Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752387AbdLFLXN (ORCPT ); Wed, 6 Dec 2017 06:23:13 -0500 Received: from mail-pl0-f66.google.com ([209.85.160.66]:40367 "EHLO mail-pl0-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752464AbdLFLUr (ORCPT ); Wed, 6 Dec 2017 06:20:47 -0500 X-Google-Smtp-Source: AGs4zMajpdZpWfVJDro0n3KY0TTxMiyyI//KI6c4ihQj7+2qMQl64SQHi0x3k3LSQBBFbPAQtQLJCA== 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 v3 06/12] dt-bindings: Document the Rockchip ISP1 bindings Date: Wed, 6 Dec 2017 19:19:33 +0800 Message-Id: <20171206111939.1153-7-jacob-chen@iotwrt.com> X-Mailer: git-send-email 2.15.0 In-Reply-To: <20171206111939.1153-1-jacob-chen@iotwrt.com> References: <20171206111939.1153-1-jacob-chen@iotwrt.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2458 Lines: 75 From: Jacob Chen Add DT bindings documentation for Rockchip ISP1 Signed-off-by: Jacob Chen --- .../devicetree/bindings/media/rockchip-isp1.txt | 57 ++++++++++++++++++++++ 1 file changed, 57 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..0971ed94ed69 --- /dev/null +++ b/Documentation/devicetree/bindings/media/rockchip-isp1.txt @@ -0,0 +1,57 @@ +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. + +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. + +For sensor with a parallel video bus, it could be linked directly to the isp. +For sensor with a MIPI CSI-2 video bus, it should be linked through the +MIPI-DPHY, which is defined in rockchip-mipi-dphy.txt. + +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>; + }; + }; + }; -- 2.15.0