From: Jerry-ch Chen <[email protected]> This patch adds DT binding documentation for the Face Detection (FD) unit of the camera system on Mediatek's SoCs.
Signed-off-by: Jerry-ch Chen <[email protected]> --- .../bindings/media/mediatek,mt8183-fd.txt | 34 +++++++++++++++++++ 1 file changed, 34 insertions(+) create mode 100644 Documentation/devicetree/bindings/media/mediatek,mt8183-fd.txt diff --git a/Documentation/devicetree/bindings/media/mediatek,mt8183-fd.txt b/Documentation/devicetree/bindings/media/mediatek,mt8183-fd.txt new file mode 100644 index 000000000000..97c12fd93e7e --- /dev/null +++ b/Documentation/devicetree/bindings/media/mediatek,mt8183-fd.txt @@ -0,0 +1,34 @@ +* Mediatek Face Detection Unit (FD) + +Face Detection (FD) unit is a typical memory-to-memory HW device. +It provides hardware accelerated face detection function, and it +is able to detect different poses of faces. FD will writre result +of detected face into memory as output. + +Required properties: +- compatible: "mediatek,mt8183-fd" +- reg: Physical base address and length of the function block register space +- interrupts: interrupt number to the cpu. +- iommus: should point to the respective IOMMU block with master port as + argument, see Documentation/devicetree/bindings/iommu/mediatek,iommu.txt + for details. +- mediatek,larb: must contain the local arbiters in the current Socs, see + Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.txt + for details. +- clocks : must contain the FDVT clock +- clock-names: must contain FD_CLK_IMG_FD + +Example: + fd:fd@1502b000 { + compatible = "mediatek,mt8183-fd"; + mediatek,larb = <&larb5>; + mediatek,scp = <&scp>; + iommus = <&iommu M4U_PORT_CAM_FDVT_RP>, + <&iommu M4U_PORT_CAM_FDVT_WR>, + <&iommu M4U_PORT_CAM_FDVT_RB>; + reg = <0 0x1502b000 0 0x1000>; + interrupts = <GIC_SPI 269 IRQ_TYPE_LEVEL_LOW>; + clocks = <&imgsys CLK_IMG_FDVT>; + clock-names = "FD_CLK_IMG_FD"; + }; + -- 2.18.0
