| Message ID | 20210703084224.31623-2-andreas@kemnade.info (mailing list archive) |
|---|---|
| State | Not Applicable, archived |
| Headers | show |
| Series | mfd: rn5t618: Extend ADC support | expand |
On Sat, 3 Jul 2021 10:42:21 +0200 Andreas Kemnade <andreas@kemnade.info> wrote: > Add ADC related nodes and properties. This will allow to wire > up ADC channels to consumers, especially to measure input voltages > by the power subdevice. > > Signed-off-by: Andreas Kemnade <andreas@kemnade.info> > --- > .../bindings/mfd/ricoh,rn5t618.yaml | 53 +++++++++++++++++++ > 1 file changed, 53 insertions(+) > > diff --git a/Documentation/devicetree/bindings/mfd/ricoh,rn5t618.yaml b/Documentation/devicetree/bindings/mfd/ricoh,rn5t618.yaml > index 032a7fb0b4a7..185f87a14a54 100644 > --- a/Documentation/devicetree/bindings/mfd/ricoh,rn5t618.yaml > +++ b/Documentation/devicetree/bindings/mfd/ricoh,rn5t618.yaml > @@ -73,6 +73,48 @@ properties: > description: | > See Documentation/devicetree/bindings/power/power-controller.txt > > + adc: > + type: object > + > + properties: > + compatible: > + enum: > + - ricoh,rn5t618-adc > + - ricoh,rc5t619-adc > + > + "#io-channel-cells": > + const: 1 > + > + additionalProperties: false > + > + required: > + - compatible > + - "#io-channel-cells" Strictly required? If not used below (where it is optional) then why do we require the ADC driver to provided the services? I don't mind you leave it as it is though if you prefer - it doesn't do any harm! > + > + power: > + type: object > + > + properties: > + compatible: > + enum: > + - ricoh,rn5t618-power > + - ricoh,rc5t619-power > + > + io-channels: > + items: > + - description: ADP Voltage Channel > + - description: USB Voltage Channel > + > + io-channel-names: > + items: > + - const: vadp > + - const: vusb > + > + additionalProperties: false > + > + required: > + - compatible > + > regulators: > type: object > > @@ -96,6 +138,17 @@ examples: > interrupts = <11 IRQ_TYPE_EDGE_FALLING>; > system-power-controller; > > + rn5t618_adc: adc { > + compatible = "ricoh,rn5t618-adc"; > + #io-channel-cells = <1>; > + }; > + > + power { > + compatible = "ricoh,rn5t618-power"; > + io-channels = <&rn5t618_adc 2>, <&rn5t618_adc 3>; > + io-channel-names = "vadp", "vusb"; > + }; > + > regulators { > DCDC1 { > regulator-min-microvolt = <1050000>;
On Sat, 3 Jul 2021 17:02:45 +0100 Jonathan Cameron <jic23@kernel.org> wrote: > On Sat, 3 Jul 2021 10:42:21 +0200 > Andreas Kemnade <andreas@kemnade.info> wrote: > > > Add ADC related nodes and properties. This will allow to wire > > up ADC channels to consumers, especially to measure input voltages > > by the power subdevice. > > > > Signed-off-by: Andreas Kemnade <andreas@kemnade.info> > > --- > > .../bindings/mfd/ricoh,rn5t618.yaml | 53 +++++++++++++++++++ > > 1 file changed, 53 insertions(+) > > > > diff --git a/Documentation/devicetree/bindings/mfd/ricoh,rn5t618.yaml b/Documentation/devicetree/bindings/mfd/ricoh,rn5t618.yaml > > index 032a7fb0b4a7..185f87a14a54 100644 > > --- a/Documentation/devicetree/bindings/mfd/ricoh,rn5t618.yaml > > +++ b/Documentation/devicetree/bindings/mfd/ricoh,rn5t618.yaml > > @@ -73,6 +73,48 @@ properties: > > description: | > > See Documentation/devicetree/bindings/power/power-controller.txt > > > > + adc: > > + type: object > > + > > + properties: > > + compatible: > > + enum: > > + - ricoh,rn5t618-adc > > + - ricoh,rc5t619-adc > > + > > + "#io-channel-cells": > > + const: 1 > > + > > + additionalProperties: false > > + > > + required: > > + - compatible > > + - "#io-channel-cells" > > Strictly required? If not used below (where it is optional) > then why do we require the ADC driver to provided the services? > > I don't mind you leave it as it is though if you prefer - it doesn't > do any harm! > ok, it is not that strictly required. Regards, Andreas
