On Fri, Jan 31, 2025 at 01:56:35PM -0600, Fred Treven wrote: > Introduce required basic devicetree parameters for the > initial commit of CS40L26. This looks like soundy thing, why isn't this in sound? but title mentions haptic, so maybe input? Anyway, not MFD. > > Signed-off-by: Fred Treven <ftreven@xxxxxxxxxxxxxxxxxxxxx> > --- > .../bindings/mfd/cirrus,cs40l26.yaml | 81 +++++++++++++++++++ > MAINTAINERS | 4 +- > 2 files changed, 83 insertions(+), 2 deletions(-) > create mode 100644 Documentation/devicetree/bindings/mfd/cirrus,cs40l26.yaml > > diff --git a/Documentation/devicetree/bindings/mfd/cirrus,cs40l26.yaml b/Documentation/devicetree/bindings/mfd/cirrus,cs40l26.yaml > new file mode 100644 > index 000000000000..a3cccb1a2d92 > --- /dev/null > +++ b/Documentation/devicetree/bindings/mfd/cirrus,cs40l26.yaml > @@ -0,0 +1,81 @@ > +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/mfd/cirrus,cs40l26.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Cirrus Logic CS40L26 Boosted Haptic Amplifier > + > +maintainers: > + - Fred Treven <ftreven@xxxxxxxxxxxxxxxxxxxxx> > + - patches@xxxxxxxxxxxxxxxxxxxxx > + > +description: > + CS40L26 is a Boosted Haptic Driver with Integrated DSP, Waveform Memory, > + Advanced Closed Loop Algorithms, and LRA protection > + > +properties: > + compatible: > + enum: > + - cirrus,cs40l26a > + - cirrus,cs40l27b > + > + reg: > + maxItems: 1 > + > + interrupts: > + maxItems: 1 > + > + reset-gpios: > + maxItems: 1 > + > + va-supply: > + description: Regulator for VA analog voltage > + > + vp-supply: > + description: Regulator for VP voltage > + > + cirrus,bst-ipk-microamp: > + description: > + Maximum current that can be drawn by the device's boost converter. > + multipleOf: 50000 > + minimum: 1600000 > + maximum: 4800000 > + default: 4500000 > + > + cirrus,bst-ctl-microvolt: > + description: Maximum target voltage to which DSP may increase the VBST supply. There is no such supply as VBST (see above, I see only VA and VP), so is this output? > + multipleOf: 50000 > + minimum: 2550000 > + maximum: 11000000 > + default: 11000000 > + > +required: > + - compatible > + - reg > + - interrupts > + - reset-gpios Supplies as well > + > +additionalProperties: false > + > +examples: > + - | > + #include <dt-bindings/gpio/gpio.h> > + #include <dt-bindings/interrupt-controller/irq.h> > + > + i2c { > + #address-cells = <1>; > + #size-cells = <0>; > + > + haptic-driver@58 { > + compatible = "cirrus,cs40l26a"; > + reg = <0x58>; > + interrupt-parent = <&gpio>; > + interrupts = <57 IRQ_TYPE_LEVEL_LOW>; > + reset-gpios = <&gpio 54 GPIO_ACTIVE_LOW>; > + va-supply = <&vreg>; > + vp-supply = <&vreg>; > + cirrus,bst-ctl-microvolt = <2600000>; > + cirrus,bst-ipk-microamp = <1650000>; > + }; > + }; > diff --git a/MAINTAINERS b/MAINTAINERS > index bc8ce7af3303..9c4105bf0a32 100644 > --- a/MAINTAINERS > +++ b/MAINTAINERS > @@ -5546,11 +5546,11 @@ F: sound/soc/codecs/cs* > > CIRRUS LOGIC HAPTIC DRIVERS > M: James Ogletree <jogletre@xxxxxxxxxxxxxxxxxxxxx> > -M: Fred Treven <fred.treven@xxxxxxxxxx> > +M: Fred Treven <ftreven@xxxxxxxxxxxxxxxxxxxxx> > M: Ben Bright <ben.bright@xxxxxxxxxx> > L: patches@xxxxxxxxxxxxxxxxxxxxx > S: Supported > -F: Documentation/devicetree/bindings/input/cirrus,cs40l50.yaml > +F: Documentation/devicetree/bindings/input/cirrus,cs40l* So input or mfd? I don't understand this. Best regards, Krzysztof
