On Wed, Jul 17, 2019 at 05:30:30PM +0800, Xia Jiang wrote:
> add JPEG ENC device tree node document
>
> Change-Id: I9f0a8aec7eced20c88acbc88d6ff179763f91246
Run checkpatch.pl. (Remove this)
> Signed-off-by: Xia Jiang <xia.jiang@xxxxxxxxxxxx>
> ---
> .../bindings/media/mediatek-jpeg-encoder.txt | 33 +++++++++++++++++++
> 1 file changed, 33 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/media/mediatek-jpeg-encoder.txt
>
> diff --git a/Documentation/devicetree/bindings/media/mediatek-jpeg-encoder.txt b/Documentation/devicetree/bindings/media/mediatek-jpeg-encoder.txt
> new file mode 100644
> index 000000000000..1231fedb70bc
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/media/mediatek-jpeg-encoder.txt
> @@ -0,0 +1,33 @@
> +* MediaTek JPEG Encoder
> +
> +MediaTek JPEG Encoder is the JPEG encode hardware present in MediaTek SoCs
> +
> +Required properties:
> +- compatible : must be "mediatek,mtk-jpgenc"
Needs an SoC specific compatible.
> +- reg : physical base address of the JPEG encoder registers and length of
> + memory mapped region.
> +- interrupts : interrupt number to the interrupt controller.
> +- clocks: device clocks, see
> + Documentation/devicetree/bindings/clock/clock-bindings.txt for details.
> +- clock-names: must contain "jpgenc". It is the clock of JPEG encoder.
> +- power-domains: a phandle to the power domain, see
> + Documentation/devicetree/bindings/power/power_domain.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.
> +- iommus: should point to the respective IOMMU block with master port as
> + argument, see Documentation/devicetree/bindings/iommu/mediatek,iommu.txt
> + for details.
> +
> +Example:
> + jpegenc: jpegenc@1500a000 {
> + compatible = "mediatek,mtk-jpgenc";
> + reg = <0 0x1500a000 0 0x1000>;
> + interrupts = <GIC_SPI 141 IRQ_TYPE_LEVEL_LOW>;
> + clocks = <&imgsys CLK_IMG_VENC>;
> + clock-names = "jpgenc";
> + power-domains = <&scpsys MT2701_POWER_DOMAIN_ISP>;
> + mediatek,larb = <&larb2>;
> + iommus = <&iommu MT2701_M4U_PORT_JPGENC_RDMA>,
> + <&iommu MT2701_M4U_PORT_JPGENC_BSDMA>;
> + };
> --
> 2.18.0
>
