From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jerry-ch Chen Subject: [RFC PATCH V3 1/3] dt-bindings: mt8183: Added FD dt-bindings Date: Fri, 6 Sep 2019 18:11:23 +0800 Message-ID: <20190906101125.3784-2-Jerry-Ch.chen@mediatek.com> References: <20190906101125.3784-1-Jerry-Ch.chen@mediatek.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20190906101125.3784-1-Jerry-Ch.chen@mediatek.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: hans.verkuil@cisco.com, laurent.pinchart+renesas@ideasonboard.com, tfiga@chromium.org, matthias.bgg@gmail.com, mchehab@kernel.org, lkml@metux.net Cc: devicetree@vger.kernel.org, Sean.Cheng@mediatek.com, Rynn.Wu@mediatek.com, srv_heupstream@mediatek.com, po-yang.huang@mediatek.com, Jerry-ch Chen , jungo.lin@mediatek.com, sj.huang@mediatek.com, yuzhao@chromium.org, linux-mediatek@lists.infradead.org, zwisler@chromium.org, ck.hu@mediatek.com, christie.yu@mediatek.com, frederic.chen@mediatek.com, linux-arm-kernel@lists.infradead.org, linux-media@vger.kernel.org List-Id: linux-mediatek@lists.infradead.org From: Jerry-ch Chen This patch adds DT binding documentation for the Face Detection (FD) unit of the Mediatek's mt8183 SoC. Signed-off-by: Jerry-ch Chen --- .../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..46464175b95a --- /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" +- mediatek,scp : the node of system control processor (SCP), see + Documentation/devicetree/bindings/remoteproc/mtk,scp.txt for details. +- iommus: should point to the 3 entries: M4U_PORT_CAM_FDVT_RP, + M4U_PORT_CAM_FDVT_WR and M4U_PORT_CAM_FDVT_RB. (Please see + Documentation/devicetree/bindings/iommu/mediatek,iommu.txt for details.) +- reg: Physical base address and length of the register space. +- interrupts: interrupt number to the cpu. +- clocks : must contain the FDVT clock, see + Documentation/devicetree/bindings/clock/clock-bindings.txt for details. +- clock-names: must be "fd". +- power-domain: must be "MT8183_POWER_DOMAIN_ISP". + +Example: + fd: fd@1502b000 { + compatible = "mediatek,mt8183-fd"; + 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 = ; + clocks = <&imgsys CLK_IMG_FDVT>; + clock-names = "fd"; + power-domains = <&scpsys MT8183_POWER_DOMAIN_ISP>; + }; -- 2.18.0