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dt-bindings: Add snapshot of CX Ipeak cooling device devicetree binding

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Add snapshot of CX Ipeak devicetree binding to the devicetree project.
This snapshot is taken as of 'commit <829fee7bd3d86> ("driver:
thermal: Update CX Ipeak driver to support CX Ipeak v1.1 hardware")'
of the msm-4.14 kernel project.

Change-Id: Ib661ebdfe21207f8e119819a870cbb0f459e290c
This commit is contained in:
Manaf Meethalavalappu Pallikunhi 2021-05-24 23:48:52 +05:30
commit cc24cf1999
1 changed files with 53 additions and 0 deletions
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53
bindings/thermal/qcom,cx-ipeak-cdev.txt Normal file
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Qualcomm Technologies, Inc. CX Peak current cooling device
The CX IPEAK cooling device, will be used to set thermal client vote to
CX IPEAK LM hardware. When all pre-defined clients on CX rail including
thermal client set their vote, CXIP LM hardware throttles pre-defined
client on the same rail.
Required Parameters:
- compatible:
Usage: required
Value type: <string>
Definition: should be "qcom,cxip-lm-cooling-device"
- reg:
Usage: required
Value type: <values in hex>
Definition: Must contain 2 variables <a b> where 'a' is the starting
register address of the CX IPEAK LM hardware and 'b' is the
size of the peripheral address space.
- qcom,thermal-client-offset:
Usage: Optional
Value type: <value in hex>
Definition: This property is required for CX IP LM v1.1 and above
hardware. Must contain offset from CX IPEAK LM reg
base for thermal client voting. If this property is not defined,
then CX IPEAK cooling device will use legacy CXIP LM hardware
offset registers.
- qcom,bypass-client-list:
Usage: Optional
Value type: <value in hex>
Definition: This property is required for CX IP LM v1.1 and above
hardware. Must contain array of offsets from CX IPEAK LM reg
base for clients those are not participating voting to CXIP LM
hardware. This property makes sense only when thermal-client
is defined.
- #cooling-cells:
Usage: required
Value type: <integer>
Definition: Must be 2. This is required by of-thermal and refer the doc
<devicetree/bindings/thermal/thermal.txt> for more details.
Example:
cxip_cdev: cxip-cdev@1fed000 {
compatible = "qcom,cxip-lm-cooling-device";
reg = <0x1fed000 0x24>;
qcom,thermal-client-offset = <0x8000>;
qcom,bypass-client-list = <0x2004 0x3004>;
#cooling-cells = <2>;
};