1 Renesas Capture Engine Unit (CEU)
2 ----------------------------------------------
4 The Capture Engine Unit is the image capture interface found in the Renesas
5 SH Mobile, R-Mobile and RZ SoCs.
7 The interface supports a single parallel input with data bus width of 8 or 16
11 - compatible: Shall be one of the following values:
12 "renesas,r7s72100-ceu" for CEU units found in RZ/A1H and RZ/A1M SoCs
13 "renesas,r8a7740-ceu" for CEU units found in R-Mobile A1 R8A7740 SoCs
14 - reg: Registers address base and size.
15 - interrupts: The interrupt specifier.
17 The CEU supports a single parallel input and should contain a single 'port'
18 subnode with a single 'endpoint'. Connection to input devices are modeled
19 according to the video interfaces OF bindings specified in:
20 [1] Documentation/devicetree/bindings/media/video-interfaces.txt
22 Optional endpoint properties applicable to parallel input bus described in
23 the above mentioned "video-interfaces.txt" file are supported.
25 - hsync-active: See [1] for description. If property is not present,
26 default is active high.
27 - vsync-active: See [1] for description. If property is not present,
28 default is active high.
29 - bus-width: See [1] for description. Accepted values are '8' and '16'.
30 If property is not present, default is '8'.
31 - field-even-active: See [1] for description. If property is not present,
32 an even field is identified by a logic 0 (active-low signal).
36 The example describes the connection between the Capture Engine Unit and an
37 OV7670 image sensor connected to i2c1 interface.
40 reg = <0xe8210000 0x209c>;
41 compatible = "renesas,r7s72100-ceu";
42 interrupts = <GIC_SPI 332 IRQ_TYPE_LEVEL_HIGH>;
44 pinctrl-names = "default";
45 pinctrl-0 = <&vio_pins>;
51 remote-endpoint = <&ov7670_out>;
60 pinctrl-names = "default";
61 pinctrl-0 = <&i2c1_pins>;
65 clock-frequency = <100000>;
68 compatible = "ovti,ov7670";
71 pinctrl-names = "default";
72 pinctrl-0 = <&vio_pins>;
74 reset-gpios = <&port3 11 GPIO_ACTIVE_LOW>;
75 powerdown-gpios = <&port3 12 GPIO_ACTIVE_HIGH>;
78 ov7670_out: endpoint {
79 remote-endpoint = <&ceu_in>;