| Message ID | 20200928151324.2134-8-thunder.leizhen@huawei.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | add support for Hisilicon SD5203 SoC | expand |
On Mon, Sep 28, 2020 at 11:13:11PM +0800, Zhen Lei 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@huawei.com> > --- > .../controller/hisilicon,hi6220-sysctrl.txt | 19 ---- > .../controller/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/hisilicon,hi6220-sysctrl.txt > delete mode 100644 Documentation/devicetree/bindings/arm/hisilicon/controller/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,hi6220-sysctrl.txt b/Documentation/devicetree/bindings/arm/hisilicon/controller/hisilicon,hi6220-sysctrl.txt > deleted file mode 100644 > index 07e318eda254f52..000000000000000 > --- a/Documentation/devicetree/bindings/arm/hisilicon/controller/hisilicon,hi6220-sysctrl.txt > +++ /dev/null > @@ -1,19 +0,0 @@ > -Hisilicon Hi6220 system controller > - > -Required properties: > -- compatible : "hisilicon,hi6220-sysctrl" > -- reg : Register address and size > -- #clock-cells: should be set to 1, many clock registers are defined > - under this controller and this property must be present. > - > -Hisilicon designs this controller as one of the system controllers, > -its main functions are the same as Hisilicon system controller, but > -the register offset of some core modules are different. > - > -Example: > - /*for Hi6220*/ > - sys_ctrl: sys_ctrl@f7030000 { > - compatible = "hisilicon,hi6220-sysctrl", "syscon"; > - reg = <0x0 0xf7030000 0x0 0x2000>; > - #clock-cells = <1>; > - }; > diff --git a/Documentation/devicetree/bindings/arm/hisilicon/controller/hisilicon,hip01-sysctrl.txt b/Documentation/devicetree/bindings/arm/hisilicon/controller/hisilicon,hip01-sysctrl.txt > deleted file mode 100644 > index db2dfdce799db91..000000000000000 > --- a/Documentation/devicetree/bindings/arm/hisilicon/controller/hisilicon,hip01-sysctrl.txt > +++ /dev/null > @@ -1,19 +0,0 @@ > -Hisilicon HiP01 system controller > - > -Required properties: > -- compatible : "hisilicon,hip01-sysctrl" > -- reg : Register address and size > - > -The HiP01 system controller is mostly compatible with hisilicon > -system controller,but it has some specific control registers for > -HIP01 SoC family, such as slave core boot, and also some same > -registers located at different offset. > - > -Example: > - > - /* for hip01-ca9x2 */ > - sysctrl: system-controller@10000000 { > - compatible = "hisilicon,hip01-sysctrl", "hisilicon,sysctrl"; > - reg = <0x10000000 0x1000>; > - reboot-offset = <0x4>; > - }; > diff --git a/Documentation/devicetree/bindings/arm/hisilicon/controller/hisilicon,sysctrl.txt b/Documentation/devicetree/bindings/arm/hisilicon/controller/hisilicon,sysctrl.txt > deleted file mode 100644 > index 963f7f1ca7a2f0c..000000000000000 > --- a/Documentation/devicetree/bindings/arm/hisilicon/controller/hisilicon,sysctrl.txt > +++ /dev/null > @@ -1,25 +0,0 @@ > -Hisilicon system controller > - > -Required properties: > -- compatible : "hisilicon,sysctrl" > -- reg : Register address and size > - > -Optional properties: > -- smp-offset : 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 > -- resume-offset : offset in sysctrl for notifying cpu0 when resume > -- reboot-offset : offset in sysctrl for system reboot > - > -Example: > - > - /* for Hi3620 */ > - sysctrl: system-controller@fc802000 { > - compatible = "hisilicon,sysctrl"; > - reg = <0xfc802000 0x1000>; > - smp-offset = <0x31c>; > - resume-offset = <0x308>; > - reboot-offset = <0x4>; > - }; > 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..37b214e0a401d7d > --- /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@hisilicon.com> > + > +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 > + - items: > + - const: hisilicon,sysctrl > + - const: syscon Of these 2, the 1st case should be fixed (add 'syscon' in the dts files). > + - items: > + - const: hisilicon,hip01-sysctrl > + - const: hisilicon,sysctrl > + - items: > + - const: hisilicon,hi6220-sysctrl > + - const: syscon > + - items: > + - const: hisilicon,hi3519-sysctrl > + - const: syscon All the cases with 'syscon' can be a single entry. Use 'enum' for the 1st string. > + > + reg: > + description: Register address and size That's every 'reg' property. Drop it. > + 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. Drop. > + const: 1 > + > +required: > + - compatible > + - reg additionalProperties: false (and in other patches) > + > +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>; > -}; > -- > 1.8.3 > >
