Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 0af04934 authored by Kieran Bingham's avatar Kieran Bingham Committed by Mauro Carvalho Chehab
Browse files

media: dt-bindings: media: adv748x: Document re-mappable addresses 



The ADV748x supports configurable slave addresses for its I2C pages.
Document the page names, and provide an example for setting each of the
pages explicitly.

Signed-off-by: default avatarKieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: default avatarRob Herring <robh@kernel.org>
Reviewed-by: default avatarLaurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: default avatarNiklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab+samsung@kernel.org>
parent e2050f7c

Documentation/devicetree/bindings/media/i2c/adv748x.txt

+14 −2
Original line number Diff line number Diff line
@@ -10,7 +10,11 @@ Required Properties: 
    - "adi,adv7481" for the ADV7481

    - "adi,adv7482" for the ADV7482



  - reg: I2C slave address

  - reg: I2C slave addresses

    The ADV748x has up to twelve 256-byte maps that can be accessed via the

    main I2C ports. Each map has it own I2C address and acts as a standard

    slave device on the I2C bus. The main address is mandatory, others are

    optional and remain at default values if not specified.



Optional Properties:
@@ -18,6 +22,11 @@ Optional Properties: 
		     "intrq3". All interrupts are optional. The "intrq3" interrupt

		     is only available on the adv7481

  - interrupts: Specify the interrupt lines for the ADV748x

  - reg-names : Names of maps with programmable addresses.

		It shall contain all maps needing a non-default address.

		Possible map names are:

		  "main", "dpll", "cp", "hdmi", "edid", "repeater",

		  "infoframe", "cbus", "cec", "sdp", "txa", "txb"



The device node must contain one 'port' child node per device input and output

port, in accordance with the video interface bindings defined in
@@ -47,7 +56,10 @@ Example: 


	video-receiver@70 {

		compatible = "adi,adv7482";

		reg = <0x70>;

		reg = <0x70 0x71 0x72 0x73 0x74 0x75

		       0x60 0x61 0x62 0x63 0x64 0x65>;

		reg-names = "main", "dpll", "cp", "hdmi", "edid", "repeater",

			    "infoframe", "cbus", "cec", "sdp", "txa", "txb";



		#address-cells = <1>;

		#size-cells = <0>;