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Commit 01d081d3 authored by Neeraj Soni's avatar Neeraj Soni
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Documentation: bindings: Add description for ICE instance 



Add reference for instance to support HW encryption
for external card.

Change-Id: I4abce7c33433236e4278fd7ee9aaffd30cbfa55a
Signed-off-by: default avatarNeeraj Soni <neersoni@codeaurora.org>
parent 099e9fc7

Documentation/devicetree/bindings/crypto/msm/ice.txt

+39 −10
Original line number Diff line number Diff line
@@ -15,6 +15,12 @@ Optional properties: 
                          	  property.

  - qcom,instance-type  	: describe the storage type for which ICE node is defined

			 	  currently, only "ufs" and "sdcc" are supported storage type

  - vdd-hba-supply		: regulated supply to be used by ICE HW

  - qcom,msm-bus,name		: bus for ICE transactions

  - qcom,msm-bus,num-cases	: bus case mapping for ICE HW

  - qcom,msm-bus,num-paths	: bus path mapping for iCE HW

  - qcom,msm-bus,vectors-KBps	: bus bandwidth to be voted

  - qcom,bus-vector-names	: bus vectors mapping



Example:

        ufs_ice: ufsice@630000 {
@@ -30,3 +36,26 @@ Example: 
		qcom,instance-type = "ufs";

                status = "disabled";

        };



	ufs_card_ice: ufscardice@1db0000 {

		compatible = "qcom,ice_card";

		reg = <0x1db0000 0x8000>;

		qcom,enable-ice-clk;

		clock-names = "ufs_core_clk", "bus_clk",

			      "iface_clk", "ice_core_clk";

		clocks = <&clock_gcc GCC_UFS_CARD_AXI_CLK>,

			 <&clock_gcc GCC_UFS_CARD_CLKREF_CLK>,

			 <&clock_gcc GCC_UFS_CARD_AHB_CLK>,

			 <&clock_gcc GCC_UFS_CARD_ICE_CORE_CLK>;

		qcom,op-freq-hz = <0>, <0>, <0>, <300000000>;

		vdd-hba-supply = <&ufs_card_gdsc>;

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

		qcom,msm-bus,num-cases = <2>;

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

		qcom,msm-bus,vectors-KBps =

				<1 650 0 0>,    /* No vote */

				<1 650 1000 0>; /* Max. bandwidth */

		qcom,bus-vector-names = "MIN",

					"MAX";

		qcom,instance-type = "ufs_card";

	};