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Commit e626afdf authored by Rajeshwar Kurapaty's avatar Rajeshwar Kurapaty
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ARM: dts: msm: Add secure display heap configuration for Scuba 

Add secure display heap configuration to enable secure memory
allocations for secure display/camera usecases.

Change-Id: I5f9521c19bab48c0a5789d3b6cd79fb04d13a853
parent d5cd9521

qcom/scuba-ion.dtsi

+6 −0
Original line number Diff line number Diff line
@@ -13,5 +13,11 @@ 
			reg = <9>;

			qcom,ion-heap-type = "SYSTEM_SECURE";

		};



		qcom,ion-heap@10 { /* SECURE DISPLAY HEAP */

			reg = <10>;

			memory-region = <&secure_display_memory>;

			qcom,ion-heap-type = "HYP_CMA";

		};

	};

};

qcom/scuba.dtsi

+8 −0
Original line number Diff line number Diff line
@@ -244,6 +244,14 @@ 
			size = <0 0x800000>;

		};



		secure_display_memory: secure_display_region {

			compatible = "shared-dma-pool";

			alloc-ranges = <0 0x00000000 0 0xffffffff>;

			reusable;

			alignment = <0 0x400000>;

			size = <0 0x5c00000>;

		};



		/* global autoconfigured region for contiguous allocations */

		linux,cma {

			compatible = "shared-dma-pool";