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Date: Wed, 23 Sep 2020 22:17:02 +0200
From: Andreas Kemnade <andreas@...nade.info>
To: Rob Herring <robh@...nel.org>, 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 Tue, 22 Sep 2020 19:40:41 -0600
Rob Herring <robh@...nel.org> wrote:
> 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:
>
> $ref: ../regulator/regulator.yaml
>
> And then the occurrances up above can be just 'true'.
>
That feels wrong. I would think that gets applied to things directly
below regulator node and not to the individual regulator subnodes. To
check that I did:
diff --git a/Documentation/devicetree/bindings/regulator/regulator.yaml b/Documentation/devicetree/bindings/regulator/regulator.yaml
index ec505dbbf87c..077cb473d5f4 100644
--- a/Documentation/devicetree/bindings/regulator/regulator.yaml
+++ b/Documentation/devicetree/bindings/regulator/regulator.yaml
@@ -188,6 +188,8 @@ patternProperties:
additionalProperties: false
+additionalProperties: false
+
additionally to your requested change with this result:
andi@...ux:~/gta04/dt-chk$ DT_SCHEMA_FILES=Documentation/devicetree/bindings/mfd/ricoh,rn5t618.yaml makearm dt_binding_check
CHKDT Documentation/devicetree/bindings/mfd/ricoh,rn5t618.yaml
SCHEMA Documentation/devicetree/bindings/processed-schema-examples.yaml
DTC Documentation/devicetree/bindings/mfd/ricoh,rn5t618.example.dt.yaml
CHECK Documentation/devicetree/bindings/mfd/ricoh,rn5t618.example.dt.yaml
/home/andi/gta04/dt-chk/Documentation/devicetree/bindings/mfd/ricoh,rn5t618.example.dt.yaml: pmic@32: regulators: 'DCDC1', 'DCDC2' do not match any of the regexes: '.*-supply$', 'pinctrl-[0-9]+', 'regulator-state-(standby|mem|disk)'
From schema: /home/andi/kernel/Documentation/devicetree/bindings/mfd/ricoh,rn5t618.yaml
>
> > +
> > +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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