5c1b2eea72
git-subtree-dir: qcom/data git-subtree-mainline:3c51dd18f2git-subtree-split:cd0a03556c
24 lines
769 B
Plaintext
24 lines
769 B
Plaintext
* Qualcomm Technologies, Inc. IPA MHI Prime Manager driver module
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This module enables IPA Modem to IPA APQ communication using
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MHI Prime.
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Required properties:
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- compatible: Must be "qcom,ipa-mpm"
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- qcom,mhi-chdb-base: MHI channel doorbell base address in MMIO space.
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- qcom,mhi-erdb-base: MHI event doorbell base address in MMIO space.
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Optional:
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- qcom,iova-mapping: Start address and size of the carved IOVA space
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dedicated for MHI control structures
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(such as transfer rings, event rings, doorbells).
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If not present, SMMU S1 is considered to be in bypass mode.
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Example:
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ipa_mpm: qcom,ipa-mpm {
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compatible = "qcom,ipa-mpm";
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qcom,mhi-chdb-base = <0x40300300>;
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qcom,mhi-erdb-base = <0x40300700>;
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qcom,iova-mapping = <0x10000000 0x1FFFFFFF>;
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}
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