Hi Sylwester,
On Tue, Aug 20, 2013 at 5:29 PM, Sylwester Nawrocki
<s.nawrocki@xxxxxxxxxxx> wrote:
> Cc: Pawel, Kumar
>
> On 08/16/2013 11:20 AM, Arun Kumar K wrote:
>> From: Shaik Ameer Basha <shaik.ameer@xxxxxxxxxxx>
>>
>> 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 <shaik.ameer@xxxxxxxxxxx>
>> Signed-off-by: Arun Kumar K <arun.kk@xxxxxxxxxxx>
>> ---
>> .../devicetree/bindings/media/exynos5-mdev.txt | 126 ++
>> drivers/media/platform/exynos5-is/exynos5-mdev.c | 1210 ++++++++++++++++++++
>> drivers/media/platform/exynos5-is/exynos5-mdev.h | 126 ++
>> 3 files changed, 1462 insertions(+)
>> create mode 100644 Documentation/devicetree/bindings/media/exynos5-mdev.txt
>> create mode 100644 drivers/media/platform/exynos5-is/exynos5-mdev.c
>> create mode 100644 drivers/media/platform/exynos5-is/exynos5-mdev.h
>>
>> diff --git a/Documentation/devicetree/bindings/media/exynos5-mdev.txt b/Documentation/devicetree/bindings/media/exynos5-mdev.txt
>> new file mode 100644
>> index 0000000..b1299e2
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/media/exynos5-mdev.txt
>
> Sorry, I missed this previously. How about renaming this file to something
> more specific to the subsystem it describes, e.g. exynos5250-camera.txt ?
>
>> @@ -0,0 +1,126 @@
>> +Samsung EXYNOS5 SoC Camera Subsystem
>> +------------------------------------
>> +
>> +The Exynos5 SoC Camera subsystem comprises of multiple sub-devices
>> +represented by separate device tree nodes. Currently this includes: FIMC-LITE,
>> +MIPI CSIS and FIMC-IS.
>> +
>> +The sub-device nodes are referenced using phandles in the common 'camera' node
>> +which also includes common properties of the whole subsystem not really
>> +specific to any single sub-device, like common camera port pins or the common
>> +camera bus clocks.
>> +
>> +Common 'camera' node
>> +--------------------
>> +
>> +Required properties:
>> +
>> +- compatible : must be "samsung,exynos5250-fimc"
>> +- clocks : list of clock specifiers, corresponding to entries in
>> + the clock-names property;
>> +- clock-names : must contain "sclk_bayer" entry
>> +- samsung,csis : list of phandles to the mipi-csis device nodes
>> +- samsung,fimc-lite : list of phandles to the fimc-lite device nodes
>> +- samsung,fimc-is : phandle to the fimc-is device node
>> +
>> +The pinctrl bindings defined in ../pinctrl/pinctrl-bindings.txt must be used
>> +to define a required pinctrl state named "default".
>> +
>> +'parallel-ports' node
>> +---------------------
>> +
>> +This node should contain child 'port' nodes specifying active parallel video
>> +input ports. It includes camera A, camera B and RGB bay inputs.
>> +'reg' property in the port nodes specifies the input type:
>> + 1 - parallel camport A
>> + 2 - parallel camport B
>> + 5 - RGB camera bay
>> +
>> +3, 4 are for MIPI CSI-2 bus and are already described in samsung-mipi-csis.txt
>> +
>> +Image sensor nodes
>> +------------------
>> +
>> +The sensor device nodes should be added to their control bus controller (e.g.
>> +I2C0) nodes and linked to a port node in the csis or the parallel-ports node,
>> +using the common video interfaces bindings, defined in video-interfaces.txt.
>> +
>> +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@1a {
>> + compatible = "samsung,s5c73m3";
>> + reg = <0x1a>;
>> + vddio-supply = <...>;
>> +
>> + clock-frequency = <24000000>;
>> + clocks = <...>;
>> + clock-names = "mclk";
>> +
>> + port {
>> + s5c73m3_1: endpoint {
>> + data-lanes = <1 2 3 4>;
>> + remote-endpoint = <&csis0_ep>;
>> + };
>> + };
>> + };
>> +
>> + camera {
>> + compatible = "samsung,exynos5250-fimc";
>> + #address-cells = <1>;
>> + #size-cells = <1>;
>> + status = "okay";
>> +
>> + pinctrl-names = "default";
>> + pinctrl-0 = <&cam_port_a_clk_active>;
>> +
>> + samsung,csis = <&csis_0>, <&csis_1>;
>> + samsung,fimc-lite = <&fimc_lite_0>, <&fimc_lite_1>, <&fimc_lite_2>;
>> + samsung,fimc-is = <&fimc_is>;
>> +
>> + /* parallel camera ports */
>> + parallel-ports {
>> + /* camera A input */
>> + port@0 {
>
> This should be port@1
>
>> + reg = <0>;
>
> and reg = <1>;
>
>> + camport_a_ep: endpoint {
>> + remote-endpoint = <&s5k6aa_ep>;
>> + bus-width = <8>;
>> + hsync-active = <0>;
>> + vsync-active = <1>;
>> + pclk-sample = <1>;
>> + };
>> + };
>> + };
>> + };
>> +
>> +MIPI-CSIS device binding is defined in samsung-mipi-csis.txt, FIMC-LITE
>> +device binding is defined in exynos-fimc-lite.txt and FIMC-IS binding
>> +is defined in exynos5-fimc-is.txt.
>
> Otherwise looks good to me. I think we now need an Ack from the DT
> maintainers. If they are OK with the binding I could queue this whole
> series for v3.12 this week, once you resend patches #1, #2.
>
Will resend the patch series with your comments incorporated.
Regards
Arun
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