On 2 August 2013 20:32, Arun Kumar K <[email protected]> wrote:
> From: Shaik Ameer Basha <[email protected]>
>
> This patch adds support for media device for EXYNOS5 SoCs.
> The current media device supports the following ips to connect
> through the media controller framework.
>
> * MIPI-CSIS
> Support interconnection(subdev interface) between devices
>
> * FIMC-LITE
> Support capture interface from device(Sensor, MIPI-CSIS) to memory
> Support interconnection(subdev interface) between devices
>
> * FIMC-IS
> Camera post-processing IP having multiple sub-nodes.
>
> G-Scaler will be added later to the current media device.
>
> The media device creates two kinds of pipelines for connecting
> the above mentioned IPs.
> The pipeline0 is uses Sensor, MIPI-CSIS and FIMC-LITE which captures
> image data and dumps to memory.
> Pipeline1 uses FIMC-IS components for doing post-processing
> operations on the captured image and give scaled YUV output.
>
> Pipeline0
> +--------+ +-----------+ +-----------+ +--------+
> | Sensor | --> | MIPI-CSIS | --> | FIMC-LITE | --> | Memory |
> +--------+ +-----------+ +-----------+ +--------+
>
> Pipeline1
> +--------+ +--------+ +-----------+ +-----------+
> | Memory | --> | ISP | --> | SCC | --> | SCP |
> +--------+ +--------+ +-----------+ +-----------+
>
> Signed-off-by: Shaik Ameer Basha <[email protected]>
> Signed-off-by: Arun Kumar K <[email protected]>
[snip]
> +
> +Common 'camera' node
> +--------------------
> +
> +Required properties:
> +
> +- compatible : must be "samsung,exynos5-fimc", "simple-bus"
I am not sure if this point was discusssed during the previous
versions. "samsung,exynos5-fimc" seems a bit generic.
The compatible string should generally point to a specific SoC (the
first one to have this IP), something like "samsung,exynos5250-fimc".
> +- clocks : list of clock specifiers, corresponding to entries in
> + the clock-names property;
> +- clock-names : must contain "sclk_cam0", "sclk_cam1" entries,
> + matching entries in the clocks property.
> +
[snip]
> +Example:
> +
> + aliases {
> + fimc-lite0 = &fimc_lite_0
> + };
> +
> + /* Parallel bus IF sensor */
> + i2c_0: i2c@13860000 {
> + s5k6aa: sensor@3c {
> + compatible = "samsung,s5k6aafx";
> + reg = <0x3c>;
> + vddio-supply = <...>;
> +
> + clock-frequency = <24000000>;
> + clocks = <...>;
> + clock-names = "mclk";
> +
> + port {
> + s5k6aa_ep: endpoint {
> + remote-endpoint = <&fimc0_ep>;
> + bus-width = <8>;
> + hsync-active = <0>;
> + vsync-active = <1>;
> + pclk-sample = <1>;
> + };
> + };
> + };
> + };
> +
> + /* MIPI CSI-2 bus IF sensor */
> + s5c73m3: sensor@0x1a {
0x not needed.
--
With warm regards,
Sachin
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