| Message ID | 1610092095-5113-2-git-send-email-henryc.chen@mediatek.com |
|---|---|
| State | New |
| Headers | show |
| Series | Add driver for dvfsrc, support for active state of scpsys | expand |
Hi Rob, On Fri, 2021-01-08 at 20:30 -0700, Rob Herring wrote: > On Fri, 08 Jan 2021 15:48:03 +0800, Henry Chen wrote: > > Document the binding for enabling dvfsrc on MediaTek SoC. > > > > Signed-off-by: Henry Chen <henryc.chen@mediatek.com> > > --- > > .../devicetree/bindings/soc/mediatek/dvfsrc.yaml | 67 ++++++++++++++++++++++ > > 1 file changed, 67 insertions(+) > > create mode 100644 Documentation/devicetree/bindings/soc/mediatek/dvfsrc.yaml > > > > My bot found errors running 'make dt_binding_check' on your patch: > > yamllint warnings/errors: > > dtschema/dtc warnings/errors: > Documentation/devicetree/bindings/soc/mediatek/dvfsrc.example.dts:19:18: fatal error: dt-bindings/interconnect/mtk,mt8183-emi.h: No such file or directory > 19 | #include <dt-bindings/interconnect/mtk,mt8183-emi.h> > | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Sorry, because this header file is added on "[V7,07/13] dt-bindings: interconnect: add MT8183 interconnect dt-bindings". Should I change the order of the patchset (let the yaml pathc behind the header) to fixed that ? Thanks, Henry > compilation terminated. > make[1]: *** [scripts/Makefile.lib:344: Documentation/devicetree/bindings/soc/mediatek/dvfsrc.example.dt.yaml] Error 1 > make: *** [Makefile:1370: dt_binding_check] Error 2 > > See https://patchwork.ozlabs.org/patch/1423679 > > This check can fail if there are any dependencies. The base for a patch > series is generally the most recent rc1. > > If you already ran 'make dt_binding_check' and didn't see the above > error(s), then make sure 'yamllint' is installed and dt-schema is up to > date: > > pip3 install dtschema --upgrade > > Please check and re-submit. >
On Sun, Jan 10, 2021 at 8:52 PM Henry Chen <henryc.chen@mediatek.com> wrote: > > Hi Rob, > > On Fri, 2021-01-08 at 20:30 -0700, Rob Herring wrote: > > On Fri, 08 Jan 2021 15:48:03 +0800, Henry Chen wrote: > > > Document the binding for enabling dvfsrc on MediaTek SoC. > > > > > > Signed-off-by: Henry Chen <henryc.chen@mediatek.com> > > > --- > > > .../devicetree/bindings/soc/mediatek/dvfsrc.yaml | 67 ++++++++++++++++++++++ > > > 1 file changed, 67 insertions(+) > > > create mode 100644 Documentation/devicetree/bindings/soc/mediatek/dvfsrc.yaml > > > > > > > My bot found errors running 'make dt_binding_check' on your patch: > > > > yamllint warnings/errors: > > > > dtschema/dtc warnings/errors: > > Documentation/devicetree/bindings/soc/mediatek/dvfsrc.example.dts:19:18: fatal error: dt-bindings/interconnect/mtk,mt8183-emi.h: No such file or directory > > 19 | #include <dt-bindings/interconnect/mtk,mt8183-emi.h> > > | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > Sorry, because this header file is added on "[V7,07/13] dt-bindings: > interconnect: add MT8183 interconnect dt-bindings". > Should I change the order of the patchset (let the yaml pathc behind the > header) to fixed that ? DT headers should be part of the binding schema patch. (Or at least come first). Rob
diff --git a/Documentation/devicetree/bindings/soc/mediatek/dvfsrc.yaml b/Documentation/devicetree/bindings/soc/mediatek/dvfsrc.yaml new file mode 100644 index 0000000..0b746a8 --- /dev/null +++ b/Documentation/devicetree/bindings/soc/mediatek/dvfsrc.yaml @@ -0,0 +1,67 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/soc/mediatek/dvfsrc.yaml#" +$schema: "http://devicetree.org/meta-schemas/core.yaml#" + +title: MediaTek dynamic voltage and frequency scaling resource collector (DVFSRC) + +description: | + The Dynamic Voltage and Frequency Scaling Resource Collector (DVFSRC) is a + HW module which is used to collect all the requests from both software and + hardware and turn into the decision of minimum operating voltage and minimum + DRAM frequency to fulfill those requests. + +maintainers: + - henryc.chen <henryc.chen@mediatek.com> + +properties: + reg: + description: DVFSRC common register address and length. + + compatible: + enum: + - mediatek,mt6873-dvfsrc + - mediatek,mt8183-dvfsrc + - mediatek,mt8192-dvfsrc + + '#interconnect-cells': + const: 1 + +patternProperties: + dvfsrc-vcore: + type: object + description: + The DVFSRC regulator is modelled as a subdevice of the DVFSRC. + Because DVFSRC can request power directly via register read/write, likes + vcore which is a core power of mt8183. As such, the DVFSRC regulator + requires that DVFSRC nodes be present. + $ref: /schemas/regulator/regulator.yaml# + +required: + - compatible + - reg + - "#interconnect-cells" + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interconnect/mtk,mt8183-emi.h> + + soc { + #address-cells = <2>; + #size-cells = <2>; + + dvfsrc@10012000 { + compatible = "mediatek,mt8183-dvfsrc"; + reg = <0 0x10012000 0 0x1000>; + #interconnect-cells = <1>; + dvfsrc_vcore: dvfsrc-vcore { + regulator-name = "dvfsrc-vcore"; + regulator-min-microvolt = <725000>; + regulator-max-microvolt = <800000>; + regulator-always-on; + }; + }; + };
Document the binding for enabling dvfsrc on MediaTek SoC. Signed-off-by: Henry Chen <henryc.chen@mediatek.com> --- .../devicetree/bindings/soc/mediatek/dvfsrc.yaml | 67 ++++++++++++++++++++++ 1 file changed, 67 insertions(+) create mode 100644 Documentation/devicetree/bindings/soc/mediatek/dvfsrc.yaml