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Commit c22d068f authored by Amir Levy's avatar Amir Levy
Browse files

msm: ipa: Fixed IPA documentation 



Fixed several IPA DTS entries documentation.

Change-Id: I40901d5bd1096b1162431d7b8d810bc678543206
Acked-by: default avatarDmitry Kogan <dmitryk@qti.qualcomm.com>
Signed-off-by: default avatarAmir Levy <alevy@codeaurora.org>
parent ff3d7de3

Documentation/devicetree/bindings/platform/msm/ipa.txt

+19 −7
Original line number Diff line number Diff line
@@ -19,10 +19,13 @@ IPA node: 
                   "bam-irq" - string to identify the IPA BAM interrupt.

                   "a2-bam-irq" - string to identify the A2 BAM interrupt.

- qcom,ipa-hw-ver: Specifies the IPA hardware version.

- qcom,ipa-ram-mmap: An array of unsigned integers representing addresses and

                     sizes which are used by the driver to access IPA RAM.



Optional:



- qcom,wan-rx-ring-size: size of WAN rx ring, default is 32

- qcom,wan-rx-ring-size: size of WAN rx ring, default is 192

- qcom,lan-rx-ring-size: size of LAN rx ring, default is 192

- qcom,arm-smmu: SMMU is present and ARM SMMU driver is used

- qcom,msm-smmu: SMMU is present and QSMMU driver is used

- qcom,smmu-s1-bypass: Boolean context flag to set SMMU to S1 bypass
@@ -59,12 +62,12 @@ memory allocation over a PCIe bridge 
- qcom,bandwidth-vote-for-ipa:	Boolean context flag to indicate whether

				ipa clock voting is done by bandwidth

				voting via msm-bus-scale driver or not

- qcom,use-64-bit-dma-mask:     Boolean context flag to indicate whether

                                using 64bit dma mask or not

- qcom,use-dma-zone:            Boolean context flag to indicate whether memory

                                allocations controlled by IPA driver that do not

				specify a struct device * should use GFP_DMA to

				workaround IPA HW limitations

- qcom,use-gsi:                 Boolean context flag to indicate if the

                                transport protocol is GSI

- qcom,use-rg10-limitation-mitigation:	Boolean context flag to activate

					the mitigation to register group 10

					AP access limitation
@@ -123,6 +126,9 @@ IPA SMMU sub nodes 


- qcom,iova-mapping: specifies the start address and size of iova space.



- qcom,additional-mapping: specifies any addtional mapping needed for this

				context bank. The format is <iova pa size>



IPA SMP2P sub nodes



-compatible: "qcom,smp2pgpio-map-ipa-1-out" - represents the out gpio from
@@ -198,18 +204,24 @@ qcom,ipa@fd4c0000 { 


	ipa_smmu_ap: ipa_smmu_ap {

		compatible = "qcom,ipa-smmu-ap-cb";

		iommus = <&anoc2_smmu 0x30>;

		qcom,iova-mapping = <0x10000000 0x40000000>;

		iommus = <&apps_smmu 0x720>;

		qcom,iova-mapping = <0x20000000 0x40000000>;

		qcom,additional-mapping =

		/* modem tables in IMEM */

		<0x146bd000 0x146bd000 0x2000>;

	};



	ipa_smmu_wlan: ipa_smmu_wlan {

		compatible = "qcom,ipa-smmu-wlan-cb";

		iommus = <&anoc2_smmu 0x31>;

		iommus = <&apps_smmu 0x721>;

		qcom,additional-mapping =

		/* ipa-uc ram */

		<0x1e60000 0x1e60000 0x80000>;

	};



	ipa_smmu_uc: ipa_smmu_uc {

		compatible = "qcom,ipa-smmu-uc-cb";

		iommus = <&anoc2_smmu 0x32>;

		iommus = <&apps_smmu 0x722>;

		qcom,iova-mapping = <0x40000000 0x20000000>;

	};

};