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Commit 19430fc3 authored by Utkarsh Saxena's avatar Utkarsh Saxena
Browse files

ARM: dts: msm: Add support of IPA for MSM8920 



MSM8920 uses IPA HW to shunt data between
different components like apps, modem and usb.

Make a change in device tree
to enable IPA node for MSM8920.

Change-Id: Ia0cdcffa26633628bc190d68a483a0c5fe3af17f
Acked-by: default avatarMohammed Javid <mjavid@qti.qualcomm.com>
Signed-off-by: default avatarUtkarsh Saxena <usaxena@codeaurora.org>
parent 14f889c8

arch/arm/boot/dts/qcom/msm8920.dtsi

+37 −0
Original line number Diff line number Diff line
@@ -22,3 +22,40 @@ 


	soc: soc { };

};



&soc {

	ipa_hw: qcom,ipa@07900000 {

		compatible = "qcom,ipa";

		reg = <0x07900000 0x4effc>, <0x07904000 0x26934>;

		reg-names = "ipa-base", "bam-base";

		interrupts = <0 228 0>,

				<0 230 0>;

		interrupt-names = "ipa-irq", "bam-irq";

		qcom,ipa-hw-ver = <6>; /* IPA core version = IPAv2.6L */

		qcom,ipa-hw-mode = <0>; /* IPA hw type = Normal */

		qcom,wan-rx-ring-size = <192>; /* IPA WAN-rx-ring-size*/

		qcom,lan-rx-ring-size = <192>; /* IPA LAN-rx-ring-size*/

		clock-names = "core_clk";

		clocks = <&clock_gcc clk_ipa_clk>;

		qcom,ee = <0>;

		qcom,use-ipa-tethering-bridge;

		qcom,modem-cfg-emb-pipe-flt;

		qcom,msm-bus,name = "ipa";

		qcom,msm-bus,num-cases = <3>;

		qcom,msm-bus,num-paths = <1>;

		qcom,msm-bus,vectors-KBps =

		<90 512 0 0>, /* No BIMC vote (ab=0 Mbps, ib=0 Mbps ~ 0MHZ) */

		<90 512 100000 800000>, /* SVS (ab=100, ib=800 ~ 50MHz) */

		<90 512 100000 1200000>; /* PERF (ab=100, ib=1200 ~ 75MHz) */

		qcom,bus-vector-names = "MIN", "SVS", "PERF";

		qcom,rx-polling-sleep-ms = <3>; /* Polling sleep interval */

		qcom,ipa-polling-iteration = <15>;	/* Polling Iteration */

	};



	qcom,rmnet-ipa {

		compatible = "qcom,rmnet-ipa";

		qcom,rmnet-ipa-ssr;

		qcom,ipa-loaduC;

		qcom,ipa-advertise-sg-support;

	};

};