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ARM: dts: msm: Add secure display heap configuration for Shima

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

Change-Id: Ida23c7b5eff4ab6c0e2f905148ac8147ce600d3b
This commit is contained in:
Rajeshwar Kurapaty 2020-05-19 21:37:51 +05:30
commit 88b59f6ab5
2 changed files with 13 additions and 0 deletions
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5
qcom/shima-ion.dtsi
View file

@ -16,5 +16,10 @@
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";
};
};
};

8
qcom/shima.dtsi
View file

@ -302,6 +302,14 @@
reg = <0x0 0xd0000000 0x0 0xa600000>;
};
secure_display_memory: secure_display_region {
compatible = "shared-dma-pool";
alloc-ranges = <0 0x00000000 0 0xffffffff>;
reusable;
alignment = <0 0x400000>;
size = <0 0xA000000>;
};
/* global autoconfigured region for contiguous allocations */
linux,cma {
compatible = "shared-dma-pool";