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Wed, 18 Dec 2019 21:50:08 -0800 Received: from MTKMBS01N2.mediatek.inc (172.21.101.79) by MTKMBS62N2.mediatek.inc (172.29.193.42) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Wed, 18 Dec 2019 21:50:21 -0800 Received: from mtkcas08.mediatek.inc (172.21.101.126) by mtkmbs01n2.mediatek.inc (172.21.101.79) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Thu, 19 Dec 2019 13:49:31 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkcas08.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Thu, 19 Dec 2019 13:50:08 +0800 From: Jungo Lin To: , , , , Subject: [v6, 1/5] media: dt-bindings: mt8183: Added camera ISP Pass 1 Date: Thu, 19 Dec 2019 13:49:26 +0800 Message-ID: <20191219054930.29513-2-jungo.lin@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20191219054930.29513-1-jungo.lin@mediatek.com> References: <20191219054930.29513-1-jungo.lin@mediatek.com> MIME-Version: 1.0 X-TM-SNTS-SMTP: 3424BFE6CB592FD6D869534D12E758F930287C42C4EAF56ABF1438AC5279C5E72000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191218_215015_054858_87F7FE97 X-CRM114-Status: GOOD ( 10.79 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: Jungo Lin Cc: shik@chromium.org, devicetree@vger.kernel.org, Sean.Cheng@mediatek.com, suleiman@chromium.org, Rynn.Wu@mediatek.com, srv_heupstream@mediatek.com, robh@kernel.org, ryan.yu@mediatek.com, Jerry-ch.Chen@mediatek.com, frankie.chiu@mediatek.com, jungo.lin@mediatek.com, sj.huang@mediatek.com, yuzhao@chromium.org, linux-mediatek@lists.infradead.org, zwisler@chromium.org, ddavenport@chromium.org, frederic.chen@mediatek.com, linux-arm-kernel@lists.infradead.org, linux-media@vger.kernel.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org This patch adds DT binding document for the Pass 1 (P1) unit in Mediatek's camera ISP system. The Pass 1 unit grabs the sensor data out from the sensor interface, applies ISP image effects from tuning data and outputs the image data or statistics data to DRAM. Reviewed-by: Rob Herring Signed-off-by: Jungo Lin --- Changes from v6: - Add port node description in the dt-binding document. --- .../bindings/media/mediatek,camisp.txt | 83 +++++++++++++++++++ 1 file changed, 83 insertions(+) create mode 100644 Documentation/devicetree/bindings/media/mediatek,camisp.txt diff --git a/Documentation/devicetree/bindings/media/mediatek,camisp.txt b/Documentation/devicetree/bindings/media/mediatek,camisp.txt new file mode 100644 index 000000000000..a85f37c0b87d --- /dev/null +++ b/Documentation/devicetree/bindings/media/mediatek,camisp.txt @@ -0,0 +1,83 @@ +* Mediatek Image Signal Processor Pass 1 (ISP P1) + +The Pass 1 unit of Mediatek's camera ISP system grabs the sensor data out +from the sensor interface, applies ISP effects from tuning data and outputs +the image data and statistics data to DRAM. Furthermore, Pass 1 unit has +the ability to output two different resolutions frames at the same time to +increase the performance of the camera application. + +Required properties: +- compatible: Must be "mediatek,mt8183-camisp" for MT8183. +- reg: Physical base address of the camera function block register and + length of memory mapped region. Must contain an entry for each entry + in reg-names. +- reg-names: Must include the following entries: + "cam_sys": Camera base function block + "cam_uni": Camera UNI function block + "cam_a": Camera ISP P1 hardware unit A + "cam_b": Camera ISP P1 hardware unit B + "cam_c": Camera ISP P1 hardware unit C +- interrupts: Must contain an entry for each entry in interrupt-names. +- interrupt-names : Must include the following entries: + "cam_uni": Camera UNI interrupt + "cam_a": Camera unit A interrupt + "cam_b": Camera unit B interrupt + "cam_c": Camera unit C interrupt +- iommus: Shall point to the respective IOMMU block with master port + as argument, see Documentation/devicetree/bindings/iommu/mediatek,iommu.txt + for details. +- clocks: A list of phandle and clock specifier pairs as listed + in clock-names property, see + Documentation/devicetree/bindings/clock/clock-bindings.txt for details. +- clock-names: Must be "camsys_cam_cgpdn" and "camsys_camtg_cgpdn". +- mediatek,larb: Must contain the local arbiters in the current SoCs, see + Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.txt + for details. +- power-domains: a phandle to the power domain, see + Documentation/devicetree/bindings/power/power_domain.txt for details. +- mediatek,scp: The node of system control processor (SCP), see + Documentation/devicetree/bindings/remoteproc/mtk,scp.txt for details. +- port: child port node corresponding to the data input, in accordance with + the video interface bindings defined in + Documentation/devicetree/bindings/media/video-interfaces.txt. The port + node must contain at least one endpoint. + +Example: +SoC specific DT entry: + + camisp: camisp@1a000000 { + compatible = "mediatek,mt8183-camisp"; + reg = <0 0x1a000000 0 0x1000>, + <0 0x1a003000 0 0x1000>, + <0 0x1a004000 0 0x2000>, + <0 0x1a006000 0 0x2000>, + <0 0x1a008000 0 0x2000>; + reg-names = "cam_sys", + "cam_uni", + "cam_a", + "cam_b", + "cam_c"; + interrupts = , + , + , + ; + interrupt-names = "cam_uni", + "cam_a", + "cam_b", + "cam_c"; + iommus = <&iommu M4U_PORT_CAM_IMGO>; + clocks = <&camsys CLK_CAM_CAM>, + <&camsys CLK_CAM_CAMTG>; + clock-names = "camsys_cam_cgpdn", + "camsys_camtg_cgpdn"; + mediatek,larb = <&larb3>, + <&larb6>; + power-domains = <&scpsys MT8183_POWER_DOMAIN_CAM>; + mediatek,scp = <&scp>; + + port { + camisp_endpoint: endpoint { + remote-endpoint = <&seninf_camisp_endpoint>; + }; + }; + }; -- 2.18.0 _______________________________________________ Linux-mediatek mailing list Linux-mediatek@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-mediatek