From mboxrd@z Thu Jan 1 00:00:00 1970 From: Xia Jiang Subject: [PATCH v3 1/5] media: dt-bindings: Add jpeg enc device tree node document Date: Tue, 24 Sep 2019 15:43:00 +0800 Message-ID: <20190924074303.22713-2-xia.jiang@mediatek.com> References: <20190924074303.22713-1-xia.jiang@mediatek.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <20190924074303.22713-1-xia.jiang@mediatek.com> Sender: linux-kernel-owner@vger.kernel.org To: Hans Verkuil , Mauro Carvalho Chehab , Rob Herring , Matthias Brugger , Rick Chang Cc: linux-media@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, Marek Szyprowski , Tomasz Figa , srv_heupstream@mediatek.com, Xia Jiang List-Id: linux-mediatek@lists.infradead.org Add jpeg enc device tree node document. Signed-off-by: Xia Jiang --- v3: change compatible to SoC specific compatible v2: no changes --- .../bindings/media/mediatek-jpeg-encoder.txt | 37 +++++++++++++++++++ 1 file changed, 37 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..fa8da699493b --- /dev/null +++ b/Documentation/devicetree/bindings/media/mediatek-jpeg-encoder.txt @@ -0,0 +1,37 @@ +* MediaTek JPEG Encoder + +MediaTek JPEG Encoder is the JPEG encode hardware present in MediaTek SoCs + +Required properties: +- compatible : should be one of: + "mediatek,mt2701-jpgenc" + ... + followed by "mediatek,mtk-jpgenc" +- 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,mt2701-jpgenc", + "mediatek,mtk-jpgenc"; + reg = <0 0x1500a000 0 0x1000>; + interrupts = ; + 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