This patch adds a shared memory region used on mt8183 for exchanging tuning data between co-processor and the Pass 1 unit of the camera ISP system. Signed-off-by: Jungo Lin <jungo.lin@xxxxxxxxxxxx> --- arch/arm64/boot/dts/mediatek/mt8183.dtsi | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/arch/arm64/boot/dts/mediatek/mt8183.dtsi b/arch/arm64/boot/dts/mediatek/mt8183.dtsi index 75c4881bbe5e..d5d83a05f8a1 100644 --- a/arch/arm64/boot/dts/mediatek/mt8183.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt8183.dtsi @@ -133,6 +133,19 @@ clock-output-names = "clk26m"; }; + reserved-memory { + #address-cells = <2>; + #size-cells = <2>; + ranges; + cam_mem_reserved: cam_mem_region { + compatible = "mediatek,reserve-memory-cam-smem"; + no-map; + size = <0 0x01400000>; /* 20 MB share mem size */ + alignment = <0 0x1000>; + alloc-ranges = <0 0x40000000 0 0x10000000>; + }; + }; + timer { compatible = "arm,armv8-timer"; interrupt-parent = <&gic>; -- 2.18.0