Re: [PATCH v2 1/6] dt-bindings: mfd: max77650: convert the binding document to yaml

From: Rob Herring
Date: Wed Oct 16 2019 - 09:51:22 EST


On Wed, Oct 16, 2019 at 7:55 AM Bartosz Golaszewski <brgl@xxxxxxxx> wrote:
>
> wt., 15 paÅ 2019 o 23:17 Rob Herring <robh+dt@xxxxxxxxxx> napisaÅ(a):
> >
> > On Tue, Oct 15, 2019 at 11:23 AM Bartosz Golaszewski <brgl@xxxxxxxx> wrote:
> > >
> > > From: Bartosz Golaszewski <bgolaszewski@xxxxxxxxxxxx>
> > >
> > > Convert the binding document for MAX77650 core MFD module to YAML.
> > >
> > > Signed-off-by: Bartosz Golaszewski <bgolaszewski@xxxxxxxxxxxx>
> > > ---
> > > .../devicetree/bindings/mfd/max77650.txt | 47 +----------
> > > .../devicetree/bindings/mfd/max77650.yaml | 83 +++++++++++++++++++
> > > 2 files changed, 84 insertions(+), 46 deletions(-)
> > > create mode 100644 Documentation/devicetree/bindings/mfd/max77650.yaml
> > >
> > > diff --git a/Documentation/devicetree/bindings/mfd/max77650.txt b/Documentation/devicetree/bindings/mfd/max77650.txt
> > > index b529d8d19335..080871686b3b 100644
> > > --- a/Documentation/devicetree/bindings/mfd/max77650.txt
> > > +++ b/Documentation/devicetree/bindings/mfd/max77650.txt
> > > @@ -1,46 +1 @@
> > > -MAX77650 ultra low-power PMIC from Maxim Integrated.
> > > -
> > > -Required properties:
> > > --------------------
> > > -- compatible: Must be "maxim,max77650"
> > > -- reg: I2C device address.
> > > -- interrupts: The interrupt on the parent the controller is
> > > - connected to.
> > > -- interrupt-controller: Marks the device node as an interrupt controller.
> > > -- #interrupt-cells: Must be <2>.
> > > -
> > > -- gpio-controller: Marks the device node as a gpio controller.
> > > -- #gpio-cells: Must be <2>. The first cell is the pin number and
> > > - the second cell is used to specify the gpio active
> > > - state.
> > > -
> > > -Optional properties:
> > > ---------------------
> > > -gpio-line-names: Single string containing the name of the GPIO line.
> > > -
> > > -The GPIO-controller module is represented as part of the top-level PMIC
> > > -node. The device exposes a single GPIO line.
> > > -
> > > -For device-tree bindings of other sub-modules (regulator, power supply,
> > > -LEDs and onkey) refer to the binding documents under the respective
> > > -sub-system directories.
> > > -
> > > -For more details on GPIO bindings, please refer to the generic GPIO DT
> > > -binding document <devicetree/bindings/gpio/gpio.txt>.
> > > -
> > > -Example:
> > > ---------
> > > -
> > > - pmic@48 {
> > > - compatible = "maxim,max77650";
> > > - reg = <0x48>;
> > > -
> > > - interrupt-controller;
> > > - interrupt-parent = <&gpio2>;
> > > - #interrupt-cells = <2>;
> > > - interrupts = <3 IRQ_TYPE_LEVEL_LOW>;
> > > -
> > > - gpio-controller;
> > > - #gpio-cells = <2>;
> > > - gpio-line-names = "max77650-charger";
> > > - };
> > > +This file has been moved to max77650.yaml.
> > > diff --git a/Documentation/devicetree/bindings/mfd/max77650.yaml b/Documentation/devicetree/bindings/mfd/max77650.yaml
> > > new file mode 100644
> > > index 000000000000..5186ad287ec7
> > > --- /dev/null
> > > +++ b/Documentation/devicetree/bindings/mfd/max77650.yaml
> > > @@ -0,0 +1,83 @@
> > > +# SPDX-License-Identifier: GPL-2.0
> > > +%YAML 1.2
> > > +---
> > > +$id: http://devicetree.org/schemas/mfd/max77650.yaml#
> > > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > > +
> > > +title: MAX77650 ultra low-power PMIC from Maxim Integrated.
> > > +
> > > +maintainers:
> > > + - Bartosz Golaszewski <bgolaszewski@xxxxxxxxxxxx>
> > > +
> > > +description: |
> > > + This document describes the DT properties of the core MFD controller.
> > > +
> > > + The GPIO-controller module is represented as part of the top-level PMIC
> > > + node. The device exposes a single GPIO line.
> > > +
> > > + For device-tree bindings of other sub-modules (regulator, power supply,
> > > + LEDs and onkey) refer to the binding documents under the respective
> > > + sub-system directories.
> > > +
> > > + For more details on GPIO bindings, please refer to the generic GPIO DT
> > > + binding document <devicetree/bindings/gpio/gpio.txt>.
> > > +
> > > +properties:
> > > + compatible:
> > > + const: maxim,max77650
> > > +
> > > + reg:
> > > + description:
> > > + I2C device address.
> > > + maxItems: 1
> > > +
> > > + interrupts:
> > > + description:
> > > + The interrupt on the parent the controller is connected to.
> > > + maxItems: 1
> > > +
> > > + interrupt-controller: true
> > > +
> > > + "#interrupt-cells":
> > > + const: 2
> > > + description:
> > > + The first cell is the IRQ number, the second cell is the trigger type.
> > > +
> > > + gpio-controller: true
> > > +
> > > + "#gpio-cells":
> > > + const: 2
> > > + description:
> > > + The first cell is the pin number and the second cell is used to specify
> > > + the gpio active state.
> > > +
> > > + gpio-line-names:
> > > + $ref: '/schemas/types.yaml#/definitions/string-array'
> > > + maxItems: 1
> > > + description:
> > > + Single string containing the name of the GPIO line.
> > > +
> > > +required:
> > > + - compatible
> > > + - reg
> > > + - interrupts
> > > + - interrupt-controller
> > > + - "#interrupt-cells"
> > > + - gpio-controller
> > > + - "#gpio-cells"
> > > +
> > > +examples:
> > > + - |
> > > + pmic@48 {
> > > + compatible = "maxim,max77650";
> > > + reg = <0x48>;
> > > +
> > > + interrupt-controller;
> > > + interrupt-parent = <&gpio2>;
> > > + #interrupt-cells = <2>;
> > > + interrupts = <3 IRQ_TYPE_LEVEL_LOW>;
> >
> > Examples are built now. Run 'make dt_binding_check' on bindings before
> > sending them:
> >
> > Error: Documentation/devicetree/bindings/mfd/max77650.example.dts:24.29-30
> > syntax error
> > FATAL ERROR: Unable to parse input tree
> > scripts/Makefile.lib:321: recipe for target
> > 'Documentation/devicetree/bindings/mfd/max77650.example.dt.yaml'
> > failed
> > make[1]: *** [Documentation/devicetree/bindings/mfd/max77650.example.dt.yaml]
> > Error 1
> >
> > You need to include any includes that you use.
> >
> > Rob
>
> Hi Rob,
>
> thanks for the review.
>
> I'm on v5.4-rc3 and when running dt_binding_check, the error I'm
> getting is this:
>
> # make dt_binding_check
> DT_SCHEMA_FILES=Documentation/devicetree/bindings/mfd/max77650.yaml
> SCHEMA Documentation/devicetree/bindings/processed-schema.yaml
> CHKDT Documentation/devicetree/bindings/mfd/max77650.yaml
> make[1]: *** No rule to make target
> 'Documentation/devicetree/bindings/mfd/max77650.example.dt.yaml',
> needed by '__build'. Stop.
> make: *** [Makefile:1263: dt_binding_check] Error 2
>
> Is this caused by the same issue or am I missing something?

I believe that's because dtc needs to be built with libyaml support.

Rob