Introduce required basic devicetree parameters for the initial commit of CS40L26. 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. + multipleOf: 50000 + minimum: 2550000 + maximum: 11000000 + default: 11000000 + +required: + - compatible + - reg + - interrupts + - reset-gpios + +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* F: drivers/input/misc/cs40l* F: drivers/mfd/cs40l* F: include/linux/mfd/cs40l* -- 2.34.1
