Re: [PATCH 1/1] dt-bindings: timer: Convert ingenic,tcu.txt to YAML

[Paul Cercueil <paul@xxxxxxxxxxxxxxx>]

Hi Rob,


Le lun., mars 2, 2020 at 11:06, Rob Herring <robh+dt@xxxxxxxxxx> a 
écrit :
> On Sun, Mar 1, 2020 at 11:47 AM Paul Cercueil <paul@xxxxxxxxxxxxxxx> 
> wrote:
> >
>
> Well, this flew into linux-next quickly and breaks 'make
> dt_binding_check'... Please drop, revert or fix quickly.

For my defense I said to merge "provided Rob acks it" ;)

> >  Convert the ingenic,tcu.txt file to YAML.
> >
> >  Signed-off-by: Paul Cercueil <paul@xxxxxxxxxxxxxxx>
> >  ---
> >   .../devicetree/bindings/timer/ingenic,tcu.txt | 138 ----------
> >   .../bindings/timer/ingenic,tcu.yaml           | 235 
> > ++++++++++++++++++
> >   2 files changed, 235 insertions(+), 138 deletions(-)
> >   delete mode 100644 
> > Documentation/devicetree/bindings/timer/ingenic,tcu.txt
> >   create mode 100644 
> > Documentation/devicetree/bindings/timer/ingenic,tcu.yaml
>
>
> >  diff --git 
> > a/Documentation/devicetree/bindings/timer/ingenic,tcu.yaml 
> > b/Documentation/devicetree/bindings/timer/ingenic,tcu.yaml
> >  new file mode 100644
> >  index 000000000000..1ded3b4762bb
> >  --- /dev/null
> >  +++ b/Documentation/devicetree/bindings/timer/ingenic,tcu.yaml
> >  @@ -0,0 +1,235 @@
> >  +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> >  +%YAML 1.2
> >  +---
> >  +$id: http://devicetree.org/schemas/timer/ingenic,tcu.yaml#
> >  +$schema: http://devicetree.org/meta-schemas/core.yaml#
> >  +
> >  +title: Ingenic SoCs Timer/Counter Unit (TCU) devicetree bindings
> >  +
> >  +description: |
> >  +  For a description of the TCU hardware and drivers, have a look at
> >  +  Documentation/mips/ingenic-tcu.rst.
> >  +
> >  +maintainers:
> >  +  - Paul Cercueil <paul@xxxxxxxxxxxxxxx>
> >  +
> >  +properties:
> >  +  $nodename:
> >  +    pattern: "^timer@.*"
>
> '.*' is redundant.
>
> >  +
> >  +  "#address-cells":
> >  +    const: 1
> >  +
> >  +  "#size-cells":
> >  +    const: 1
> >  +
> >  +  "#clock-cells":
> >  +    const: 1
> >  +
> >  +  "#interrupt-cells":
> >  +    const: 1
> >  +
> >  +  interrupt-controller: true
> >  +
> >  +  ranges: true
> >  +
> >  +  compatible:
> >  +    items:
> >  +      - enum:
> >  +        - ingenic,jz4740-tcu
> >  +        - ingenic,jz4725b-tcu
> >  +        - ingenic,jz4770-tcu
> >  +        - ingenic,x1000-tcu
> >  +      - const: simple-mfd
>
> This breaks several examples in dt_binding_check because this schema
> will be applied to every 'simple-mfd' node. You need a custom select
> entry that excludes 'simple-mfd'. There should be several examples in
> tree to copy.

Why would it be applied to all 'single-mfd' nodes? Doesn't what I wrote 
specify that it needs one of ingenic,*-tcu _and_ simple-mfd?

I'm not sure I understand what you mean.

I did grep for 'single-mfd' in all YAML files in Documentation/ and 
nothing really stands out.

