Device Tree bindings for the Camera Adaptation Layer (CAL) driver
Signed-off-by: Benoit Parrot <bparrot@xxxxxx>
---
Documentation/devicetree/bindings/media/ti-cal.txt | 70 ++++++++++++++++++++++
1 file changed, 70 insertions(+)
create mode 100644 Documentation/devicetree/bindings/media/ti-cal.txt
diff --git a/Documentation/devicetree/bindings/media/ti-cal.txt b/Documentation/devicetree/bindings/media/ti-cal.txt
new file mode 100644
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+++ b/Documentation/devicetree/bindings/media/ti-cal.txt
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+Texas Instruments DRA72x CAMERA ADAPTATION LAYER (CAL)
+------------------------------------------------------
+
+The Camera Adaptation Layer (CAL) is a key component for image capture
+applications. The capture module provides the system interface and the
+processing capability to connect CSI2 image-sensor modules to the
+DRA72x device.
+
+Required properties:
+- compatible: must be "ti,cal"
+- reg: physical base address and length of the registers set for the 4
+ memory regions required;
+- reg-names: name associated with the memory regions described is <reg>;
+- interrupts: should contain IRQ line for the CAL;
+
+CAL supports 2 camera port nodes on MIPI bus. Each CSI2 camera port nodes
+should contain a 'port' child node with child 'endpoint' node. Please
+refer to the bindings defined in
+Documentation/devicetree/bindings/media/video-interfaces.txt.
+
+Example:
+ cal: cal@4845b000 {
+ compatible = "ti,cal";
+ ti,hwmods = "cal";
+ reg = <0x4845B000 0x400>,
+ <0x4845B800 0x40>,
+ <0x4845B900 0x40>,
+ <0x4A002e94 0x4>;
+ reg-names = "cal_top",
+ "cal_rx_core0",
+ "cal_rx_core1",
+ "camerrx_control";
+ interrupts = <GIC_SPI 119 IRQ_TYPE_LEVEL_HIGH>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ csi2_0: port@0 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0>;
+ endpoint {
+ slave-mode;
+ remote-endpoint = <&ar0330_1>;
+ };
+ };
+ csi2_1: port@1 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <1>;
+ };
+ };
+
+ i2c5: i2c@4807c000 {
+ ar0330@10 {
+ compatible = "ti,ar0330";
+ reg = <0x10>;
+
+ port {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ ar0330_1: endpoint {
+ reg = <0>;
+ clock-lanes = <1>;
+ data-lanes = <0 2 3 4>;
+ remote-endpoint = <&csi2_0>;
+ };
+ };
+ };
+ };
--
1.8.5.1
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