On Sun, Nov 15, 2015 at 05:53:48PM -0600, Benoit Parrot wrote:
> Device Tree bindings for the Camera Adaptation Layer (CAL) driver
Bindings are for h/w blocks, not drivers...
>
> 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
> index 000000000000..680efadb6208
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/media/ti-cal.txt
> @@ -0,0 +1,70 @@
> +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"
Needs to be more specific.
> +- reg: physical base address and length of the registers set for the 4
> + memory regions required;
Please list what the 4 regions are.
> +- reg-names: name associated with the memory regions described is <reg>;
Please list the names.
> +- 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 {
Multiple ports should be under a ports node.
> + #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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