diff options
author | Antoine Bouyer <antoine.bouyer@nxp.com> | 2018-02-07 16:12:56 +0100 |
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committer | Leonard Crestez <leonard.crestez@nxp.com> | 2018-08-24 12:41:33 +0300 |
commit | b6e4398a588d25276b6507a813796f8b9c0f08f0 (patch) | |
tree | e0fb88c666ad72dc088e348f83313a81441fa8af /Documentation/devicetree | |
parent | a8a9aea57bdfb1bdf70a86c68ee64e105ac122da (diff) |
Documentation: add fsl-heap and imx-ion-pool docs
Signed-off-by: Antoine Bouyer <antoine.bouyer@nxp.com>
Diffstat (limited to 'Documentation/devicetree')
-rw-r--r-- | Documentation/devicetree/bindings/staging/ion/fsl-heap.txt | 19 | ||||
-rw-r--r-- | Documentation/devicetree/bindings/staging/ion/imx-ion-pool.txt | 17 |
2 files changed, 36 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/staging/ion/fsl-heap.txt b/Documentation/devicetree/bindings/staging/ion/fsl-heap.txt new file mode 100644 index 000000000000..427ba5068842 --- /dev/null +++ b/Documentation/devicetree/bindings/staging/ion/fsl-heap.txt @@ -0,0 +1,19 @@ +Freescale ION unmapped heap for i.MX + +Unmapped heap are used for security purpose, providing secure data +path buffers for video decode and display. + +Required properties +- compatible: + - "fsl,display-heap" for display ion heap + - "fsl,vpu-heap" for vpu decoder ion heap + +Required properties for Ion heaps +- memory-region: one reserved mem region pointer. + +Example: + ion-display-region { + compatible = "fsl,display-heap", "linux,ion-heap-unmapped"; + memory-region = <&display_region>; + }; + diff --git a/Documentation/devicetree/bindings/staging/ion/imx-ion-pool.txt b/Documentation/devicetree/bindings/staging/ion/imx-ion-pool.txt new file mode 100644 index 000000000000..31caca806fa1 --- /dev/null +++ b/Documentation/devicetree/bindings/staging/ion/imx-ion-pool.txt @@ -0,0 +1,17 @@ +Freescale reserved memory regions + +iMX reserved memory pool, being merged into cma region + +Required properties +- compatible: "imx-ion-pool" + +Required properties: + - reg: (standard definition) static memory range + + +Example: + vpu_region: imx_ion@2 { + compatible = "imx-ion-pool"; + reg = <0x0 0xe4000000 0 0x02000000>; + }; + |