On 2020/9/28 17:44, Jonathan Cameron wrote: > On Sun, 27 Sep 2020 14:21:16 +0800 > Zhen Lei <thunder.leizhen@xxxxxxxxxx> wrote: > >> Convert the Hisilicon system controller and its variants binding to DT >> schema format using json-schema. All of them are grouped into one yaml >> file, to help users understand differences and avoid repeated >> descriptions. >> >> Signed-off-by: Zhen Lei <thunder.leizhen@xxxxxxxxxx> > > Hi, one quick comment on indentation inline. Having received some fixes > for this from Rob recently it was still fresh in my mind! > >> --- >> .../controller/hi3620/hisilicon,hi6220-sysctrl.txt | 19 ---- >> .../controller/hipxx/hisilicon,hip01-sysctrl.txt | 19 ---- >> .../arm/hisilicon/controller/hisilicon,sysctrl.txt | 25 ----- >> .../hisilicon/controller/hisilicon,sysctrl.yaml | 115 +++++++++++++++++++++ >> .../bindings/arm/hisilicon/hi3519-sysctrl.txt | 14 --- >> 5 files changed, 115 insertions(+), 77 deletions(-) >> delete mode 100644 Documentation/devicetree/bindings/arm/hisilicon/controller/hi3620/hisilicon,hi6220-sysctrl.txt >> delete mode 100644 Documentation/devicetree/bindings/arm/hisilicon/controller/hipxx/hisilicon,hip01-sysctrl.txt >> delete mode 100644 Documentation/devicetree/bindings/arm/hisilicon/controller/hisilicon,sysctrl.txt >> create mode 100644 Documentation/devicetree/bindings/arm/hisilicon/controller/hisilicon,sysctrl.yaml >> delete mode 100644 Documentation/devicetree/bindings/arm/hisilicon/hi3519-sysctrl.txt >> > > ... > >> diff --git a/Documentation/devicetree/bindings/arm/hisilicon/controller/hisilicon,sysctrl.yaml b/Documentation/devicetree/bindings/arm/hisilicon/controller/hisilicon,sysctrl.yaml >> new file mode 100644 >> index 000000000000000..b65807574d92f95 >> --- /dev/null >> +++ b/Documentation/devicetree/bindings/arm/hisilicon/controller/hisilicon,sysctrl.yaml >> @@ -0,0 +1,115 @@ >> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) >> +%YAML 1.2 >> +--- >> +$id: http://devicetree.org/schemas/arm/hisilicon/controller/hisilicon,sysctrl.yaml# >> +$schema: http://devicetree.org/meta-schemas/core.yaml# >> + >> +title: Hisilicon system controller >> + >> +maintainers: >> + - Wei Xu <xuwei5@xxxxxxxxxxxxx> >> + >> +description: | >> + The Hisilicon system controller is used on many Hisilicon boards, it can be >> + used to assist the slave core startup, reboot the system, etc. >> + >> + There are some variants of the Hisilicon system controller, such as HiP01, >> + Hi3519, Hi6220 system controller, each of them is mostly compatible with the >> + Hisilicon system controller, but some same registers located at different >> + offset. In addition, the HiP01 system controller has some specific control >> + registers for HIP01 SoC family, such as slave core boot. >> + >> + The compatible names of each system controller are as follows: >> + Hisilicon system controller --> hisilicon,sysctrl >> + HiP01 system controller --> hisilicon,hip01-sysctrl >> + Hi6220 system controller --> hisilicon,hi6220-sysctrl >> + Hi3519 system controller --> hisilicon,hi3519-sysctrl >> + >> +allOf: >> + - if: >> + properties: >> + compatible: >> + contains: >> + const: hisilicon,hi6220-sysctrl >> + then: >> + required: >> + - '#clock-cells' >> + >> +properties: >> + compatible: >> + oneOf: >> + - items: >> + - const: hisilicon,sysctrl > > I believe indentation is wrt to the keyword not the - > > https://lore.kernel.org/lkml/20200812203618.2656699-1-robh@xxxxxxxxxx/ > > so should be > - items: > - const: hisilicon,sysctrl. OK, I will correct it. > >> + - items: >> + - const: hisilicon,sysctrl >> + - const: syscon >> + - items: >> + - const: hisilicon,hip01-sysctrl >> + - const: hisilicon,sysctrl >> + - items: >> + - const: hisilicon,hi6220-sysctrl >> + - const: syscon >> + - items: >> + - const: hisilicon,hi3519-sysctrl >> + - const: syscon >> + >> + reg: >> + description: Register address and size >> + maxItems: 1 >> + >> + smp-offset: >> + description: | >> + offset in sysctrl for notifying slave cpu booting >> + cpu 1, reg; >> + cpu 2, reg + 0x4; >> + cpu 3, reg + 0x8; >> + If reg value is not zero, cpun exit wfi and go >> + $ref: /schemas/types.yaml#/definitions/uint32 >> + >> + resume-offset: >> + description: offset in sysctrl for notifying cpu0 when resume >> + $ref: /schemas/types.yaml#/definitions/uint32 >> + >> + reboot-offset: >> + description: offset in sysctrl for system reboot >> + $ref: /schemas/types.yaml#/definitions/uint32 >> + >> + '#clock-cells': >> + description: the number of cells occupied by one clock ID. >> + const: 1 >> + >> +required: >> + - compatible >> + - reg >> + >> +examples: >> + - | >> + /* Hisilicon system controller */ >> + system-controller@fc802000 { >> + compatible = "hisilicon,sysctrl"; >> + reg = <0xfc802000 0x1000>; >> + smp-offset = <0x31c>; >> + resume-offset = <0x308>; >> + reboot-offset = <0x4>; >> + }; >> + >> + /* HiP01 system controller */ >> + system-controller@10000000 { >> + compatible = "hisilicon,hip01-sysctrl", "hisilicon,sysctrl"; >> + reg = <0x10000000 0x1000>; >> + reboot-offset = <0x4>; >> + }; >> + >> + /* Hi6220 system controller */ >> + system-controller@f7030000 { >> + compatible = "hisilicon,hi6220-sysctrl", "syscon"; >> + reg = <0xf7030000 0x2000>; >> + #clock-cells = <1>; >> + }; >> + >> + /* Hi3519 system controller */ >> + system-controller@12010000 { >> + compatible = "hisilicon,hi3519-sysctrl", "syscon"; >> + reg = <0x12010000 0x1000>; >> + }; >> +... >> diff --git a/Documentation/devicetree/bindings/arm/hisilicon/hi3519-sysctrl.txt b/Documentation/devicetree/bindings/arm/hisilicon/hi3519-sysctrl.txt >> deleted file mode 100644 >> index 8defacc44dd5b9e..000000000000000 >> --- a/Documentation/devicetree/bindings/arm/hisilicon/hi3519-sysctrl.txt >> +++ /dev/null >> @@ -1,14 +0,0 @@ >> -* Hisilicon Hi3519 System Controller Block >> - >> -This bindings use the following binding: >> -Documentation/devicetree/bindings/mfd/syscon.yaml >> - >> -Required properties: >> -- compatible: "hisilicon,hi3519-sysctrl". >> -- reg: the register region of this block >> - >> -Examples: >> -sysctrl: system-controller@12010000 { >> - compatible = "hisilicon,hi3519-sysctrl", "syscon"; >> - reg = <0x12010000 0x1000>; >> -}; > > > > . >
