On Fri, 11 Oct 2019 14:02:31 -0500 Rob Herring <robh@xxxxxxxxxx> wrote: > Regulator '*-supply' properties are always a single phandle, so > 'maxItems: 1' or a $ref is not necessary. All that's needed is either > 'true' or an optional 'description'. Following this clean-up, the > meta-schema will enforce this pattern. > > There's one case in tree with 'innolux,n156bge-l21' having 2 phandles. > This appears to be a mistake or abuse of simple-panel as it's 2 different > voltage rails connected to 'power-supply'. Nice to centralise bits of schema like this, though perhaps it does make everything feel a bit unpredictable as not obvious to someone writing a binding that a particular corner has been centralized but others haven't. Oh well, I guess they should look at the relevant docs for each bit. Acked-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx> # for iio Thanks, Jonathan > > Cc: Neil Armstrong <narmstrong@xxxxxxxxxxxx> > Cc: Kevin Hilman <khilman@xxxxxxxxxxxx> > Cc: Jonathan Cameron <jic23@xxxxxxxxxx> > Cc: Krzysztof Kozlowski <krzk@xxxxxxxxxx> > Cc: Kishon Vijay Abraham I <kishon@xxxxxx> > Cc: Liam Girdwood <lgirdwood@xxxxxxxxx> > Cc: Mark Brown <broonie@xxxxxxxxxx> > Cc: linux-iio@xxxxxxxxxxxxxxx > Signed-off-by: Rob Herring <robh@xxxxxxxxxx> > --- > .../devicetree/bindings/display/amlogic,meson-dw-hdmi.yaml | 2 -- > Documentation/devicetree/bindings/gpu/arm,mali-bifrost.yaml | 3 +-- > Documentation/devicetree/bindings/gpu/arm,mali-midgard.yaml | 3 +-- > Documentation/devicetree/bindings/gpu/arm,mali-utgard.yaml | 3 +-- > Documentation/devicetree/bindings/iio/adc/adi,ad7124.yaml | 3 --- > Documentation/devicetree/bindings/iio/adc/adi,ad7606.yaml | 5 +---- > Documentation/devicetree/bindings/iio/adc/adi,ad7780.yaml | 1 - > Documentation/devicetree/bindings/iio/adc/avia-hx711.yaml | 1 - > .../devicetree/bindings/iio/adc/samsung,exynos-adc.yaml | 4 +--- > .../devicetree/bindings/iio/chemical/plantower,pms7003.yaml | 1 - > Documentation/devicetree/bindings/iio/pressure/bmp085.yaml | 2 -- > .../devicetree/bindings/phy/amlogic,meson-g12a-usb2-phy.yaml | 1 - > .../devicetree/bindings/regulator/fixed-regulator.yaml | 1 - > 13 files changed, 5 insertions(+), 25 deletions(-) > > diff --git a/Documentation/devicetree/bindings/display/amlogic,meson-dw-hdmi.yaml b/Documentation/devicetree/bindings/display/amlogic,meson-dw-hdmi.yaml > index fb747682006d..0da42ab8fd3a 100644 > --- a/Documentation/devicetree/bindings/display/amlogic,meson-dw-hdmi.yaml > +++ b/Documentation/devicetree/bindings/display/amlogic,meson-dw-hdmi.yaml > @@ -79,8 +79,6 @@ properties: > > hdmi-supply: > description: phandle to an external 5V regulator to power the HDMI logic > - allOf: > - - $ref: /schemas/types.yaml#/definitions/phandle > > port@0: > type: object > diff --git a/Documentation/devicetree/bindings/gpu/arm,mali-bifrost.yaml b/Documentation/devicetree/bindings/gpu/arm,mali-bifrost.yaml > index 5f1fd6d7ee0f..e50a0cc78fff 100644 > --- a/Documentation/devicetree/bindings/gpu/arm,mali-bifrost.yaml > +++ b/Documentation/devicetree/bindings/gpu/arm,mali-bifrost.yaml > @@ -37,8 +37,7 @@ properties: > clocks: > maxItems: 1 > > - mali-supply: > - maxItems: 1 > + mali-supply: true > > operating-points-v2: true > > diff --git a/Documentation/devicetree/bindings/gpu/arm,mali-midgard.yaml b/Documentation/devicetree/bindings/gpu/arm,mali-midgard.yaml > index 47bc1ac36426..5c576e5019c6 100644 > --- a/Documentation/devicetree/bindings/gpu/arm,mali-midgard.yaml > +++ b/Documentation/devicetree/bindings/gpu/arm,mali-midgard.yaml > @@ -69,8 +69,7 @@ properties: > - const: core > - const: bus > > - mali-supply: > - maxItems: 1 > + mali-supply: true > > resets: > minItems: 1 > diff --git a/Documentation/devicetree/bindings/gpu/arm,mali-utgard.yaml b/Documentation/devicetree/bindings/gpu/arm,mali-utgard.yaml > index c5d93c5839d3..afde81be3c29 100644 > --- a/Documentation/devicetree/bindings/gpu/arm,mali-utgard.yaml > +++ b/Documentation/devicetree/bindings/gpu/arm,mali-utgard.yaml > @@ -97,8 +97,7 @@ properties: > > memory-region: true > > - mali-supply: > - maxItems: 1 > + mali-supply: true > > power-domains: > maxItems: 1 > diff --git a/Documentation/devicetree/bindings/iio/adc/adi,ad7124.yaml b/Documentation/devicetree/bindings/iio/adc/adi,ad7124.yaml > index 9692b7f719f5..e932d5aed02f 100644 > --- a/Documentation/devicetree/bindings/iio/adc/adi,ad7124.yaml > +++ b/Documentation/devicetree/bindings/iio/adc/adi,ad7124.yaml > @@ -45,15 +45,12 @@ properties: > > refin1-supply: > description: