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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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