Re: [PATCH v2] dt-bindings: mfd: Convert rn5t618 to json-schema

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On Wed, Sep 16, 2020 at 08:17:57AM +0200, Andreas Kemnade wrote:
> Convert the RN5T618 binding to DT schema format. Also
> clearly state which regulators are available.
> 
> Signed-off-by: Andreas Kemnade <andreas@xxxxxxxxxxxx>
> ---
> Changes in v2:
> - drop irq description
> 
> Due to its .txt-format history BSD license was not added.
>  .../bindings/mfd/ricoh,rn5t618.yaml           | 111 ++++++++++++++++++
>  .../devicetree/bindings/mfd/rn5t618.txt       |  52 --------
>  2 files changed, 111 insertions(+), 52 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/mfd/ricoh,rn5t618.yaml
>  delete mode 100644 Documentation/devicetree/bindings/mfd/rn5t618.txt
> 
> diff --git a/Documentation/devicetree/bindings/mfd/ricoh,rn5t618.yaml b/Documentation/devicetree/bindings/mfd/ricoh,rn5t618.yaml
> new file mode 100644
> index 000000000000..d70e85a09c84
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mfd/ricoh,rn5t618.yaml
> @@ -0,0 +1,111 @@
> +# SPDX-License-Identifier: GPL-2.0
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/mfd/ricoh,rn5t618.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Ricoh RN5T567/RN5T618/RC5T619 PMIC
> +
> +maintainers:
> +  - Andreas Kemnade <andreas@xxxxxxxxxxxx>
> +
> +description: |
> +  Ricoh RN5T567/RN5T618/RC5T619 is a power management IC family which
> +  integrates 3 to 5 step-down DCDC converters, 7 to 10 low-dropout regulators,
> +  GPIOs, and a watchdog timer. It can be controlled through an I2C interface.
> +  The RN5T618/RC5T619 provides additionally a Li-ion battery charger,
> +  fuel gauge, and an ADC.
> +  The RC5T619 additionnally includes USB charger detection and an RTC.
> +
> +allOf:
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            const: ricoh,rn5t567
> +    then:
> +      properties:
> +        regulators:
> +          patternProperties:
> +            "^(DCDC[1-4]|LDO[1-5]|LDORTC[12])$":
> +              $ref: ../regulator/regulator.yaml
> +          additionalProperties: false
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            const: ricoh,rn5t618
> +    then:
> +      properties:
> +        regulators:
> +          patternProperties:
> +            "^(DCDC[1-3]|LDO[1-5]|LDORTC[12])$":
> +              $ref: ../regulator/regulator.yaml
> +          additionalProperties: false
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            const: ricoh,rc5t619
> +    then:
> +      properties:
> +        regulators:
> +          patternProperties:
> +            "^(DCDC[1-5]|LDO[1-9]|LDO10|LDORTC[12])$":
> +              $ref: ../regulator/regulator.yaml
> +          additionalProperties: false
> +
> +properties:
> +  compatible:
> +    enum:
> +      - ricoh,rn5t567
> +      - ricoh,rn5t618
> +      - ricoh,rc5t619
> +
> +  reg:
> +    maxItems: 1
> +
> +  interrupts:
> +    maxItems: 1
> +
> +  system-power-controller:
> +    type: boolean
> +    description: |
> +      See Documentation/devicetree/bindings/power/power-controller.txt
> +
> +  regulators:
> +    type: object

Add here:

$ref: ../regulator/regulator.yaml

And then the occurrances up above can be just 'true'.


> +
> +additionalProperties: false
> +
> +required:
> +  - compatible
> +  - reg
> +
> +examples:
> +  - |
> +    #include <dt-bindings/interrupt-controller/irq.h>
> +    i2c {
> +      #address-cells = <1>;
> +      #size-cells = <0>;
> +
> +      pmic@32 {
> +        compatible = "ricoh,rn5t618";
> +        reg = <0x32>;
> +        interrupt-parent = <&gpio5>;
> +        interrupts = <11 IRQ_TYPE_EDGE_FALLING>;
> +        system-power-controller;
> +
> +        regulators {
> +          DCDC1 {
> +            regulator-min-microvolt = <1050000>;
> +            regulator-max-microvolt = <1050000>;
> +          };
> +
> +          DCDC2 {
> +            regulator-min-microvolt = <1175000>;
> +            regulator-max-microvolt = <1175000>;
> +          };
> +        };
> +      };
> +    };
> diff --git a/Documentation/devicetree/bindings/mfd/rn5t618.txt b/Documentation/devicetree/bindings/mfd/rn5t618.txt
> deleted file mode 100644
> index 16778ea00dbc..000000000000
> --- a/Documentation/devicetree/bindings/mfd/rn5t618.txt
> +++ /dev/null
> @@ -1,52 +0,0 @@
> -* Ricoh RN5T567/RN5T618 PMIC
> -
> -Ricoh RN5T567/RN5T618/RC5T619 is a power management IC family which
> -integrates 3 to 5 step-down DCDC converters, 7 to 10 low-dropout regulators,
> -GPIOs, and a watchdog timer. It can be controlled through an I2C interface.
> -The RN5T618/RC5T619 provides additionally a Li-ion battery charger,
> -fuel gauge, and an ADC.
> -The RC5T619 additionnally includes USB charger detection and an RTC.
> -
> -Required properties:
> - - compatible: must be one of
> -		"ricoh,rn5t567"
> -		"ricoh,rn5t618"
> -		"ricoh,rc5t619"
> - - reg: the I2C slave address of the device
> -
> -Optional properties:
> - - interrupts: interrupt mapping for IRQ
> -   See Documentation/devicetree/bindings/interrupt-controller/interrupts.txt
> - - system-power-controller:
> -   See Documentation/devicetree/bindings/power/power-controller.txt
> -
> -Sub-nodes:
> - - regulators: the node is required if the regulator functionality is
> -   needed. The valid regulator names are: DCDC1, DCDC2, DCDC3, DCDC4
> -   (RN5T567/RC5T619), LDO1, LDO2, LDO3, LDO4, LDO5, LDO6, LDO7, LDO8,
> -   LDO9, LDO10, LDORTC1 and LDORTC2.
> -   LDO7-10 are specific to RC5T619.
> -   The common bindings for each individual regulator can be found in:
> -   Documentation/devicetree/bindings/regulator/regulator.txt
> -
> -Example:
> -
> -	pmic@32 {
> -		compatible = "ricoh,rn5t618";
> -		reg = <0x32>;
> -		interrupt-parent = <&gpio5>;
> -		interrupts = <11 IRQ_TYPE_EDGE_FALLING>;
> -		system-power-controller;
> -
> -		regulators {
> -			DCDC1 {
> -				regulator-min-microvolt = <1050000>;
> -				regulator-max-microvolt = <1050000>;
> -			};
> -
> -			DCDC2 {
> -				regulator-min-microvolt = <1175000>;
> -				regulator-max-microvolt = <1175000>;
> -			};
> -		};
> -	};
> -- 
> 2.20.1
> 



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