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Date: Fri, 24 Nov 2017 10:37:00 +0800 From: Jacob Chen <jacob-chen@...wrt.com> To: linux-rockchip@...ts.infradead.org Cc: linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, mchehab@...nel.org, linux-media@...r.kernel.org, sakari.ailus@...ux.intel.com, hans.verkuil@...co.com, tfiga@...omium.org, zhengsq@...k-chips.com, laurent.pinchart@...asonboard.com, zyc@...k-chips.com, eddie.cai.linux@...il.com, jeffy.chen@...k-chips.com, allon.huang@...k-chips.com, devicetree@...r.kernel.org, heiko@...ech.de, robh+dt@...nel.org, Jacob Chen <jacob2.chen@...k-chips.com> Subject: [PATCH v2 05/11] dt-bindings: Document the Rockchip ISP1 bindings From: Jacob Chen <jacob2.chen@...k-chips.com> Add DT bindings documentation for Rockchip ISP1 Signed-off-by: Jacob Chen <jacob2.chen@...k-chips.com> --- .../devicetree/bindings/media/rockchip-isp1.txt | 61 ++++++++++++++++++++++ 1 file changed, 61 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..5e5b72edcf81 --- /dev/null +++ b/Documentation/devicetree/bindings/media/rockchip-isp1.txt @@ -0,0 +1,61 @@ +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. + +Currently device tree nodes for the Rockchip ISP1 driver includes: +MIPI D-PHY, ISP. + +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. + +Example: +SoC-specific DT entry: + isp0: isp0@...10000 { + compatible = "rockchip,rk3399-cif-isp"; + reg = <0x0 0xff910000 0x0 0x4000>; + interrupts = <GIC_SPI 43 IRQ_TYPE_LEVEL_HIGH 0>; + 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>; + status = "disabled"; + }; + +Board-specific: + isp0: isp0@...10000 { + 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>; + }; + }; + }; + +The MIPI-DPHY device binding is defined in rockchip-mipi-dphy.txt. -- 2.15.0
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