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Message-ID: <20200923014041.GA3669674@bogus>
Date: Tue, 22 Sep 2020 19:40:41 -0600
From: Rob Herring <robh@...nel.org>
To: Andreas Kemnade <andreas@...nade.info>
Cc: lee.jones@...aro.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, b.galvani@...il.com, stefan@...er.ch
Subject: Re: [PATCH v2] dt-bindings: mfd: Convert rn5t618 to json-schema
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@...nade.info>
> ---
> 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@...nade.info>
> +
> +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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