Add bindings for qcom PMIC PMI8998 haptics driver. Signed-off-by: Caleb Connolly <caleb@xxxxxxxxxxxxx> --- .../bindings/input/qcom,pmi8998-haptics.yaml | 71 +++++++++++++++++++ 1 file changed, 71 insertions(+) create mode 100644 Documentation/devicetree/bindings/input/qcom,pmi8998-haptics.yaml diff --git a/Documentation/devicetree/bindings/input/qcom,pmi8998-haptics.yaml b/Documentation/devicetree/bindings/input/qcom,pmi8998-haptics.yaml new file mode 100644 index 000000000000..9f51c527595c --- /dev/null +++ b/Documentation/devicetree/bindings/input/qcom,pmi8998-haptics.yaml @@ -0,0 +1,71 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +# Copyright 2020 Unisoc Inc. +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/input/qcom,pmi8998-haptics.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm PMI8998/PM660 Haptics + +maintainers: + - Caleb Connolly <caleb@xxxxxxxxxxxxx> + +description: | + Qualcomm SPMI haptics is a peripheral on some QTI PMICs. It supports linear resonant + actuators and eccentric rotating mass type haptics commonly found in mobile devices. + It supports multiple sources of wave data such as an internal buffer, direct play + (from kernel or userspace) as well as an audio output mode. + +properties: + compatible: + items: + - enum: + - qcom,pmi8998-haptics + - qcom,pm660-charger + - qcom,pmi8996-haptics + - qcom,pmi8941-haptics + + reg: + maxItems: 1 + + interrupts: + maxItems: 2 + + interrupt-names: + items: + - const: short + - const: play + + qcom,wave-play-rate-us: + description: | + Wave sample duration in microseconds, 1/f where f + is the resonant frequency of the actuator. + minimum: 0 + maximum: 20475 + +required: + - compatible + - reg + - interrupts + - qcom,wave-play-rate-us + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/irq.h> + + spmi { + #address-cells = <1>; + #size-cells = <0>; + pmi8998_haptics: haptics@c000 { + compatible = "qcom,pmi8998-haptics"; + reg = <0xc000>; + + interrupts = <0x3 0xc0 0x0 IRQ_TYPE_EDGE_BOTH>, + <0x3 0xc0 0x1 IRQ_TYPE_EDGE_BOTH>; + interrupt-names = "short", "play"; + + qcom,wave-play-rate-us = <4255>; + }; + }; -- 2.38.0
