linux-kernel - [PATCH v2 3/4] binding: Add device tree bindings for freescale AIC

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Date:	Mon, 8 Jul 2013 15:20:01 +0530
From:	<akhil.goyal@...escale.com>
To:	<gregkh@...uxfoundation.org>, <arnd@...db.de>, <lars@...afoo.de>,
	<robin.getz@...log.com>, <Michael.Hennerich@...log.com>,
	<lars-peter.clausen@...log.com>
CC:	<linux-kernel@...r.kernel.org>, <pankaj.chauhan@...escale.com>,
	Akhil Goyal <akhil.goyal@...escale.com>
Subject: [PATCH v2 3/4] binding: Add device tree bindings for freescale AIC

From: Akhil Goyal <akhil.goyal@...escale.com>

For platforms like BSC9131 and BSC9132, a Radio framework for supporting
various network modes comprise of an Antenna interface controller driver
and a phy driver.
A combination of AIC lane and phy is called a rf device which can be used
to operate on a particular network mode.

This patch explain various device tree properties required for AIC driver

Signed-off-by: Akhil Goyal <akhil.goyal@...escale.com>
---
 Documentation/devicetree/bindings/rf/fsl-aic.txt |   47 ++++++++++++++++++++++
 1 files changed, 47 insertions(+), 0 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/rf/fsl-aic.txt

diff --git a/Documentation/devicetree/bindings/rf/fsl-aic.txt b/Documentation/devicetree/bindings/rf/fsl-aic.txt
new file mode 100644
index 0000000..4f54a92
--- /dev/null
+++ b/Documentation/devicetree/bindings/rf/fsl-aic.txt
@@ -0,0 +1,47 @@
+Freescale Antenna Interface Controller
+
+AIC is the antenna interface controller found in bsc913x
+family of SOCs. It supports NCDMA, WCDMA-FDD, LTE-FDD, LTE-TDD
+and GSM-SNIFF network modes. AIC has multiple lanes on which RFICs
+can be connected. And AIC supports 4 RFICs working simultaneously.
+
+Required Properties:
+- #address-cells : should be 1
+- #size-cells : should be 1
+- compatible : should be fsl,bsc9131-aic or fsl,bsc9132-aic or both
+- reg : offset and length of common register set of AIC
+- interrupts : For AIC, first is capture complete interrupt
+		second is dsp general interrupt
+aic node can have multiple sub nodes of aiclanes for each lane.
+- aiclane : Required Properties
+	- reg : offset and length of common register set of AIC lane
+	- lane_id : it can be 0, 1, 2, 3, 4, 5
+	- interrupts : lane specific TTI interrupt line
+
+For Example:
+
+aic@...00 {
+	#address-cells = <1>;
+	#size-cells = <1>;
+	compatible = "fsl,bsc9131-aic", "fsl,bsc9132-aic";
+	reg = <0x50000 0x200>;
+	interrupts = <49 2 0 0 53 2 0 0>;
+	lane0: aiclane@200 {
+		reg = <0x200 0x200>;
+		lane_id = <0>;
+		interrupts = <45 2 0 0>;
+	};
+
+	lane1: aiclane@400 {
+		reg = <0x400 0x200>;
+		lane_id = <1>;
+		interrupts = <46 2 0 0>;
+	};
+
+	lane2: aiclane@600 {
+		reg = <0x600 0x200>;
+		lane_id = <2>;
+		interrupts = <47 2 0 0>;
+	};
+};
+
-- 
1.6.3.1



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