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| author | Jeya R <jeyr@codeaurora.org> | 2022-02-14 19:09:54 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-03-18 16:11:00 +0300 |
| commit | fb42387b2e46cd2b1a5aee9a8c7ffc6eaf2df4eb (patch) | |
| tree | f15053fd3a24ff33d133d4797fe99efa8666ab12 /Documentation/devicetree/bindings/misc | |
| parent | 6c16fd8bdd4058d4a6aaca9d5a7b40e4cb281d5a (diff) | |
| download | linux-fb42387b2e46cd2b1a5aee9a8c7ffc6eaf2df4eb.tar.xz | |
dt-bindings: misc: add property to support non-secure DSP
Add property to set DSP domain as non-secure.
ADSP/MDSP/SDSP are by default secured, where as CDSP can be either be
secured/unsecured.
non-secured Compute DSP would allow users to load unsigned process
and run hexagon instructions, but limiting access to secured hardware
within the DSP.
Based on this flag device nodes for secured and unsecured are created.
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Jeya R <jeyr@codeaurora.org>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20220214161002.6831-5-srinivas.kandagatla@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'Documentation/devicetree/bindings/misc')
| -rw-r--r-- | Documentation/devicetree/bindings/misc/qcom,fastrpc.txt | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/misc/qcom,fastrpc.txt b/Documentation/devicetree/bindings/misc/qcom,fastrpc.txt index 2a1827ab50d2..f9a01e2b4c96 100644 --- a/Documentation/devicetree/bindings/misc/qcom,fastrpc.txt +++ b/Documentation/devicetree/bindings/misc/qcom,fastrpc.txt @@ -17,6 +17,11 @@ other tasks. Definition: should specify the dsp domain name this fastrpc corresponds to. must be one of this: "adsp", "mdsp", "sdsp", "cdsp" +- qcom,non-secure-domain: + Usage: required + Value type: <boolean> + Definition: Property to specify that dsp domain is non-secure. + - #address-cells Usage: required Value type: <u32> |