On 2020/9/28 17:52, Jonathan Cameron wrote: > On Sun, 27 Sep 2020 14:21:29 +0800 > Zhen Lei <thunder.leizhen@xxxxxxxxxx> 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.leizhen@xxxxxxxxxx> > > As only single entries in the oneOf, can just use an enum. Oh, yes, using enum will look simpler. > > 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 <xuwei5@xxxxxxxxxxxxx> >> + >> +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 > > > > . >