-Paul

> >  +
> >  +  reg:
> >  +    maxItems: 1
> >  +
> >  +  clocks:
> >  +    items:
> >  +      - description: RTC clock
> >  +      - description: EXT clock
> >  +      - description: PCLK clock
> >  +      - description: TCU clock
> >  +    minItems: 3
> >  +
> >  +  clock-names:
> >  +    items:
> >  +      - const: rtc
> >  +      - const: ext
> >  +      - const: pclk
> >  +      - const: tcu
> >  +    minItems: 3
> >  +
> >  +  interrupts:
> >  +    minItems: 1
> >  +    maxItems: 3
>
> You need to define what each one is.
>
> >  +
> >  +  ingenic,pwm-channels-mask:
> >  +    description: Bitmask of TCU channels reserved for PWM use.
> >  +    allOf:
> >  +      - $ref: /schemas/types.yaml#/definitions/uint32
> >  +      - minimum: 0x00
> >  +      - maximum: 0xff
> >  +      - default: 0xfc
> >  +
> >  +patternProperties:
> >  +  "^watchdog@[a-f0-9]+$":
> >  +    type: object
> >  +    allOf: [ $ref: ../watchdog/watchdog.yaml# ]
> >  +    properties:
> >  +      compatible:
> >  +        oneOf:
> >  +          - enum:
> >  +            - ingenic,jz4740-watchdog
> >  +            - ingenic,jz4780-watchdog
> >  +          - items:
> >  +            - const: ingenic,jz4770-watchdog
> >  +            - const: ingenic,jz4740-watchdog
> >  +
> >  +      clocks:
> >  +        maxItems: 1
> >  +
> >  +      clock-names:
> >  +        const: wdt
> >  +
> >  +    required:
> >  +      - compatible
> >  +      - clocks
> >  +      - clock-names
> >  +
> >  +  "^pwm@[a-f0-9]+$":
> >  +    type: object
> >  +    allOf: [ $ref: ../pwm/pwm.yaml# ]
> >  +    properties:
> >  +      compatible:
> >  +        oneOf:
> >  +          - enum:
> >  +            - ingenic,jz4740-pwm
> >  +          - items:
> >  +            - enum:
> >  +              - ingenic,jz4770-pwm
> >  +              - ingenic,jz4780-pwm
> >  +            - const: ingenic,jz4740-pwm
> >  +
> >  +      clocks:
> >  +        minItems: 6
> >  +        maxItems: 8
> >  +
> >  +      clock-names:
> >  +        items:
> >  +          - const: timer0
> >  +          - const: timer1
> >  +          - const: timer2
> >  +          - const: timer3
> >  +          - const: timer4
> >  +          - const: timer5
> >  +          - const: timer6
> >  +          - const: timer7
> >  +        minItems: 6
> >  +
> >  +    required:
> >  +      - compatible
> >  +      - clocks
> >  +      - clock-names
> >  +
> >  +  "^timer@[a-f0-9]+":
> >  +    type: object
> >  +    properties:
> >  +      compatible:
> >  +        oneOf:
> >  +          - enum:
> >  +            - ingenic,jz4725b-ost
> >  +            - ingenic,jz4770-ost
> >  +          - items:
> >  +            - const: ingenic,jz4780-ost
> >  +            - const: ingenic,jz4770-ost
> >  +
> >  +
> >  +      clocks:
> >  +        maxItems: 1
> >  +
> >  +      clock-names:
> >  +        const: ost
> >  +
> >  +      interrupts:
> >  +        maxItems: 1
> >  +
> >  +    required:
> >  +      - compatible
> >  +      - clocks
> >  +      - clock-names
> >  +      - interrupts
> >  +
> >  +required:
> >  +  - "#clock-cells"
> >  +  - "#interrupt-cells"
> >  +  - interrupt-controller
> >  +  - compatible
> >  +  - reg
> >  +  - clocks
> >  +  - clock-names
> >  +  - interrupts
> >  +
> >  +additionalProperties: false
> >  +
> >  +examples:
> >  +  - |
> >  +    #include <dt-bindings/clock/jz4770-cgu.h>
> >  +    #include <dt-bindings/clock/ingenic,tcu.h>
> >  +    tcu: timer@10002000 {
> >  +      compatible = "ingenic,jz4770-tcu", "simple-mfd";
> >  +      reg = <0x10002000 0x1000>;
> >  +      #address-cells = <1>;
> >  +      #size-cells = <1>;
> >  +      ranges = <0x0 0x10002000 0x1000>;
> >  +
> >  +      #clock-cells = <1>;
> >  +
> >  +      clocks = <&cgu JZ4770_CLK_RTC>,
> >  +               <&cgu JZ4770_CLK_EXT>,
> >  +               <&cgu JZ4770_CLK_PCLK>;
> >  +      clock-names = "rtc", "ext", "pclk";
> >  +
> >  +      interrupt-controller;
> >  +      #interrupt-cells = <1>;
> >  +
> >  +      interrupt-parent = <&intc>;
> >  +      interrupts = <27 26 25>;
> >  +
> >  +      watchdog: watchdog@0 {
> >  +        compatible = "ingenic,jz4770-watchdog", 
> > "ingenic,jz4740-watchdog";
> >  +        reg = <0x0 0xc>;
> >  +
> >  +        clocks = <&tcu TCU_CLK_WDT>;
> >  +        clock-names = "wdt";
> >  +      };
> >  +
> >  +      pwm: pwm@40 {
> >  +        compatible = "ingenic,jz4770-pwm", "ingenic,jz4740-pwm";
> >  +        reg = <0x40 0x80>;
> >  +
> >  +        #pwm-cells = <3>;
> >  +
> >  +        clocks = <&tcu TCU_CLK_TIMER0>,
> >  +                 <&tcu TCU_CLK_TIMER1>,
> >  +                 <&tcu TCU_CLK_TIMER2>,
> >  +                 <&tcu TCU_CLK_TIMER3>,
> >  +                 <&tcu TCU_CLK_TIMER4>,
> >  +                 <&tcu TCU_CLK_TIMER5>,
> >  +                 <&tcu TCU_CLK_TIMER6>,
> >  +                 <&tcu TCU_CLK_TIMER7>;
> >  +        clock-names = "timer0", "timer1", "timer2", "timer3",
> >  +                "timer4", "timer5", "timer6", "timer7";
> >  +      };
> >  +
> >  +      ost: timer@e0 {
> >  +        compatible = "ingenic,jz4770-ost";
> >  +        reg = <0xe0 0x20>;
> >  +
> >  +        clocks = <&tcu TCU_CLK_OST>;
> >  +        clock-names = "ost";
> >  +
> >  +        interrupts = <15>;
> >  +      };
> >  +    };
> >  --
> >  2.25.1