dt-bindings: mfd: add ti,lm8502 LED + haptic controller
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- v1 Latest1 patch 3 repliesIn review
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| # | Subject and files | Size | Replies | Applied |
|---|---|---|---|---|
| 1/1 | dt-bindings: mfd: add ti,lm8502 combo LED + haptic controllerDocumentation/ | +160 | 3 replies |
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Cover letter [PATCH 0/1] dt-bindings: mfd: add ti,lm8502 LED + haptic controller
Add a YAML binding for the TI LM8502, an I2C combo LED + haptic controller used in the HP TouchPad (MSM8x60 / APQ8060) tablet.
The LM8502 exposes ten constant-current LED outputs (D1..D10) and an internal H-bridge for driving a vibrator motor. Pin D10 is shared between the tenth LED channel and the haptic output; the haptic child driver mux's D10 to the H-bridge path at each FF_RUMBLE event.
The device is modelled as an MFD with two child sub-nodes:
ti,lm8502-leds - LED-class outputs D1..D10 (per-LED reg +
led-max-microamp properties)
ti,lm8502-haptic - EV_FF / FF_RUMBLE input device for the
internal H-bridge, with optional ti,invert-direction property
The MFD core driver was already sent separately:
"[PATCH v2 0/1] mfd: lm8502: add core MFD driver for TI LM8502"
Message-ID: <[email protected]>
Child drivers (leds-lm8502, input-lm8502-haptic) will follow as separate series once the binding and core are accepted.
Herman van Hazendonk (1):
dt-bindings: mfd: add ti,lm8502 combo LED + haptic controller
.../devicetree/bindings/mfd/ti,lm8502.yaml | 160 ++++++++++++++++++ 1 file changed, 160 insertions(+) create mode 100644 Documentation/devicetree/bindings/mfd/ti,lm8502.yaml
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2.43.0