linux-kernel - [PATCH 2/2] Documentation: add docs for 88pm80x dt

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Message-Id: <1354686120-26169-1-git-send-email-qingx@marvell.com>
Date:	Wed,  5 Dec 2012 13:42:00 +0800
From:	Qing Xu <qingx@...vell.com>
To:	qingx@...vell.com, rob@...dley.net, sameo@...ux.intel.com,
	haojian.zhuang@...il.com, grant.likely@...retlab.ca,
	rob.herring@...xeda.com, zhouqiao@...vell.com, cxie4@...vell.com,
	linux-kernel@...r.kernel.org
Subject: [PATCH 2/2] Documentation: add docs for 88pm80x dt

From: Qing Xu <qingx@...vell.com>

Signed-off-by: Qing Xu <qingx@...vell.com>
---
 Documentation/devicetree/bindings/mfd/88pm80x.txt |   52 +++++++++++++++++++++
 1 files changed, 52 insertions(+), 0 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/mfd/88pm80x.txt

diff --git a/Documentation/devicetree/bindings/mfd/88pm80x.txt b/Documentation/devicetree/bindings/mfd/88pm80x.txt
new file mode 100644
index 0000000..8a0ed07
--- /dev/null
+++ b/Documentation/devicetree/bindings/mfd/88pm80x.txt
@@ -0,0 +1,52 @@
+* Marvell 88pm80x Power Management IC
+
+Required parent device properties:
+- compatible : "marvell,88pm80x"
+- reg : the I2C slave address for the 88pm80x chip
+- interrupts : IRQ line for the 88pm80x chip
+- interrupt-controller: describes the 88pm80x as an interrupt controller (has its own domain)
+- #interrupt-cells : should be 1.
+	- The cell is the 88pm80x local IRQ number
+
+Optional parent device properties:
+- marvell,88pm80x-irqmode: inicates whether interrupt status is cleared by read
+- marvell,88pm80x-poweraddr: 88pm80x are multi-chips solution. <reg> stores the I2C address
+				of one chip, and this property stores the I2C address of
+				power related chip.
+- marvell,88pm80x-gpadcaddr: 88pm80x are multi-chips solution. <reg> stores the I2C address
+				of one chip, and this property stores the I2C address of
+				gpadc related chip.
+
+88pm80x consists of various groups of sub-devices:
+
+Device			 Supply Names	 Description
+------			 ------------	 -----------
+88pm80x-onkey		:		: On key
+88pm80x-rtc		:		: RTC
+
+Example:
+	pmic: 88pm800@30 {
+		compatible = "marvell,88pm80x";
+		reg = <0x30>;
+		interrupts = <4>;
+		interrupt-parent = <&intc>;
+		interrupt-controller;
+		#interrupt-cells = <1>;
+
+		marvell,88pm80x-irqmode = 0;
+		marvell,88pm80x-poweraddr = <0x31>;
+		marvell,88pm80x-gpadcaddr = <0x32>;
+	};
+
+
+	pmic: 88pm805@38 {
+		compatible = "marvell,88pm80x";
+		reg = <0x38>;
+		interrupts = <124>;
+		interrupt-parent = <&gpio>;
+		interrupt-controller;
+		#interrupt-cells = <1>;
+
+		marvell,88pm80x-irqmode = 0;
+	};
+
-- 
1.7.0.4

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