On 2020/9/29 3:13, Rob Herring wrote: > On Mon, Sep 28, 2020 at 11:13:11PM +0800, Zhen Lei 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@huawei.com> >> --- >> .../controller/hisilicon,hi6220-sysctrl.txt | 19 ---- >> .../controller/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/hisilicon,hi6220-sysctrl.txt >> delete mode 100644 Documentation/devicetree/bindings/arm/hisilicon/controller/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,hi6220-sysctrl.txt b/Documentation/devicetree/bindings/arm/hisilicon/controller/hisilicon,hi6220-sysctrl.txt >> deleted file mode 100644 >> index 07e318eda254f52..000000000000000 >> --- a/Documentation/devicetree/bindings/arm/hisilicon/controller/hisilicon,hi6220-sysctrl.txt >> +++ /dev/null >> @@ -1,19 +0,0 @@ >> -Hisilicon Hi6220 system controller >> - >> -Required properties: >> -- compatible : "hisilicon,hi6220-sysctrl" >> -- reg : Register address and size >> -- #clock-cells: should be set to 1, many clock registers are defined >> - under this controller and this property must be present. >> - >> -Hisilicon designs this controller as one of the system controllers, >> -its main functions are the same as Hisilicon system controller, but >> -the register offset of some core modules are different. >> - >> -Example: >> - /*for Hi6220*/ >> - sys_ctrl: sys_ctrl@f7030000 { >> - compatible = "hisilicon,hi6220-sysctrl", "syscon"; >> - reg = <0x0 0xf7030000 0x0 0x2000>; >> - #clock-cells = <1>; >> - }; >> diff --git a/Documentation/devicetree/bindings/arm/hisilicon/controller/hisilicon,hip01-sysctrl.txt b/Documentation/devicetree/bindings/arm/hisilicon/controller/hisilicon,hip01-sysctrl.txt >> deleted file mode 100644 >> index db2dfdce799db91..000000000000000 >> --- a/Documentation/devicetree/bindings/arm/hisilicon/controller/hisilicon,hip01-sysctrl.txt >> +++ /dev/null >> @@ -1,19 +0,0 @@ >> -Hisilicon HiP01 system controller >> - >> -Required properties: >> -- compatible : "hisilicon,hip01-sysctrl" >> -- reg : Register address and size >> - >> -The HiP01 system controller is mostly compatible with hisilicon >> -system controller,but it has some specific control registers for >> -HIP01 SoC family, such as slave core boot, and also some same >> -registers located at different offset. >> - >> -Example: >> - >> - /* for hip01-ca9x2 */ >> - sysctrl: system-controller@10000000 { >> - compatible = "hisilicon,hip01-sysctrl", "hisilicon,sysctrl"; >> - reg = <0x10000000 0x1000>; >> - reboot-offset = <0x4>; >> - }; >> diff --git a/Documentation/devicetree/bindings/arm/hisilicon/controller/hisilicon,sysctrl.txt b/Documentation/devicetree/bindings/arm/hisilicon/controller/hisilicon,sysctrl.txt >> deleted file mode 100644 >> index 963f7f1ca7a2f0c..000000000000000 >> --- a/Documentation/devicetree/bindings/arm/hisilicon/controller/hisilicon,sysctrl.txt >> +++ /dev/null >> @@ -1,25 +0,0 @@ >> -Hisilicon system controller >> - >> -Required properties: >> -- compatible : "hisilicon,sysctrl" >> -- reg : Register address and size >> - >> -Optional properties: >> -- smp-offset : 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 >> -- resume-offset : offset in sysctrl for notifying cpu0 when resume >> -- reboot-offset : offset in sysctrl for system reboot >> - >> -Example: >> - >> - /* for Hi3620 */ >> - sysctrl: system-controller@fc802000 { >> - compatible = "hisilicon,sysctrl"; >> - reg = <0xfc802000 0x1000>; >> - smp-offset = <0x31c>; >> - resume-offset = <0x308>; >> - reboot-offset = <0x4>; >> - }; >> 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..37b214e0a401d7d >> --- /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@hisilicon.com> >> + >> +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 >> + - items: >> + - const: hisilicon,sysctrl >> + - const: syscon > > Of these 2, the 1st case should be fixed (add 'syscon' in the dts > files). OK, I will fix it. > >> + - items: >> + - const: hisilicon,hip01-sysctrl >> + - const: hisilicon,sysctrl >> + - items: >> + - const: hisilicon,hi6220-sysctrl >> + - const: syscon >> + - items: >> + - const: hisilicon,hi3519-sysctrl >> + - const: syscon > > All the cases with 'syscon' can be a single entry. Use 'enum' for the > 1st string. OK, I will do it. > >> + >> + reg: >> + description: Register address and size > > That's every 'reg' property. Drop it. OK, I will drop the description. > >> + 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. > > Drop. OK, I will drop the description. > >> + const: 1 >> + >> +required: >> + - compatible >> + - reg > > additionalProperties: false > > (and in other patches) OK, I will do it. > >> + >> +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>; >> -}; >> -- >> 1.8.3 >> >> > > . >
diff --git a/Documentation/devicetree/bindings/arm/hisilicon/controller/hisilicon,hi6220-sysctrl.txt b/Documentation/devicetree/bindings/arm/hisilicon/controller/hisilicon,hi6220-sysctrl.txt deleted file mode 100644 index 07e318eda254f52..000000000000000 --- a/Documentation/devicetree/bindings/arm/hisilicon/controller/hisilicon,hi6220-sysctrl.txt +++ /dev/null @@ -1,19 +0,0 @@ -Hisilicon Hi6220 system controller - -Required properties: -- compatible : "hisilicon,hi6220-sysctrl" -- reg : Register address and size -- #clock-cells: should be set to 1, many clock registers are defined - under this controller and this property must be present. - -Hisilicon designs this controller as one of the system controllers, -its main functions are the same as Hisilicon system controller, but -the register offset of some core modules are different. - -Example: - /*for Hi6220*/ - sys_ctrl: sys_ctrl@f7030000 { - compatible = "hisilicon,hi6220-sysctrl", "syscon"; - reg = <0x0 0xf7030000 0x0 0x2000>; - #clock-cells = <1>; - }; diff --git a/Documentation/devicetree/bindings/arm/hisilicon/controller/hisilicon,hip01-sysctrl.txt b/Documentation/devicetree/bindings/arm/hisilicon/controller/hisilicon,hip01-sysctrl.txt deleted file mode 100644 index db2dfdce799db91..000000000000000 --- a/Documentation/devicetree/bindings/arm/hisilicon/controller/hisilicon,hip01-sysctrl.txt +++ /dev/null @@ -1,19 +0,0 @@ -Hisilicon HiP01 system controller - -Required properties: -- compatible : "hisilicon,hip01-sysctrl" -- reg : Register address and size - -The HiP01 system controller is mostly compatible with hisilicon -system controller,but it has some specific control registers for -HIP01 SoC family, such as slave core boot, and also some same -registers located at different offset. - -Example: - - /* for hip01-ca9x2 */ - sysctrl: system-controller@10000000 { - compatible = "hisilicon,hip01-sysctrl", "hisilicon,sysctrl"; - reg = <0x10000000 0x1000>; - reboot-offset = <0x4>; - }; diff --git a/Documentation/devicetree/bindings/arm/hisilicon/controller/hisilicon,sysctrl.txt b/Documentation/devicetree/bindings/arm/hisilicon/controller/hisilicon,sysctrl.txt deleted file mode 100644 index 963f7f1ca7a2f0c..000000000000000 --- a/Documentation/devicetree/bindings/arm/hisilicon/controller/hisilicon,sysctrl.txt +++ /dev/null @@ -1,25 +0,0 @@ -Hisilicon system controller - -Required properties: -- compatible : "hisilicon,sysctrl" -- reg : Register address and size - -Optional properties: -- smp-offset : 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 -- resume-offset : offset in sysctrl for notifying cpu0 when resume -- reboot-offset : offset in sysctrl for system reboot - -Example: - - /* for Hi3620 */ - sysctrl: system-controller@fc802000 { - compatible = "hisilicon,sysctrl"; - reg = <0xfc802000 0x1000>; - smp-offset = <0x31c>; - resume-offset = <0x308>; - reboot-offset = <0x4>; - }; 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..37b214e0a401d7d --- /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@hisilicon.com> + +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 + - 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>; -};
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@huawei.com> --- .../controller/hisilicon,hi6220-sysctrl.txt | 19 ---- .../controller/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/hisilicon,hi6220-sysctrl.txt delete mode 100644 Documentation/devicetree/bindings/arm/hisilicon/controller/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