Adds example test entry to create and expose a dummy "camera" cma region via the dmabuf heaps interface
This isn't a patch I'm submitting to merge, but just an example of how this functionality can be used, which I've used for testing. Cc: Rob Herring <[email protected]> Cc: Sumit Semwal <[email protected]> Cc: "Andrew F. Davis" <[email protected]> Cc: Benjamin Gaignard <[email protected]> Cc: Liam Mark <[email protected]> Cc: Pratik Patel <[email protected]> Cc: Laura Abbott <[email protected]> Cc: Brian Starkey <[email protected]> Cc: Chenbo Feng <[email protected]> Cc: Alistair Strachan <[email protected]> Cc: Sandeep Patil <[email protected]> Cc: Hridya Valsaraju <[email protected]> Cc: Christoph Hellwig <[email protected]> Cc: Marek Szyprowski <[email protected]> Cc: Robin Murphy <[email protected]> Cc: Andrew Morton <[email protected]> Cc: [email protected] Cc: [email protected] Cc: [email protected] Signed-off-by: John Stultz <[email protected]> --- arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts b/arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts index c0a6aad9593f..5eef1a76d51a 100644 --- a/arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts +++ b/arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts @@ -81,6 +81,13 @@ reusable; linux,cma-default; }; + + cma_camera: cma-camera { + compatible = "shared-dma-pool"; + reg = <0x0 0x24C00000 0x0 0x4000000>; + reusable; + linux,cma-heap; + }; }; reboot-mode-syscon@32100000 { -- 2.17.1
