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bindings: input: qcom-hv-haptics: add nvmem to store CL brake settings

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

Change-Id: I59c84a3a0e93229d809f4933bbbcce19249687e9
This commit is contained in:
Fenglin Wu
2020-03-30 20:12:56 +08:00
parent 719ee15464
commit 348b074d3a
1 changed files with 16 additions and 0 deletions
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16
bindings/input/qcom-hv-haptics.txt
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@@ -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>;