From mboxrd@z Thu Jan 1 00:00:00 1970 From: 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> References: <20171206111939.1153-1-jacob-chen@iotwrt.com> Return-path: In-Reply-To: <20171206111939.1153-1-jacob-chen-fyOeoxGR3m/QT0dZR+AlfA@public.gmane.org> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: linux-rockchip-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org Cc: linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, mchehab-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, linux-media-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, sakari.ailus-VuQAYsv1563Yd54FQh9/CA@public.gmane.org, hans.verkuil-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org, tfiga-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org, zhengsq-TNX95d0MmH7DzftRWevZcw@public.gmane.org, laurent.pinchart-ryLnwIuWjnjg/C1BVhZhaw@public.gmane.org, zyc-TNX95d0MmH7DzftRWevZcw@public.gmane.org, eddie.cai.linux-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, jeffy.chen-TNX95d0MmH7DzftRWevZcw@public.gmane.org, allon.huang-TNX95d0MmH7DzftRWevZcw@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, heiko-4mtYJXux2i+zQB+pC5nmwQ@public.gmane.org, robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, Joao.Pinto-HKixBCOQz3hWk0Htik3J/w@public.gmane.org, Luis.Oliveira-HKixBCOQz3hWk0Htik3J/w@public.gmane.org, Jose.Abreu-HKixBCOQz3hWk0Htik3J/w@public.gmane.org, Jacob Chen List-Id: devicetree@vger.kernel.org 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 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html