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bindings: arm: msm: Added documentation for ipc spinlock

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This adds bindings for ipc-spinlock.

Change-Id: I2543ac6d8a61d9bc06c12f4c76284aaa1500e2b0
This commit is contained in:
Tushar Nimkar 2021-03-10 19:57:22 +05:30
commit 801270cc12
1 changed files with 27 additions and 0 deletions
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bindings/arm/msm/ipc-spinlock.txt Normal file
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Interprocessor Communication Spinlock
--Dedicated Hardware Implementation--
Required properties:
- compatible : should be "qcom,ipc-spinlock-sfpb"
- reg : the location and size of the spinlock hardware
- qcom,num-locks : the number of locks supported
Example:
qcom,ipc-spinlock@fd484000 {
compatible = "qcom,ipc-spinlock-sfpb";
reg = <0xfd484000 0x1000>;
qcom,num-locks = <32>;
};
--LDREX Implementation--
Required properties:
- compatible : should be "qcom,ipc-spinlock-ldrex"
- reg : the location and size of the shared lock memory
Example:
qcom,ipc-spinlock@fa00000 {
compatible = "qcom,ipc-spinlock-ldrex";
reg = <0xfa00000 0x200000>;
};