On Sat, Jul 03, 2021 at 05:02:45PM +0100, Jonathan Cameron wrote: > On Sat, 3 Jul 2021 10:42:21 +0200 > Andreas Kemnade <andreas@kemnade.info> wrote: > > > Add ADC related nodes and properties. This will allow to wire > > up ADC channels to consumers, especially to measure input voltages > > by the power subdevice. > > > > Signed-off-by: Andreas Kemnade <andreas@kemnade.info> > > --- > > .../bindings/mfd/ricoh,rn5t618.yaml | 53 +++++++++++++++++++ > > 1 file changed, 53 insertions(+) > > > > diff --git a/Documentation/devicetree/bindings/mfd/ricoh,rn5t618.yaml b/Documentation/devicetree/bindings/mfd/ricoh,rn5t618.yaml > > index 032a7fb0b4a7..185f87a14a54 100644 > > --- a/Documentation/devicetree/bindings/mfd/ricoh,rn5t618.yaml > > +++ b/Documentation/devicetree/bindings/mfd/ricoh,rn5t618.yaml > > @@ -73,6 +73,48 @@ properties: > > description: | > > See Documentation/devicetree/bindings/power/power-controller.txt > > > > + adc: > > + type: object > > + > > + properties: > > + compatible: > > + enum: > > + - ricoh,rn5t618-adc > > + - ricoh,rc5t619-adc > > + > > + "#io-channel-cells": > > + const: 1 > > + > > + additionalProperties: false > > + > > + required: > > + - compatible > > + - "#io-channel-cells" > > Strictly required? If not used below (where it is optional) > then why do we require the ADC driver to provided the services? > > I don't mind you leave it as it is though if you prefer - it doesn't > do any harm! The device is either a provider or it is not regardless of whether there's a consumer, so I prefer this to be required. Also, if a consumer is in an overlay, then it is easier if we can rely on #io-channel-cells being present already. Rob
diff --git a/Documentation/devicetree/bindings/mfd/ricoh,rn5t618.yaml b/Documentation/devicetree/bindings/mfd/ricoh,rn5t618.yaml index 032a7fb0b4a7..185f87a14a54 100644 --- a/Documentation/devicetree/bindings/mfd/ricoh,rn5t618.yaml +++ b/Documentation/devicetree/bindings/mfd/ricoh,rn5t618.yaml @@ -73,6 +73,48 @@ properties: description: | See Documentation/devicetree/bindings/power/power-controller.txt + adc: + type: object + + properties: + compatible: + enum: + - ricoh,rn5t618-adc + - ricoh,rc5t619-adc + + "#io-channel-cells": + const: 1 + + additionalProperties: false + + required: + - compatible + - "#io-channel-cells" + + power: + type: object + + properties: + compatible: + enum: + - ricoh,rn5t618-power + - ricoh,rc5t619-power + + io-channels: + items: + - description: ADP Voltage Channel + - description: USB Voltage Channel + + io-channel-names: + items: + - const: vadp + - const: vusb + + additionalProperties: false + + required: + - compatible + regulators: type: object @@ -96,6 +138,17 @@ examples: interrupts = <11 IRQ_TYPE_EDGE_FALLING>; system-power-controller; + rn5t618_adc: adc { + compatible = "ricoh,rn5t618-adc"; + #io-channel-cells = <1>; + }; + + power { + compatible = "ricoh,rn5t618-power"; + io-channels = <&rn5t618_adc 2>, <&rn5t618_adc 3>; + io-channel-names = "vadp", "vusb"; + }; + regulators { DCDC1 { regulator-min-microvolt = <1050000>;
Add ADC related nodes and properties. This will allow to wire up ADC channels to consumers, especially to measure input voltages by the power subdevice. Signed-off-by: Andreas Kemnade <andreas@kemnade.info> --- .../bindings/mfd/ricoh,rn5t618.yaml | 53 +++++++++++++++++++ 1 file changed, 53 insertions(+)