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Commit 348b074d authored by Fenglin Wu's avatar Fenglin Wu
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bindings: input: qcom-hv-haptics: add nvmem to store CL brake settings 

Add properties to specify nvmem for haptics which can be used for storing
closed-loop brake calibration settings.

Change-Id: I59c84a3a0e93229d809f4933bbbcce19249687e9
parent 719ee154

bindings/input/qcom-hv-haptics.txt

+16 −0
Original line number Diff line number Diff line
@@ -85,6 +85,20 @@ Properties: 
  Definition:	Specifies if the hardware is driving an ERM actuator. If it's

		not defined, then LRA actuator is used.



- nvmem-cell-names:

  Usage:	optional

  Value type:	<string>

  Definition:	The nvmem cell name of the SDAM module where the closed-loop

		brake calibration settings can be stored. It must be

		"hap_cl_brake".



- nvmem-cells:

  Usage:	optional

  Value type:	<phandle>

  Definition:	Phandle of the nvmem cell to store the closed-loop brake

		calibration settings. Please refer to nvmem bindings as

		described in bindings/nvmem/nvmem.txt.



The following properties are only required when LRA actuator is used:



- qcom,lra-period-us:
@@ -231,6 +245,8 @@ Example: 
		reg = <0xf000>, <0xf100>;

		interrupts = <0x3 0xf0 0x1 IRQ_TYPE_EDGE_BOTH>;

		interrupt-names = "fifo-empty";

		nvmem-cell-names = "hap_cl_brake";

		nvmem-cells = <&hap_cl_brake>;

		qcom,vmax-mv = <900>;

		qcom,brake-mode = <BRAKE_CLOSE_LOOP>;

		qcom,brake-pattern = /bits/ 8 <0xff 0x3f 0x1f>;