin-count.yaml > new file mode 100644 > index 000000000000000..a43f8b65547c10f > --- /dev/null > +++ > b/Documentation/devicetree/bindings/arm/hisilicon/hisilicon-low-pin-count.yaml > @@ -0,0 +1,63 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: > http://devicetree.org/schemas/arm/hisilicon/hisilicon-low-pin-count.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Hisilicon Hip06 Low Pin Count device > + > +maintainers: > + - Wei Xu <xuw...@hisilicon.com> > + > +description: | > + Hisilicon Hip06 SoCs implement a Low Pin Count (LPC) controller, which > + provides I/O access to some legacy ISA devices. > + Hip06 is based on arm64 architecture where there is no I/O space. So, the > + I/O ports here are not CPU addresses, and there is no 'ranges' property in > + LPC device node. > + > +properties: > + $nodename: > + pattern: '^isa@[0-9a-f]+$' > + description: | > + The node name before '@' must be "isa" to represent the binding stick > + to the ISA/EISA binding specification. > + > + compatible: > + oneOf: > + - items: > + - const: hisilicon,hip06-lpc > + - items: > + - const: hisilicon,hip07-lpc enum: - hisilicon,hip06-lpc - hisilicon,hip07-lpc > + > + reg: > + description: base memory range where the LPC register set is mapped. > + maxItems: 1 > + > + '#address-cells': > + description: must be 2 which stick to the ISA/EISA binding doc. > + const: 2 > + > + '#size-cells': > + description: must be 1 which stick to the ISA/EISA binding doc. > + const: 1 > + > +required: > + - compatible > + - reg > + > +examples: > + - | > + isa@a01b0000 { > + compatible = "hisilicon,hip06-lpc"; > + #address-cells = <2>; > + #size-cells = <1>; > + reg = <0xa01b0000 0x1000>; > + > + ipmi0: bt@e4 { > + compatible = "ipmi-bt"; > + device_type = "ipmi"; > + reg = <0x01 0xe4 0x04>; > + }; > + }; > +... > \ No newline at end of file