Re: [PATCH v10 1/2] [media] exynos5-is: Adds DT binding documentation

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On Mon, Feb 03, 2014 at 10:13:55AM +0000, Arun Kumar K wrote:
> Hi Mark,

Hi Arun,

> 
> This patch and hence a full series of 13 patches is waiting for a long time now
> due to your missing ack on this DT binding patch.
> I have addressed your review comments given on earlier version -
> http://www.spinics.net/lists/devicetree/msg11550.html
> 
> Please check this and give an ack if it is fine to be merged.

Apologies for the delay.

As far as I can tell this looks ok:

Acked-by: Mark Rutland <mark.rutland@xxxxxxx>

> 
> Regards
> Arun
> 
> On Fri, Dec 13, 2013 at 10:42 AM, Arun Kumar K <arun.kk@xxxxxxxxxxx> wrote:
> > From: Shaik Ameer Basha <shaik.ameer@xxxxxxxxxxx>
> >
> > The patch adds the DT binding doc for exynos5 SoC camera
> > subsystem.
> >
> > Signed-off-by: Shaik Ameer Basha <shaik.ameer@xxxxxxxxxxx>
> > Signed-off-by: Arun Kumar K <arun.kk@xxxxxxxxxxx>
> > ---
> >  .../bindings/media/exynos5250-camera.txt           |  136 ++++++++++++++++++++
> >  1 file changed, 136 insertions(+)
> >  create mode 100644 Documentation/devicetree/bindings/media/exynos5250-camera.txt
> >
> > diff --git a/Documentation/devicetree/bindings/media/exynos5250-camera.txt b/Documentation/devicetree/bindings/media/exynos5250-camera.txt
> > new file mode 100644
> > index 0000000..0c36bc4
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/media/exynos5250-camera.txt
> > @@ -0,0 +1,136 @@
> > +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 phandles and 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
> > +
> > +Required properties:
> > +
> > +For describing the input type in the child nodes, the following properties
> > +have to be present in the parallel-ports node:
> > +- #address-cells: Must be 1
> > +- #size-cells: Must be 0
> > +
> > +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 {
> > +                       #address-cells = <1>;
> > +                       #size-cells = <0>;
> > +
> > +                       /* camera A input */
> > +                       port@1 {
> > +                               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.
> > --
> > 1.7.9.5
> >
> 
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