diff mbox

[v2,07/10,media] tvp5150: Add device tree binding document

Message ID 1452170810-32346-8-git-send-email-javier@osg.samsung.com (mailing list archive)
State New, archived
Headers show

Commit Message

Javier Martinez Canillas Jan. 7, 2016, 12:46 p.m. UTC 
Add a Device Tree binding document for the TVP5150 video decoder.

Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

---

Changes in v2:
- Fix indentation of the DTS example. Suggested by Rob Herring.
- Rename powerdown-gpios to pdn-gpios to match the pin name in
  the datasheet. Suggested by Laurent Pinchart.
- Add optional properties for the video endpoint and list the supported
  values. Suggested by Laurent Pinchart.

 .../devicetree/bindings/media/i2c/tvp5150.txt      | 45 ++++++++++++++++++++++
 1 file changed, 45 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/media/i2c/tvp5150.txt

Comments

Rob Herring (Arm) Jan. 9, 2016, 10:24 p.m. UTC | #1 
On Thu, Jan 07, 2016 at 09:46:47AM -0300, Javier Martinez Canillas wrote:
> Add a Device Tree binding document for the TVP5150 video decoder.
> 
> Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
> 
> ---
> 
> Changes in v2:
> - Fix indentation of the DTS example. Suggested by Rob Herring.
> - Rename powerdown-gpios to pdn-gpios to match the pin name in
>   the datasheet. Suggested by Laurent Pinchart.
> - Add optional properties for the video endpoint and list the supported
>   values. Suggested by Laurent Pinchart.
> 
>  .../devicetree/bindings/media/i2c/tvp5150.txt      | 45 ++++++++++++++++++++++
>  1 file changed, 45 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/media/i2c/tvp5150.txt

Acked-by: Rob Herring <robh@kernel.org>
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diff mbox

Patch

diff --git a/Documentation/devicetree/bindings/media/i2c/tvp5150.txt b/Documentation/devicetree/bindings/media/i2c/tvp5150.txt
new file mode 100644
index 000000000000..8c0fc1a26bf0
--- /dev/null
+++ b/Documentation/devicetree/bindings/media/i2c/tvp5150.txt
@@ -0,0 +1,45 @@ 
+* Texas Instruments TVP5150 and TVP5151 video decoders
+
+The TVP5150 and TVP5151 are video decoders that convert baseband NTSC and PAL
+(and also SECAM in the TVP5151 case) video signals to either 8-bit 4:2:2 YUV
+with discrete syncs or 8-bit ITU-R BT.656 with embedded syncs output formats.
+
+Required Properties:
+- compatible: value must be "ti,tvp5150"
+- reg: I2C slave address
+
+Optional Properties:
+- pdn-gpios: phandle for the GPIO connected to the PDN pin, if any.
+- reset-gpios: phandle for the GPIO connected to the RESETB pin, if any.
+
+The device node must contain one 'port' child node for its digital output
+video port, in accordance with the video interface bindings defined in
+Documentation/devicetree/bindings/media/video-interfaces.txt.
+
+Required Endpoint Properties for parallel synchronization:
+
+- hsync-active: active state of the HSYNC signal. Must be <1> (HIGH).
+- vsync-active: active state of the VSYNC signal. Must be <1> (HIGH).
+- field-even-active: field signal level during the even field data
+  transmission. Must be <0>.
+
+If none of hsync-active, vsync-active and field-even-active is specified,
+the endpoint is assumed to use embedded BT.656 synchronization.
+
+Example:
+
+&i2c2 {
+	...
+	tvp5150@5c {
+		compatible = "ti,tvp5150";
+		reg = <0x5c>;
+		pdn-gpios = <&gpio4 30 GPIO_ACTIVE_LOW>;
+		reset-gpios = <&gpio6 7 GPIO_ACTIVE_LOW>;
+
+		port {
+			tvp5150_1: endpoint {
+				remote-endpoint = <&ccdc_ep>;
+			};
+		};
+	};
+};