linux-kernel - [PATCH] dt-bindings: media: adv748x: Document secondary addresses

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Date:   Wed,  8 Aug 2018 18:31:28 +0100
From:   Kieran Bingham <kieran.bingham@...asonboard.com>
To:     mchehab@...nel.org, Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Hans Verkuil <hverkuil@...all.nl>
Cc:     Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        linux-media@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Kieran Bingham <kieran.bingham+renesas@...asonboard.com>,
        linux-renesas-soc@...r.kernel.org,
        Kieran Bingham <kieran.bingham@...asonboard.com>
Subject: [PATCH] dt-bindings: media: adv748x: Document secondary addresses

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

Signed-off-by: Kieran Bingham <kieran.bingham@...asonboard.com>
---
 .../devicetree/bindings/media/i2c/adv748x.txt          | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/media/i2c/adv748x.txt b/Documentation/devicetree/bindings/media/i2c/adv748x.txt
index 21ffb5ed8183..9515d8ad0e31 100644
--- a/Documentation/devicetree/bindings/media/i2c/adv748x.txt
+++ b/Documentation/devicetree/bindings/media/i2c/adv748x.txt
@@ -18,6 +18,11 @@ 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 can contain any map needed 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 +52,10 @@ 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>;
-- 
2.17.1