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Mon, 18 Dec 2017 04:15:39 -0800 (PST) Received: from localhost.localdomain ([103.29.142.67]) by smtp.gmail.com with ESMTPSA id s184sm23828993pfb.9.2017.12.18.04.15.33 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 18 Dec 2017 04:15:38 -0800 (PST) From: Jacob Chen To: linux-rockchip@lists.infradead.org Cc: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, mchehab@kernel.org, linux-media@vger.kernel.org, sakari.ailus@linux.intel.com, hans.verkuil@cisco.com, tfiga@chromium.org, zhengsq@rock-chips.com, laurent.pinchart@ideasonboard.com, zyc@rock-chips.com, eddie.cai.linux@gmail.com, jeffy.chen@rock-chips.com, allon.huang@rock-chips.com, devicetree@vger.kernel.org, heiko@sntech.de, robh+dt@kernel.org, Joao.Pinto@synopsys.com, Luis.Oliveira@synopsys.com, Jose.Abreu@synopsys.com, Jacob Chen Subject: [PATCH v4 10/16] dt-bindings: Document the Rockchip ISP1 bindings Date: Mon, 18 Dec 2017 20:14:39 +0800 Message-Id: <20171218121445.6086-7-jacob-chen@iotwrt.com> X-Mailer: git-send-email 2.15.1 In-Reply-To: <20171218121445.6086-1-jacob-chen@iotwrt.com> References: <20171218121445.6086-1-jacob-chen@iotwrt.com> Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Jacob Chen Add DT bindings documentation for Rockchip ISP1 Signed-off-by: Jacob Chen Reviewed-by: Rob Herring --- .../devicetree/bindings/media/rockchip-isp1.txt | 69 ++++++++++++++++++++++ 1 file changed, 69 insertions(+) create mode 100644 Documentation/devicetree/bindings/media/rockchip-isp1.txt diff --git a/Documentation/devicetree/bindings/media/rockchip-isp1.txt b/Documentation/devicetree/bindings/media/rockchip-isp1.txt new file mode 100644 index 000000000000..4631a4b7c88a --- /dev/null +++ b/Documentation/devicetree/bindings/media/rockchip-isp1.txt @@ -0,0 +1,69 @@ +Rockchip SoC Image Signal Processing unit v1 +---------------------------------------------- + +Rockchip ISP1 is the Camera interface for the Rockchip series of SoCs +which contains image processing, scaling, and compression funcitons. + +Required properties: +- compatible: value should be one of the following + "rockchip,rk3288-cif-isp"; + "rockchip,rk3399-cif-isp"; +- reg : offset and length of the register set for the device. +- interrupts: should contain ISP interrupt. +- clocks: phandle to the required clocks. +- clock-names: required clock name. +- iommus: required a iommu node. + +port node +------------------- + +The device node should contain one 'port' child node with child 'endpoint' +nodes, according to the bindings defined in Documentation/devicetree/bindings/ +media/video-interfaces.txt. + +- endpoint(parallel): + - remote-endpoint: Connecting to a sensor with a parallel video bus. + - parallel_bus properties: Refer to Documentation/devicetree/bindings/ + media/video-interfaces.txt. +- endpoint(mipi): + - remote-endpoint: Connecting to Rockchip MIPI-DPHY, + which is defined in rockchip-mipi-dphy.txt. + +The port node must contain at least one endpoint, either parallel or mipi. +It could have multiple endpoints, but please note the hardware don't support +two sensors work at a time, they are supposed to work asynchronously. + +Device node example +------------------- + + isp0: isp0@ff910000 { + compatible = "rockchip,rk3399-cif-isp"; + reg = <0x0 0xff910000 0x0 0x4000>; + interrupts = ; + clocks = <&cru SCLK_ISP0>, + <&cru ACLK_ISP0>, <&cru ACLK_ISP0_WRAPPER>, + <&cru HCLK_ISP0>, <&cru HCLK_ISP0_WRAPPER>; + clock-names = "clk_isp", + "aclk_isp", "aclk_isp_wrap", + "hclk_isp", "hclk_isp_wrap"; + power-domains = <&power RK3399_PD_ISP0>; + iommus = <&isp0_mmu>; + + port { + #address-cells = <1>; + #size-cells = <0>; + + /* mipi */ + isp0_mipi_in: endpoint@0 { + reg = <0>; + remote-endpoint = <&dphy_rx0_out>; + }; + + /* parallel */ + isp0_parallel_in: endpoint@1 { + reg = <1>; + remote-endpoint = <&ov5640_out>; + bus-width = <8>; + }; + }; + };