refin1 supply can be used as reference for conversion. > - maxItems: 1 > > refin2-supply: > description: refin2 supply can be used as reference for conversion. > - maxItems: 1 > > avdd-supply: > description: avdd supply can be used as reference for conversion. > - maxItems: 1 > > required: > - compatible > diff --git a/Documentation/devicetree/bindings/iio/adc/adi,ad7606.yaml b/Documentation/devicetree/bindings/iio/adc/adi,ad7606.yaml > index cc544fdc38be..6eb33207a167 100644 > --- a/Documentation/devicetree/bindings/iio/adc/adi,ad7606.yaml > +++ b/Documentation/devicetree/bindings/iio/adc/adi,ad7606.yaml > @@ -31,10 +31,7 @@ properties: > > spi-cpha: true > > - avcc-supply: > - description: > - Phandle to the Avcc power supply > - maxItems: 1 > + avcc-supply: true > > interrupts: > maxItems: 1 > diff --git a/Documentation/devicetree/bindings/iio/adc/adi,ad7780.yaml b/Documentation/devicetree/bindings/iio/adc/adi,ad7780.yaml > index d1109416963c..9acde6d2e2d9 100644 > --- a/Documentation/devicetree/bindings/iio/adc/adi,ad7780.yaml > +++ b/Documentation/devicetree/bindings/iio/adc/adi,ad7780.yaml > @@ -39,7 +39,6 @@ properties: > avdd-supply: > description: > The regulator supply for the ADC reference voltage. > - maxItems: 1 > > powerdown-gpios: > description: > diff --git a/Documentation/devicetree/bindings/iio/adc/avia-hx711.yaml b/Documentation/devicetree/bindings/iio/adc/avia-hx711.yaml > index d76ece97c76c..91ab9c842273 100644 > --- a/Documentation/devicetree/bindings/iio/adc/avia-hx711.yaml > +++ b/Documentation/devicetree/bindings/iio/adc/avia-hx711.yaml > @@ -41,7 +41,6 @@ properties: > avdd-supply: > description: > Definition of the regulator used as analog supply > - maxItems: 1 > > clock-frequency: > minimum: 20000 > diff --git a/Documentation/devicetree/bindings/iio/adc/samsung,exynos-adc.yaml b/Documentation/devicetree/bindings/iio/adc/samsung,exynos-adc.yaml > index b4c6c26681d9..9218b2efa62f 100644 > --- a/Documentation/devicetree/bindings/iio/adc/samsung,exynos-adc.yaml > +++ b/Documentation/devicetree/bindings/iio/adc/samsung,exynos-adc.yaml > @@ -46,9 +46,7 @@ properties: > "#io-channel-cells": > const: 1 > > - vdd-supply: > - description: VDD input supply > - maxItems: 1 > + vdd-supply: true > > samsung,syscon-phandle: > $ref: '/schemas/types.yaml#/definitions/phandle' > diff --git a/Documentation/devicetree/bindings/iio/chemical/plantower,pms7003.yaml b/Documentation/devicetree/bindings/iio/chemical/plantower,pms7003.yaml > index a551d3101f93..19e53930ebf6 100644 > --- a/Documentation/devicetree/bindings/iio/chemical/plantower,pms7003.yaml > +++ b/Documentation/devicetree/bindings/iio/chemical/plantower,pms7003.yaml > @@ -25,7 +25,6 @@ properties: > > vcc-supply: > description: regulator that provides power to the sensor > - maxItems: 1 > > plantower,set-gpios: > description: GPIO connected to the SET line > diff --git a/Documentation/devicetree/bindings/iio/pressure/bmp085.yaml b/Documentation/devicetree/bindings/iio/pressure/bmp085.yaml > index c6721a7e8938..519137e5c170 100644 > --- a/Documentation/devicetree/bindings/iio/pressure/bmp085.yaml > +++ b/Documentation/devicetree/bindings/iio/pressure/bmp085.yaml > @@ -28,12 +28,10 @@ properties: > vddd-supply: > description: > digital voltage regulator (see regulator/regulator.txt) > - maxItems: 1 > > vdda-supply: > description: > analog voltage regulator (see regulator/regulator.txt) > - maxItems: 1 > > reset-gpios: > description: > diff --git a/Documentation/devicetree/bindings/phy/amlogic,meson-g12a-usb2-phy.yaml b/Documentation/devicetree/bindings/phy/amlogic,meson-g12a-usb2-phy.yaml > index 51254b4e65dd..57d8603076bd 100644 > --- a/Documentation/devicetree/bindings/phy/amlogic,meson-g12a-usb2-phy.yaml > +++ b/Documentation/devicetree/bindings/phy/amlogic,meson-g12a-usb2-phy.yaml > @@ -36,7 +36,6 @@ properties: > const: 0 > > phy-supply: > - maxItems: 1 > description: > Phandle to a regulator that provides power to the PHY. This > regulator will be managed during the PHY power on/off sequence. > diff --git a/Documentation/devicetree/bindings/regulator/fixed-regulator.yaml b/Documentation/devicetree/bindings/regulator/fixed-regulator.yaml > index a78150c47aa2..e56d97b233f4 100644 > --- a/Documentation/devicetree/bindings/regulator/fixed-regulator.yaml > +++ b/Documentation/devicetree/bindings/regulator/fixed-regulator.yaml > @@ -64,7 +64,6 @@ properties: > > vin-supply: > description: Input supply phandle. > - $ref: /schemas/types.yaml#/definitions/phandle > > required: > - compatible